/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=BIGGEST -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_25-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 12:55:34,700 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 12:55:34,703 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 12:55:34,730 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-18 12:55:34,730 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-18 12:55:34,731 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-18 12:55:34,733 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-18 12:55:34,735 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-18 12:55:34,737 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-18 12:55:34,738 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-18 12:55:34,739 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-18 12:55:34,740 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-18 12:55:34,741 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 12:55:34,742 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 12:55:34,743 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 12:55:34,744 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 12:55:34,745 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 12:55:34,746 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 12:55:34,747 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 12:55:34,749 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 12:55:34,751 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 12:55:34,752 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 12:55:34,753 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 12:55:34,754 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 12:55:34,756 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-18 12:55:34,757 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-18 12:55:34,757 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-18 12:55:34,758 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-18 12:55:34,758 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-18 12:55:34,759 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2020-08-18 12:55:34,764 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 12:55:34,765 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 12:55:34,766 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 12:55:34,767 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 12:55:34,806 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 12:55:34,806 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 12:55:34,811 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 12:55:34,811 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 12:55:34,812 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 12:55:34,812 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 12:55:34,812 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 12:55:34,812 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 12:55:34,812 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 12:55:34,816 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 12:55:34,816 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 12:55:34,816 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 12:55:34,817 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 12:55:34,817 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 12:55:34,817 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 12:55:34,817 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 12:55:34,818 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 12:55:34,818 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 12:55:34,818 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 12:55:34,818 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 12:55:34,818 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 12:55:34,819 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 12:55:34,820 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 12:55:34,821 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 12:55:34,821 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 12:55:34,821 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 12:55:34,821 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 12:55:34,821 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 12:55:34,822 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 12:55:34,822 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=BIGGEST; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=BIGGEST; [2020-08-18 12:55:35,199 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 12:55:35,221 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 12:55:35,227 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 12:55:35,229 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 12:55:35,230 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 12:55:35,231 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_25-1.c [2020-08-18 12:55:35,315 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3a70fe2c4/d6f6118fd9b740b5b7c1d84dbf3713e2/FLAG687487522 [2020-08-18 12:55:35,810 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 12:55:35,812 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive-simple/fibo_2calls_25-1.c [2020-08-18 12:55:35,823 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3a70fe2c4/d6f6118fd9b740b5b7c1d84dbf3713e2/FLAG687487522 [2020-08-18 12:55:36,132 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3a70fe2c4/d6f6118fd9b740b5b7c1d84dbf3713e2 [2020-08-18 12:55:36,141 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 12:55:36,143 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 12:55:36,144 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 12:55:36,145 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 12:55:36,149 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 12:55:36,150 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 12:55:36" (1/1) ... [2020-08-18 12:55:36,153 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bb2c9e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:55:36, skipping insertion in model container [2020-08-18 12:55:36,154 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 12:55:36" (1/1) ... [2020-08-18 12:55:36,163 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 12:55:36,187 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 12:55:36,451 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 12:55:36,456 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 12:55:36,476 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 12:55:36,493 INFO L208 MainTranslator]: Completed translation [2020-08-18 12:55:36,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:55:36 WrapperNode [2020-08-18 12:55:36,494 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 12:55:36,495 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 12:55:36,495 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 12:55:36,495 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 12:55:36,512 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:55:36" (1/1) ... [2020-08-18 12:55:36,512 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:55:36" (1/1) ... [2020-08-18 12:55:36,519 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:55:36" (1/1) ... [2020-08-18 12:55:36,519 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:55:36" (1/1) ... [2020-08-18 12:55:36,617 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:55:36" (1/1) ... [2020-08-18 12:55:36,620 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:55:36" (1/1) ... [2020-08-18 12:55:36,622 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:55:36" (1/1) ... [2020-08-18 12:55:36,624 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 12:55:36,624 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 12:55:36,625 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 12:55:36,625 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 12:55:36,626 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:55:36" (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 12:55:36,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 12:55:36,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 12:55:36,697 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2020-08-18 12:55:36,697 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2020-08-18 12:55:36,697 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 12:55:36,697 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 12:55:36,698 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 12:55:36,698 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2020-08-18 12:55:36,698 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2020-08-18 12:55:36,698 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 12:55:36,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 12:55:36,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 12:55:36,893 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 12:55:36,893 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-08-18 12:55:36,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 12:55:36 BoogieIcfgContainer [2020-08-18 12:55:36,904 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 12:55:36,905 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 12:55:36,905 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 12:55:36,912 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 12:55:36,912 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 12:55:36" (1/3) ... [2020-08-18 12:55:36,913 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54a6269d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 12:55:36, skipping insertion in model container [2020-08-18 12:55:36,913 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:55:36" (2/3) ... [2020-08-18 12:55:36,916 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54a6269d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 12:55:36, skipping insertion in model container [2020-08-18 12:55:36,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 12:55:36" (3/3) ... [2020-08-18 12:55:36,918 INFO L109 eAbstractionObserver]: Analyzing ICFG fibo_2calls_25-1.c [2020-08-18 12:55:36,947 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 12:55:36,960 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 12:55:37,013 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 12:55:37,057 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 12:55:37,058 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 12:55:37,058 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 12:55:37,058 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 12:55:37,058 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 12:55:37,059 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 12:55:37,059 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 12:55:37,059 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 12:55:37,086 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2020-08-18 12:55:37,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-08-18 12:55:37,092 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 12:55:37,094 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 12:55:37,094 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 12:55:37,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 12:55:37,101 INFO L82 PathProgramCache]: Analyzing trace with hash 1464461757, now seen corresponding path program 1 times [2020-08-18 12:55:37,108 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 12:55:37,108 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1819514140] [2020-08-18 12:55:37,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 12:55:37,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:37,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 12:55:37,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:37,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 12:55:37,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:37,310 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 12:55:37,311 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1819514140] [2020-08-18 12:55:37,314 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 12:55:37,315 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-18 12:55:37,316 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84258372] [2020-08-18 12:55:37,321 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-18 12:55:37,321 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 12:55:37,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-18 12:55:37,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-08-18 12:55:37,336 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 5 states. [2020-08-18 12:55:37,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 12:55:37,457 INFO L93 Difference]: Finished difference Result 44 states and 53 transitions. [2020-08-18 12:55:37,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 12:55:37,459 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-08-18 12:55:37,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 12:55:37,469 INFO L225 Difference]: With dead ends: 44 [2020-08-18 12:55:37,470 INFO L226 Difference]: Without dead ends: 30 [2020-08-18 12:55:37,473 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 12:55:37,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-08-18 12:55:37,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-08-18 12:55:37,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-08-18 12:55:37,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2020-08-18 12:55:37,522 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 13 [2020-08-18 12:55:37,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 12:55:37,523 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2020-08-18 12:55:37,523 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-18 12:55:37,523 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-08-18 12:55:37,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-08-18 12:55:37,525 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 12:55:37,526 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 12:55:37,526 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 12:55:37,526 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 12:55:37,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 12:55:37,527 INFO L82 PathProgramCache]: Analyzing trace with hash -1134800479, now seen corresponding path program 1 times [2020-08-18 12:55:37,527 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 12:55:37,527 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1994338452] [2020-08-18 12:55:37,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 12:55:37,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:37,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 12:55:37,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:37,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 12:55:37,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:37,604 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 12:55:37,605 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1994338452] [2020-08-18 12:55:37,605 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 12:55:37,606 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-18 12:55:37,606 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378190740] [2020-08-18 12:55:37,609 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-18 12:55:37,609 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 12:55:37,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-18 12:55:37,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-08-18 12:55:37,610 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand 5 states. [2020-08-18 12:55:37,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 12:55:37,683 INFO L93 Difference]: Finished difference Result 36 states and 44 transitions. [2020-08-18 12:55:37,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 12:55:37,684 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-08-18 12:55:37,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 12:55:37,686 INFO L225 Difference]: With dead ends: 36 [2020-08-18 12:55:37,686 INFO L226 Difference]: Without dead ends: 32 [2020-08-18 12:55:37,687 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 12:55:37,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-08-18 12:55:37,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 30. [2020-08-18 12:55:37,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-08-18 12:55:37,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2020-08-18 12:55:37,698 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 14 [2020-08-18 12:55:37,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 12:55:37,699 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2020-08-18 12:55:37,699 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-18 12:55:37,699 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-08-18 12:55:37,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-08-18 12:55:37,701 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 12:55:37,701 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 12:55:37,701 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 12:55:37,702 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 12:55:37,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 12:55:37,702 INFO L82 PathProgramCache]: Analyzing trace with hash -1592795560, now seen corresponding path program 1 times [2020-08-18 12:55:37,702 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 12:55:37,703 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1678384875] [2020-08-18 12:55:37,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 12:55:37,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:37,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 12:55:37,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:37,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 12:55:37,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:37,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:37,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:37,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 12:55:37,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:37,833 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 12:55:37,834 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1678384875] [2020-08-18 12:55:37,834 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 12:55:37,835 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-18 12:55:37,835 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579009295] [2020-08-18 12:55:37,836 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-18 12:55:37,836 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 12:55:37,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-18 12:55:37,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-08-18 12:55:37,837 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand 7 states. [2020-08-18 12:55:37,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 12:55:37,931 INFO L93 Difference]: Finished difference Result 58 states and 78 transitions. [2020-08-18 12:55:37,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-18 12:55:37,932 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2020-08-18 12:55:37,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 12:55:37,934 INFO L225 Difference]: With dead ends: 58 [2020-08-18 12:55:37,934 INFO L226 Difference]: Without dead ends: 34 [2020-08-18 12:55:37,936 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 12:55:37,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-08-18 12:55:37,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 32. [2020-08-18 12:55:37,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-08-18 12:55:37,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2020-08-18 12:55:37,946 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 39 transitions. Word has length 26 [2020-08-18 12:55:37,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 12:55:37,946 INFO L479 AbstractCegarLoop]: Abstraction has 32 states and 39 transitions. [2020-08-18 12:55:37,947 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-18 12:55:37,947 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2020-08-18 12:55:37,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-08-18 12:55:37,949 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 12:55:37,949 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 12:55:37,949 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 12:55:37,949 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 12:55:37,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 12:55:37,950 INFO L82 PathProgramCache]: Analyzing trace with hash 746633022, now seen corresponding path program 1 times [2020-08-18 12:55:37,951 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 12:55:37,951 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1551258176] [2020-08-18 12:55:37,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 12:55:37,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:37,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 12:55:37,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:37,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 12:55:38,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:38,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:38,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:38,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:38,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:38,154 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 12:55:38,155 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1551258176] [2020-08-18 12:55:38,155 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 12:55:38,156 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-18 12:55:38,156 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28911158] [2020-08-18 12:55:38,158 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-18 12:55:38,159 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 12:55:38,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-18 12:55:38,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-08-18 12:55:38,161 INFO L87 Difference]: Start difference. First operand 32 states and 39 transitions. Second operand 7 states. [2020-08-18 12:55:38,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 12:55:38,346 INFO L93 Difference]: Finished difference Result 54 states and 74 transitions. [2020-08-18 12:55:38,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-18 12:55:38,347 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 27 [2020-08-18 12:55:38,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 12:55:38,350 INFO L225 Difference]: With dead ends: 54 [2020-08-18 12:55:38,350 INFO L226 Difference]: Without dead ends: 50 [2020-08-18 12:55:38,351 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 12:55:38,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2020-08-18 12:55:38,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 48. [2020-08-18 12:55:38,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-08-18 12:55:38,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 65 transitions. [2020-08-18 12:55:38,365 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 65 transitions. Word has length 27 [2020-08-18 12:55:38,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 12:55:38,366 INFO L479 AbstractCegarLoop]: Abstraction has 48 states and 65 transitions. [2020-08-18 12:55:38,366 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-18 12:55:38,366 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 65 transitions. [2020-08-18 12:55:38,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-08-18 12:55:38,368 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 12:55:38,368 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 12:55:38,369 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 12:55:38,369 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 12:55:38,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 12:55:38,369 INFO L82 PathProgramCache]: Analyzing trace with hash 986908919, now seen corresponding path program 1 times [2020-08-18 12:55:38,370 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 12:55:38,370 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [337044020] [2020-08-18 12:55:38,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 12:55:38,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:38,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 12:55:38,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:38,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 12:55:38,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:38,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:38,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:38,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:38,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:38,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 12:55:38,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:38,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 12:55:38,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:38,533 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 12:55:38,534 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [337044020] [2020-08-18 12:55:38,534 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 12:55:38,534 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-08-18 12:55:38,535 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223111849] [2020-08-18 12:55:38,535 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-18 12:55:38,536 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 12:55:38,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-18 12:55:38,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-08-18 12:55:38,536 INFO L87 Difference]: Start difference. First operand 48 states and 65 transitions. Second operand 6 states. [2020-08-18 12:55:38,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 12:55:38,616 INFO L93 Difference]: Finished difference Result 94 states and 142 transitions. [2020-08-18 12:55:38,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-08-18 12:55:38,617 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 39 [2020-08-18 12:55:38,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 12:55:38,619 INFO L225 Difference]: With dead ends: 94 [2020-08-18 12:55:38,619 INFO L226 Difference]: Without dead ends: 52 [2020-08-18 12:55:38,621 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 12:55:38,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2020-08-18 12:55:38,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2020-08-18 12:55:38,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-08-18 12:55:38,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 71 transitions. [2020-08-18 12:55:38,634 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 71 transitions. Word has length 39 [2020-08-18 12:55:38,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 12:55:38,634 INFO L479 AbstractCegarLoop]: Abstraction has 52 states and 71 transitions. [2020-08-18 12:55:38,635 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-18 12:55:38,635 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 71 transitions. [2020-08-18 12:55:38,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-08-18 12:55:38,637 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 12:55:38,638 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 12:55:38,638 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 12:55:38,638 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 12:55:38,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 12:55:38,639 INFO L82 PathProgramCache]: Analyzing trace with hash -2100495745, now seen corresponding path program 1 times [2020-08-18 12:55:38,639 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 12:55:38,639 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1102741414] [2020-08-18 12:55:38,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 12:55:38,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:38,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 12:55:38,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:38,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 12:55:38,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:38,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:38,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:38,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:38,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:38,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:38,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:38,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:55:38,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:38,770 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 12:55:38,771 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1102741414] [2020-08-18 12:55:38,771 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 12:55:38,771 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-18 12:55:38,771 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130045567] [2020-08-18 12:55:38,772 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 12:55:38,772 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 12:55:38,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 12:55:38,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-18 12:55:38,773 INFO L87 Difference]: Start difference. First operand 52 states and 71 transitions. Second operand 8 states. [2020-08-18 12:55:38,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 12:55:38,933 INFO L93 Difference]: Finished difference Result 103 states and 158 transitions. [2020-08-18 12:55:38,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-18 12:55:38,934 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 40 [2020-08-18 12:55:38,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 12:55:38,942 INFO L225 Difference]: With dead ends: 103 [2020-08-18 12:55:38,942 INFO L226 Difference]: Without dead ends: 57 [2020-08-18 12:55:38,946 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 12:55:38,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-08-18 12:55:38,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 54. [2020-08-18 12:55:38,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-08-18 12:55:38,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 74 transitions. [2020-08-18 12:55:38,976 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 74 transitions. Word has length 40 [2020-08-18 12:55:38,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 12:55:38,976 INFO L479 AbstractCegarLoop]: Abstraction has 54 states and 74 transitions. [2020-08-18 12:55:38,977 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 12:55:38,977 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 74 transitions. [2020-08-18 12:55:38,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-08-18 12:55:38,984 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 12:55:38,984 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 12:55:38,985 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-18 12:55:38,985 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 12:55:38,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 12:55:38,986 INFO L82 PathProgramCache]: Analyzing trace with hash 208191613, now seen corresponding path program 1 times [2020-08-18 12:55:38,989 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 12:55:38,990 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2130389420] [2020-08-18 12:55:38,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 12:55:39,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:39,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 12:55:39,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:39,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 12:55:39,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:39,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:39,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:39,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:39,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:39,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:39,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:39,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:55:39,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:39,130 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 12:55:39,131 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2130389420] [2020-08-18 12:55:39,132 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 12:55:39,132 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-18 12:55:39,132 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021984803] [2020-08-18 12:55:39,133 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 12:55:39,133 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 12:55:39,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 12:55:39,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-18 12:55:39,134 INFO L87 Difference]: Start difference. First operand 54 states and 74 transitions. Second operand 8 states. [2020-08-18 12:55:39,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 12:55:39,332 INFO L93 Difference]: Finished difference Result 86 states and 126 transitions. [2020-08-18 12:55:39,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-18 12:55:39,333 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 41 [2020-08-18 12:55:39,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 12:55:39,336 INFO L225 Difference]: With dead ends: 86 [2020-08-18 12:55:39,336 INFO L226 Difference]: Without dead ends: 82 [2020-08-18 12:55:39,337 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 12:55:39,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2020-08-18 12:55:39,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 79. [2020-08-18 12:55:39,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2020-08-18 12:55:39,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 118 transitions. [2020-08-18 12:55:39,355 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 118 transitions. Word has length 41 [2020-08-18 12:55:39,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 12:55:39,356 INFO L479 AbstractCegarLoop]: Abstraction has 79 states and 118 transitions. [2020-08-18 12:55:39,357 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 12:55:39,357 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 118 transitions. [2020-08-18 12:55:39,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-08-18 12:55:39,360 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 12:55:39,370 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 12:55:39,370 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-18 12:55:39,371 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 12:55:39,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 12:55:39,371 INFO L82 PathProgramCache]: Analyzing trace with hash -405677468, now seen corresponding path program 1 times [2020-08-18 12:55:39,371 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 12:55:39,372 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [672419719] [2020-08-18 12:55:39,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 12:55:39,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:39,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 12:55:39,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:39,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 12:55:39,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:39,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:39,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:39,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:39,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:39,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:39,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:39,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:39,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:39,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:55:39,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:39,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-18 12:55:39,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:39,543 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 12:55:39,543 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [672419719] [2020-08-18 12:55:39,544 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 12:55:39,544 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-18 12:55:39,544 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155570325] [2020-08-18 12:55:39,545 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 12:55:39,545 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 12:55:39,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 12:55:39,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-18 12:55:39,546 INFO L87 Difference]: Start difference. First operand 79 states and 118 transitions. Second operand 8 states. [2020-08-18 12:55:39,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 12:55:39,666 INFO L93 Difference]: Finished difference Result 167 states and 288 transitions. [2020-08-18 12:55:39,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-18 12:55:39,667 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 54 [2020-08-18 12:55:39,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 12:55:39,669 INFO L225 Difference]: With dead ends: 167 [2020-08-18 12:55:39,669 INFO L226 Difference]: Without dead ends: 94 [2020-08-18 12:55:39,670 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 12:55:39,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2020-08-18 12:55:39,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 88. [2020-08-18 12:55:39,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2020-08-18 12:55:39,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 134 transitions. [2020-08-18 12:55:39,687 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 134 transitions. Word has length 54 [2020-08-18 12:55:39,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 12:55:39,688 INFO L479 AbstractCegarLoop]: Abstraction has 88 states and 134 transitions. [2020-08-18 12:55:39,688 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 12:55:39,688 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 134 transitions. [2020-08-18 12:55:39,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-08-18 12:55:39,691 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 12:55:39,691 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 12:55:39,691 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-18 12:55:39,691 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 12:55:39,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 12:55:39,692 INFO L82 PathProgramCache]: Analyzing trace with hash -242988780, now seen corresponding path program 1 times [2020-08-18 12:55:39,692 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 12:55:39,692 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [76946154] [2020-08-18 12:55:39,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 12:55:39,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:39,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 12:55:39,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:39,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 12:55:39,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:39,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:39,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:39,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:39,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:39,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:39,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:39,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:39,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:39,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:55:39,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:39,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:55:39,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:39,845 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 12:55:39,846 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [76946154] [2020-08-18 12:55:39,846 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 12:55:39,846 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-18 12:55:39,847 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231686632] [2020-08-18 12:55:39,847 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-18 12:55:39,848 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 12:55:39,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-18 12:55:39,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-08-18 12:55:39,848 INFO L87 Difference]: Start difference. First operand 88 states and 134 transitions. Second operand 10 states. [2020-08-18 12:55:40,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 12:55:40,109 INFO L93 Difference]: Finished difference Result 188 states and 331 transitions. [2020-08-18 12:55:40,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-18 12:55:40,110 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 55 [2020-08-18 12:55:40,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 12:55:40,113 INFO L225 Difference]: With dead ends: 188 [2020-08-18 12:55:40,114 INFO L226 Difference]: Without dead ends: 109 [2020-08-18 12:55:40,115 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 12:55:40,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-08-18 12:55:40,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 100. [2020-08-18 12:55:40,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-08-18 12:55:40,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 158 transitions. [2020-08-18 12:55:40,153 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 158 transitions. Word has length 55 [2020-08-18 12:55:40,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 12:55:40,154 INFO L479 AbstractCegarLoop]: Abstraction has 100 states and 158 transitions. [2020-08-18 12:55:40,154 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-18 12:55:40,154 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 158 transitions. [2020-08-18 12:55:40,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-08-18 12:55:40,158 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 12:55:40,159 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 12:55:40,159 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-18 12:55:40,159 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 12:55:40,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 12:55:40,159 INFO L82 PathProgramCache]: Analyzing trace with hash -908952008, now seen corresponding path program 2 times [2020-08-18 12:55:40,160 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 12:55:40,160 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1601120105] [2020-08-18 12:55:40,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 12:55:40,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:40,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 12:55:40,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:40,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 12:55:40,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:40,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:40,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:40,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:40,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:40,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:40,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:40,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:40,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:40,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:55:40,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:40,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:55:40,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:40,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:40,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:40,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:40,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:40,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:40,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:40,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:55:40,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:40,492 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 12:55:40,493 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1601120105] [2020-08-18 12:55:40,493 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 12:55:40,493 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-08-18 12:55:40,494 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494071117] [2020-08-18 12:55:40,495 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-18 12:55:40,495 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 12:55:40,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-18 12:55:40,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-08-18 12:55:40,496 INFO L87 Difference]: Start difference. First operand 100 states and 158 transitions. Second operand 12 states. [2020-08-18 12:55:40,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 12:55:40,886 INFO L93 Difference]: Finished difference Result 199 states and 354 transitions. [2020-08-18 12:55:40,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-08-18 12:55:40,887 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 82 [2020-08-18 12:55:40,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 12:55:40,889 INFO L225 Difference]: With dead ends: 199 [2020-08-18 12:55:40,889 INFO L226 Difference]: Without dead ends: 86 [2020-08-18 12:55:40,891 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 12:55:40,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2020-08-18 12:55:40,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 71. [2020-08-18 12:55:40,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-08-18 12:55:40,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 93 transitions. [2020-08-18 12:55:40,900 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 93 transitions. Word has length 82 [2020-08-18 12:55:40,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 12:55:40,901 INFO L479 AbstractCegarLoop]: Abstraction has 71 states and 93 transitions. [2020-08-18 12:55:40,901 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-18 12:55:40,901 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 93 transitions. [2020-08-18 12:55:40,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-08-18 12:55:40,902 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 12:55:40,903 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 12:55:40,903 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-18 12:55:40,903 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 12:55:40,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 12:55:40,904 INFO L82 PathProgramCache]: Analyzing trace with hash -2119203654, now seen corresponding path program 2 times [2020-08-18 12:55:40,904 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 12:55:40,904 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [775151238] [2020-08-18 12:55:40,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 12:55:40,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:40,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 12:55:40,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:40,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 12:55:40,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:40,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:40,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:40,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:41,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:41,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:41,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:41,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:41,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:41,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:41,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:41,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:55:41,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:41,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:55:41,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:41,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-08-18 12:55:41,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:41,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:41,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:41,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:41,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:41,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:41,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:41,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:41,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:41,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:55:41,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:41,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:55:41,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:41,148 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 12:55:41,149 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [775151238] [2020-08-18 12:55:41,149 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 12:55:41,149 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-18 12:55:41,150 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22125053] [2020-08-18 12:55:41,150 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-18 12:55:41,150 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 12:55:41,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-18 12:55:41,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-08-18 12:55:41,151 INFO L87 Difference]: Start difference. First operand 71 states and 93 transitions. Second operand 10 states. [2020-08-18 12:55:41,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 12:55:41,340 INFO L93 Difference]: Finished difference Result 142 states and 204 transitions. [2020-08-18 12:55:41,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-18 12:55:41,341 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 110 [2020-08-18 12:55:41,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 12:55:41,343 INFO L225 Difference]: With dead ends: 142 [2020-08-18 12:55:41,343 INFO L226 Difference]: Without dead ends: 78 [2020-08-18 12:55:41,344 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 12:55:41,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-08-18 12:55:41,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2020-08-18 12:55:41,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-08-18 12:55:41,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 100 transitions. [2020-08-18 12:55:41,352 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 100 transitions. Word has length 110 [2020-08-18 12:55:41,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 12:55:41,352 INFO L479 AbstractCegarLoop]: Abstraction has 78 states and 100 transitions. [2020-08-18 12:55:41,352 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-18 12:55:41,353 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 100 transitions. [2020-08-18 12:55:41,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-08-18 12:55:41,355 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 12:55:41,355 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 12:55:41,355 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-08-18 12:55:41,356 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 12:55:41,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 12:55:41,356 INFO L82 PathProgramCache]: Analyzing trace with hash -1263382818, now seen corresponding path program 3 times [2020-08-18 12:55:41,356 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 12:55:41,357 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [967455916] [2020-08-18 12:55:41,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 12:55:41,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:41,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 12:55:41,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:41,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 12:55:41,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:41,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:41,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:41,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:41,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:41,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:41,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:41,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:41,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:41,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:41,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:41,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:55:41,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:41,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:55:41,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:41,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:41,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:41,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:41,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:41,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:41,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:41,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-08-18 12:55:41,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:41,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:41,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:41,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:41,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:41,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-08-18 12:55:41,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:41,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:41,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:41,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:41,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:41,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:41,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:41,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:41,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:41,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:55:41,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:41,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:55:41,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:41,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:41,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:41,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:41,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:41,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:41,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:41,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-08-18 12:55:41,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:41,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:41,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:41,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:41,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:41,982 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 12:55:41,982 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [967455916] [2020-08-18 12:55:41,983 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 12:55:41,983 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-08-18 12:55:41,983 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715558875] [2020-08-18 12:55:41,984 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-08-18 12:55:41,985 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 12:55:41,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-08-18 12:55:41,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2020-08-18 12:55:41,986 INFO L87 Difference]: Start difference. First operand 78 states and 100 transitions. Second operand 15 states. [2020-08-18 12:55:42,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 12:55:42,633 INFO L93 Difference]: Finished difference Result 184 states and 282 transitions. [2020-08-18 12:55:42,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-08-18 12:55:42,634 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 192 [2020-08-18 12:55:42,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 12:55:42,636 INFO L225 Difference]: With dead ends: 184 [2020-08-18 12:55:42,637 INFO L226 Difference]: Without dead ends: 111 [2020-08-18 12:55:42,639 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 12:55:42,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-08-18 12:55:42,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 99. [2020-08-18 12:55:42,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-08-18 12:55:42,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 133 transitions. [2020-08-18 12:55:42,649 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 133 transitions. Word has length 192 [2020-08-18 12:55:42,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 12:55:42,649 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 133 transitions. [2020-08-18 12:55:42,649 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-08-18 12:55:42,650 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 133 transitions. [2020-08-18 12:55:42,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-08-18 12:55:42,651 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 12:55:42,652 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 12:55:42,652 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-08-18 12:55:42,652 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 12:55:42,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 12:55:42,653 INFO L82 PathProgramCache]: Analyzing trace with hash -2102107778, now seen corresponding path program 1 times [2020-08-18 12:55:42,653 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 12:55:42,653 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1462269704] [2020-08-18 12:55:42,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 12:55:42,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:42,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 12:55:42,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:42,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 12:55:42,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:42,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:42,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:42,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:42,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:42,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:42,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:42,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:42,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:42,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:42,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:42,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:42,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:42,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:55:42,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:42,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:55:42,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:42,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:42,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:42,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:42,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:42,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 12:55:42,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:42,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:42,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:42,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:42,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:42,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-08-18 12:55:42,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:42,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:42,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:42,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:42,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:42,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:42,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:42,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:55:42,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:42,924 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 12:55:42,925 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1462269704] [2020-08-18 12:55:42,925 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 12:55:42,926 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-18 12:55:42,926 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283414914] [2020-08-18 12:55:42,927 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-18 12:55:42,927 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 12:55:42,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-18 12:55:42,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-08-18 12:55:42,928 INFO L87 Difference]: Start difference. First operand 99 states and 133 transitions. Second operand 11 states. [2020-08-18 12:55:43,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 12:55:43,286 INFO L93 Difference]: Finished difference Result 188 states and 266 transitions. [2020-08-18 12:55:43,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-08-18 12:55:43,287 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 136 [2020-08-18 12:55:43,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 12:55:43,289 INFO L225 Difference]: With dead ends: 188 [2020-08-18 12:55:43,289 INFO L226 Difference]: Without dead ends: 101 [2020-08-18 12:55:43,291 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 12:55:43,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-08-18 12:55:43,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 98. [2020-08-18 12:55:43,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2020-08-18 12:55:43,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 130 transitions. [2020-08-18 12:55:43,302 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 130 transitions. Word has length 136 [2020-08-18 12:55:43,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 12:55:43,302 INFO L479 AbstractCegarLoop]: Abstraction has 98 states and 130 transitions. [2020-08-18 12:55:43,302 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-18 12:55:43,303 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 130 transitions. [2020-08-18 12:55:43,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-08-18 12:55:43,307 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 12:55:43,307 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 12:55:43,307 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-08-18 12:55:43,308 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 12:55:43,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 12:55:43,308 INFO L82 PathProgramCache]: Analyzing trace with hash 677703633, now seen corresponding path program 2 times [2020-08-18 12:55:43,309 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 12:55:43,309 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1788791518] [2020-08-18 12:55:43,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 12:55:43,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:43,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 12:55:43,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:43,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 12:55:43,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:43,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:43,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:43,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:43,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:43,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:43,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:43,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:43,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:43,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:43,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:43,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:43,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:43,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:55:43,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:43,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:55:43,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:43,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:43,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:43,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:43,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:43,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 12:55:43,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:43,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:43,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:43,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:43,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:43,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:43,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:43,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:43,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:43,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:55:43,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:43,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:55:43,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:43,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:43,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:43,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:43,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:43,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-08-18 12:55:43,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:43,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:43,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:43,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:43,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:43,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:43,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:43,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:55:43,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:43,814 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 12:55:43,815 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1788791518] [2020-08-18 12:55:43,816 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 12:55:43,816 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-08-18 12:55:43,817 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027470189] [2020-08-18 12:55:43,817 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-18 12:55:43,817 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 12:55:43,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-18 12:55:43,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-08-18 12:55:43,818 INFO L87 Difference]: Start difference. First operand 98 states and 130 transitions. Second operand 14 states. [2020-08-18 12:55:44,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 12:55:44,389 INFO L93 Difference]: Finished difference Result 224 states and 343 transitions. [2020-08-18 12:55:44,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-08-18 12:55:44,390 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 177 [2020-08-18 12:55:44,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 12:55:44,392 INFO L225 Difference]: With dead ends: 224 [2020-08-18 12:55:44,392 INFO L226 Difference]: Without dead ends: 131 [2020-08-18 12:55:44,395 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=131, Invalid=625, Unknown=0, NotChecked=0, Total=756 [2020-08-18 12:55:44,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-08-18 12:55:44,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 114. [2020-08-18 12:55:44,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-08-18 12:55:44,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 154 transitions. [2020-08-18 12:55:44,406 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 154 transitions. Word has length 177 [2020-08-18 12:55:44,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 12:55:44,407 INFO L479 AbstractCegarLoop]: Abstraction has 114 states and 154 transitions. [2020-08-18 12:55:44,407 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-18 12:55:44,407 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 154 transitions. [2020-08-18 12:55:44,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-08-18 12:55:44,409 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 12:55:44,409 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 12:55:44,410 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-08-18 12:55:44,410 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 12:55:44,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 12:55:44,410 INFO L82 PathProgramCache]: Analyzing trace with hash 307857833, now seen corresponding path program 3 times [2020-08-18 12:55:44,411 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 12:55:44,411 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [938789237] [2020-08-18 12:55:44,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 12:55:44,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:44,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 12:55:44,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:44,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 12:55:44,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:44,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:44,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:44,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:44,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:44,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:44,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:44,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:44,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:44,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:44,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:44,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:44,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:44,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:55:44,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:44,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:55:44,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:44,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:44,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:44,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:44,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:44,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 12:55:44,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:44,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:44,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:44,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:44,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:44,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:44,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:44,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:55:44,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:44,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 12:55:44,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:44,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:44,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:44,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:44,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:44,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:44,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:44,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:44,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:44,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:55:44,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:44,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:55:44,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:44,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:44,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:44,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:44,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:44,851 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 12:55:44,851 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [938789237] [2020-08-18 12:55:44,851 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 12:55:44,852 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-18 12:55:44,852 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172139379] [2020-08-18 12:55:44,853 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-18 12:55:44,853 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 12:55:44,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-18 12:55:44,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-08-18 12:55:44,854 INFO L87 Difference]: Start difference. First operand 114 states and 154 transitions. Second operand 11 states. [2020-08-18 12:55:45,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 12:55:45,123 INFO L93 Difference]: Finished difference Result 244 states and 371 transitions. [2020-08-18 12:55:45,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-08-18 12:55:45,124 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 177 [2020-08-18 12:55:45,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 12:55:45,128 INFO L225 Difference]: With dead ends: 244 [2020-08-18 12:55:45,128 INFO L226 Difference]: Without dead ends: 240 [2020-08-18 12:55:45,129 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 12:55:45,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2020-08-18 12:55:45,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 220. [2020-08-18 12:55:45,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2020-08-18 12:55:45,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 331 transitions. [2020-08-18 12:55:45,148 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 331 transitions. Word has length 177 [2020-08-18 12:55:45,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 12:55:45,148 INFO L479 AbstractCegarLoop]: Abstraction has 220 states and 331 transitions. [2020-08-18 12:55:45,148 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-18 12:55:45,149 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 331 transitions. [2020-08-18 12:55:45,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2020-08-18 12:55:45,153 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 12:55:45,153 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 12:55:45,153 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-08-18 12:55:45,154 INFO L427 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 12:55:45,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 12:55:45,154 INFO L82 PathProgramCache]: Analyzing trace with hash 1318955698, now seen corresponding path program 4 times [2020-08-18 12:55:45,154 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 12:55:45,154 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [349192724] [2020-08-18 12:55:45,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 12:55:45,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:45,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 12:55:45,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:45,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 12:55:45,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:45,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:45,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:45,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:45,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:45,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:45,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:45,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:45,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:45,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:45,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:45,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:45,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:45,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:45,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:45,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:55:45,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:45,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:55:45,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:45,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:45,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:45,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:45,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:45,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 12:55:45,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:45,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:45,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:45,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:45,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:45,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-08-18 12:55:45,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:45,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:45,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:45,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:45,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:45,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:45,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:45,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:55:45,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:45,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-08-18 12:55:45,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:45,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:45,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:45,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:45,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:45,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:45,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:45,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:45,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:45,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:45,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:45,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:45,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:45,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:55:45,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:45,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:55:45,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:45,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:45,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:45,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:45,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:45,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 12:55:45,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:45,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:45,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:45,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:45,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:45,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-08-18 12:55:45,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:45,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:45,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:45,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:45,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:45,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:45,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:45,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:55:45,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:45,679 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 12:55:45,680 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [349192724] [2020-08-18 12:55:45,680 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 12:55:45,680 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-18 12:55:45,681 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818455808] [2020-08-18 12:55:45,681 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-18 12:55:45,681 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 12:55:45,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-18 12:55:45,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-08-18 12:55:45,682 INFO L87 Difference]: Start difference. First operand 220 states and 331 transitions. Second operand 11 states. [2020-08-18 12:55:45,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 12:55:45,917 INFO L93 Difference]: Finished difference Result 429 states and 677 transitions. [2020-08-18 12:55:45,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-08-18 12:55:45,918 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 274 [2020-08-18 12:55:45,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 12:55:45,921 INFO L225 Difference]: With dead ends: 429 [2020-08-18 12:55:45,921 INFO L226 Difference]: Without dead ends: 225 [2020-08-18 12:55:45,923 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 12:55:45,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2020-08-18 12:55:45,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 222. [2020-08-18 12:55:45,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2020-08-18 12:55:45,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 316 transitions. [2020-08-18 12:55:45,942 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 316 transitions. Word has length 274 [2020-08-18 12:55:45,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 12:55:45,942 INFO L479 AbstractCegarLoop]: Abstraction has 222 states and 316 transitions. [2020-08-18 12:55:45,942 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-18 12:55:45,943 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 316 transitions. [2020-08-18 12:55:45,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2020-08-18 12:55:45,947 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 12:55:45,947 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 12:55:45,947 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-08-18 12:55:45,948 INFO L427 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 12:55:45,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 12:55:45,948 INFO L82 PathProgramCache]: Analyzing trace with hash -1614185823, now seen corresponding path program 5 times [2020-08-18 12:55:45,948 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 12:55:45,949 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1927238975] [2020-08-18 12:55:45,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 12:55:45,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:46,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 12:55:46,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:46,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 12:55:46,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:46,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:46,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:46,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:46,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:46,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:46,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:46,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:46,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:46,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:46,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:46,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:46,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:46,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:46,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:46,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:55:46,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:46,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:55:46,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:46,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:46,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:46,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:46,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:46,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 12:55:46,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:46,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:46,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:46,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:46,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:46,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:46,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:46,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:55:46,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:46,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 12:55:46,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:46,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:46,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:46,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:46,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:46,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:46,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:46,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:46,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:46,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:55:46,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:46,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:55:46,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:46,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:46,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:46,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:46,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:46,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 12:55:46,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:46,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:46,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:46,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:46,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:46,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:46,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:46,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:46,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:46,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:46,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:46,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:55:46,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:46,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:55:46,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:46,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:46,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:46,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:46,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:46,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 12:55:46,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:46,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:46,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:46,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:46,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:46,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:46,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:46,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:55:46,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:46,587 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 12:55:46,588 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1927238975] [2020-08-18 12:55:46,588 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 12:55:46,588 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-08-18 12:55:46,589 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471658813] [2020-08-18 12:55:46,590 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-18 12:55:46,590 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 12:55:46,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-18 12:55:46,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-08-18 12:55:46,591 INFO L87 Difference]: Start difference. First operand 222 states and 316 transitions. Second operand 12 states. [2020-08-18 12:55:46,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 12:55:46,959 INFO L93 Difference]: Finished difference Result 469 states and 720 transitions. [2020-08-18 12:55:46,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-08-18 12:55:46,960 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 286 [2020-08-18 12:55:46,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 12:55:46,972 INFO L225 Difference]: With dead ends: 469 [2020-08-18 12:55:46,972 INFO L226 Difference]: Without dead ends: 465 [2020-08-18 12:55:46,975 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 12:55:46,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2020-08-18 12:55:47,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 445. [2020-08-18 12:55:47,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 445 states. [2020-08-18 12:55:47,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 682 transitions. [2020-08-18 12:55:47,023 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 682 transitions. Word has length 286 [2020-08-18 12:55:47,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 12:55:47,024 INFO L479 AbstractCegarLoop]: Abstraction has 445 states and 682 transitions. [2020-08-18 12:55:47,024 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-18 12:55:47,024 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 682 transitions. [2020-08-18 12:55:47,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2020-08-18 12:55:47,033 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 12:55:47,034 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 12:55:47,034 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-08-18 12:55:47,035 INFO L427 AbstractCegarLoop]: === Iteration 18 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 12:55:47,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 12:55:47,035 INFO L82 PathProgramCache]: Analyzing trace with hash 1485391483, now seen corresponding path program 6 times [2020-08-18 12:55:47,036 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 12:55:47,036 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [204043706] [2020-08-18 12:55:47,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 12:55:47,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:47,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 12:55:47,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:47,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 12:55:47,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:47,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:47,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:47,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:47,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:47,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:47,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:47,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:47,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:47,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:47,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:47,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:47,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:47,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:47,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:47,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:47,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:47,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:55:47,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:47,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:55:47,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:47,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:47,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:47,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:47,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:47,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 12:55:47,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:47,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:47,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:47,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:47,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:47,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:47,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:47,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:55:47,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:47,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 12:55:47,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:47,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:47,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:47,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:47,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:47,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:47,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:47,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:55:47,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:47,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-08-18 12:55:47,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:47,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:47,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:47,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:47,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:47,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:47,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:47,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:47,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:47,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:47,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:47,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:55:47,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:47,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:55:47,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:47,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:47,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:47,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:47,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:47,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 12:55:47,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:47,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:47,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:47,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:47,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:47,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:47,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:47,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:55:47,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:47,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2020-08-18 12:55:47,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:47,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:47,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:47,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:47,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:47,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:47,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:47,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:47,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:47,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:47,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:47,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:55:47,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:47,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:55:47,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:47,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:47,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:47,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:47,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:47,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 12:55:47,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:47,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:47,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:47,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:47,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:47,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:47,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:47,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:55:47,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:48,188 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 12:55:48,188 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [204043706] [2020-08-18 12:55:48,188 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 12:55:48,189 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-08-18 12:55:48,189 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828295004] [2020-08-18 12:55:48,191 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-18 12:55:48,192 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 12:55:48,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-18 12:55:48,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-08-18 12:55:48,197 INFO L87 Difference]: Start difference. First operand 445 states and 682 transitions. Second operand 14 states. [2020-08-18 12:55:48,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 12:55:48,684 INFO L93 Difference]: Finished difference Result 924 states and 1512 transitions. [2020-08-18 12:55:48,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-08-18 12:55:48,685 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 368 [2020-08-18 12:55:48,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 12:55:48,703 INFO L225 Difference]: With dead ends: 924 [2020-08-18 12:55:48,703 INFO L226 Difference]: Without dead ends: 493 [2020-08-18 12:55:48,713 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 12:55:48,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2020-08-18 12:55:48,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 439. [2020-08-18 12:55:48,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 439 states. [2020-08-18 12:55:48,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 658 transitions. [2020-08-18 12:55:48,789 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 658 transitions. Word has length 368 [2020-08-18 12:55:48,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 12:55:48,789 INFO L479 AbstractCegarLoop]: Abstraction has 439 states and 658 transitions. [2020-08-18 12:55:48,790 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-18 12:55:48,790 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 658 transitions. [2020-08-18 12:55:48,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 573 [2020-08-18 12:55:48,808 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 12:55:48,808 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 12:55:48,809 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-08-18 12:55:48,809 INFO L427 AbstractCegarLoop]: === Iteration 19 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 12:55:48,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 12:55:48,809 INFO L82 PathProgramCache]: Analyzing trace with hash -1718075054, now seen corresponding path program 7 times [2020-08-18 12:55:48,810 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 12:55:48,810 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1908595325] [2020-08-18 12:55:48,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 12:55:48,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:49,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 12:55:49,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:49,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 12:55:49,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:49,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:49,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:49,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:49,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:49,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:49,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:49,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:49,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:49,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:49,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:49,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:49,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:49,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:49,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:49,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:49,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:49,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:55:49,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:49,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:55:49,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:49,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:49,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:49,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:49,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:49,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 12:55:49,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:49,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:49,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:49,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:49,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:49,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:49,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:49,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:55:49,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:49,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 12:55:49,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:49,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:49,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:49,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:49,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:49,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:49,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:49,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:49,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:49,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:55:49,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:49,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:55:49,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:49,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:49,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:49,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:49,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:49,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 12:55:49,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:49,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:49,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:49,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:49,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:49,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:49,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:49,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:49,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:49,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:49,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:49,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:49,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:49,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:55:49,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:49,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:55:49,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:49,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:49,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:49,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:49,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:49,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 12:55:49,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:49,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:49,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:49,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:49,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:49,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:49,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:49,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:55:49,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:49,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 12:55:49,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:49,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:49,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:49,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:49,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:49,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:49,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:49,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:49,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:49,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:55:49,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:49,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:55:49,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:49,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:49,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:49,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:49,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:50,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-08-18 12:55:50,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:50,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:50,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:50,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:50,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:50,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:50,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:50,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:50,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:50,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:50,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:50,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:50,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:50,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:50,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:50,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:55:50,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:50,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:55:50,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:50,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:50,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:50,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:50,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:50,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 12:55:50,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:50,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:50,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:50,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:50,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:50,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:50,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:50,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:55:50,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:50,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 12:55:50,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:50,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:50,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:50,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:50,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:50,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:50,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:50,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:50,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:50,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:55:50,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:50,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:55:50,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:50,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:50,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:50,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:50,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:50,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 12:55:50,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:50,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:50,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:50,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:50,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:50,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:50,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:50,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:55:50,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:50,951 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 12:55:50,952 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1908595325] [2020-08-18 12:55:50,952 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 12:55:50,952 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-08-18 12:55:50,953 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794039612] [2020-08-18 12:55:50,953 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-08-18 12:55:50,954 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 12:55:50,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-08-18 12:55:50,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2020-08-18 12:55:50,954 INFO L87 Difference]: Start difference. First operand 439 states and 658 transitions. Second operand 18 states. [2020-08-18 12:55:52,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 12:55:52,010 INFO L93 Difference]: Finished difference Result 836 states and 1442 transitions. [2020-08-18 12:55:52,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-08-18 12:55:52,012 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 572 [2020-08-18 12:55:52,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 12:55:52,019 INFO L225 Difference]: With dead ends: 836 [2020-08-18 12:55:52,019 INFO L226 Difference]: Without dead ends: 395 [2020-08-18 12:55:52,026 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 409 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=261, Invalid=1545, Unknown=0, NotChecked=0, Total=1806 [2020-08-18 12:55:52,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2020-08-18 12:55:52,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 327. [2020-08-18 12:55:52,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 327 states. [2020-08-18 12:55:52,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 502 transitions. [2020-08-18 12:55:52,054 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 502 transitions. Word has length 572 [2020-08-18 12:55:52,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 12:55:52,055 INFO L479 AbstractCegarLoop]: Abstraction has 327 states and 502 transitions. [2020-08-18 12:55:52,055 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-08-18 12:55:52,055 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 502 transitions. [2020-08-18 12:55:52,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2020-08-18 12:55:52,058 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 12:55:52,058 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 12:55:52,058 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-08-18 12:55:52,058 INFO L427 AbstractCegarLoop]: === Iteration 20 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 12:55:52,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 12:55:52,059 INFO L82 PathProgramCache]: Analyzing trace with hash 1572493120, now seen corresponding path program 8 times [2020-08-18 12:55:52,059 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 12:55:52,059 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [495760527] [2020-08-18 12:55:52,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 12:55:52,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:52,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 12:55:52,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:52,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 12:55:52,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:52,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:52,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:52,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:52,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:52,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:52,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:52,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:52,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:52,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:52,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:52,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:52,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:52,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:52,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:52,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:52,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:52,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:55:52,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:52,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:55:52,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:52,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:52,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:52,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:52,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:52,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 12:55:52,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:52,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:52,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:52,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:52,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:52,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:52,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:52,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:55:52,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:52,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 12:55:52,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:52,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:52,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:52,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:52,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:52,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:52,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:52,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:52,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:52,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:55:52,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:52,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:55:52,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:52,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:52,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:52,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:52,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:52,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 12:55:52,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:52,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:52,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:52,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:52,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:52,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:52,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:52,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:52,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:52,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:55:52,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:52,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:55:52,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:52,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:52,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:52,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:52,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:52,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-08-18 12:55:52,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:52,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:52,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:52,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:52,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:52,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:52,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:52,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:52,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:52,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:52,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:52,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:55:52,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:52,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:55:52,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:52,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:52,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:52,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:52,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:52,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 12:55:52,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:52,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:52,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:52,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:52,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:52,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:52,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:52,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:55:52,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:53,147 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 12:55:53,147 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [495760527] [2020-08-18 12:55:53,147 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 12:55:53,148 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-08-18 12:55:53,148 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791188689] [2020-08-18 12:55:53,149 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-08-18 12:55:53,149 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 12:55:53,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-08-18 12:55:53,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2020-08-18 12:55:53,150 INFO L87 Difference]: Start difference. First operand 327 states and 502 transitions. Second operand 16 states. [2020-08-18 12:55:53,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 12:55:53,860 INFO L93 Difference]: Finished difference Result 720 states and 1202 transitions. [2020-08-18 12:55:53,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-08-18 12:55:53,860 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 354 [2020-08-18 12:55:53,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 12:55:53,868 INFO L225 Difference]: With dead ends: 720 [2020-08-18 12:55:53,868 INFO L226 Difference]: Without dead ends: 415 [2020-08-18 12:55:53,876 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 12:55:53,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2020-08-18 12:55:53,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 375. [2020-08-18 12:55:53,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 375 states. [2020-08-18 12:55:53,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 561 transitions. [2020-08-18 12:55:53,930 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 561 transitions. Word has length 354 [2020-08-18 12:55:53,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 12:55:53,931 INFO L479 AbstractCegarLoop]: Abstraction has 375 states and 561 transitions. [2020-08-18 12:55:53,931 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-08-18 12:55:53,931 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 561 transitions. [2020-08-18 12:55:53,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 573 [2020-08-18 12:55:53,940 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 12:55:53,941 INFO L422 BasicCegarLoop]: trace histogram [42, 42, 41, 41, 34, 33, 21, 21, 21, 21, 21, 21, 21, 20, 20, 20, 20, 20, 20, 20, 14, 12, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 12:55:53,941 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-08-18 12:55:53,942 INFO L427 AbstractCegarLoop]: === Iteration 21 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 12:55:53,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 12:55:53,943 INFO L82 PathProgramCache]: Analyzing trace with hash 2122481566, now seen corresponding path program 9 times [2020-08-18 12:55:53,943 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 12:55:53,943 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1357252958] [2020-08-18 12:55:53,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 12:55:53,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:54,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 12:55:54,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:54,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 12:55:54,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:54,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:54,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:54,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:54,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:54,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:54,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:54,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:54,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:54,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:54,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:54,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:54,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:54,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:54,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:54,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:54,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:54,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:55:54,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:54,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:55:54,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:54,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:54,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:54,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:54,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:54,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 12:55:54,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:54,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:54,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:54,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:54,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:54,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:54,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:54,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:55:54,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:54,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 12:55:54,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:54,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:54,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:54,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:54,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:54,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:54,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:54,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:54,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:54,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:55:54,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:54,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:55:54,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:54,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:54,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:54,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:54,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:55,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 12:55:55,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:55,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:55,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:55,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:55,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:55,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:55,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:55,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:55,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:55,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:55,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:55,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:55:55,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:55,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:55:55,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:55,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:55,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:55,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:55,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:55,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 12:55:55,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:55,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:55,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:55,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:55,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:55,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:55,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:55,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:55:55,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:55,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-18 12:55:55,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:55,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:55,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:55,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:55,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:55,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:55,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:55,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:55,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:55,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:55,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:55,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:55,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:55,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:55,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:55,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:55:55,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:55,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:55:55,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:55,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:55,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:55,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:55,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:55,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 12:55:55,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:55,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:55,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:55,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:55,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:55,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:55,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:55,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:55:55,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:55,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 12:55:55,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:55,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:55,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:55,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:55,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:55,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:55,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:55,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:55,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:55,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:55:55,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:55,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:55:55,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:55,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:55,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:55,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:55,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:55,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 12:55:55,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:55,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:55,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:55,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:55,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:55,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:55,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:55,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:55,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:55,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:55,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:55,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:55:55,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:55,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:55:55,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:55,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:55,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:55,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:55,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:55,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 12:55:55,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:55,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:55,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:55,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:55,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:55,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:55,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:55,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:55:55,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:56,313 INFO L134 CoverageAnalysis]: Checked inductivity of 9413 backedges. 913 proven. 1781 refuted. 0 times theorem prover too weak. 6719 trivial. 0 not checked. [2020-08-18 12:55:56,313 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1357252958] [2020-08-18 12:55:56,314 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 12:55:56,314 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-08-18 12:55:56,314 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575796807] [2020-08-18 12:55:56,315 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-08-18 12:55:56,315 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 12:55:56,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-08-18 12:55:56,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2020-08-18 12:55:56,316 INFO L87 Difference]: Start difference. First operand 375 states and 561 transitions. Second operand 20 states. [2020-08-18 12:55:57,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 12:55:57,657 INFO L93 Difference]: Finished difference Result 620 states and 1014 transitions. [2020-08-18 12:55:57,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2020-08-18 12:55:57,658 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 572 [2020-08-18 12:55:57,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 12:55:57,665 INFO L225 Difference]: With dead ends: 620 [2020-08-18 12:55:57,665 INFO L226 Difference]: Without dead ends: 227 [2020-08-18 12:55:57,672 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 634 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=343, Invalid=2207, Unknown=0, NotChecked=0, Total=2550 [2020-08-18 12:55:57,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2020-08-18 12:55:57,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 180. [2020-08-18 12:55:57,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180 states. [2020-08-18 12:55:57,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 258 transitions. [2020-08-18 12:55:57,692 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 258 transitions. Word has length 572 [2020-08-18 12:55:57,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 12:55:57,692 INFO L479 AbstractCegarLoop]: Abstraction has 180 states and 258 transitions. [2020-08-18 12:55:57,692 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-08-18 12:55:57,693 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 258 transitions. [2020-08-18 12:55:57,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 751 [2020-08-18 12:55:57,702 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 12:55:57,702 INFO L422 BasicCegarLoop]: trace histogram [56, 56, 53, 53, 46, 43, 28, 28, 28, 28, 28, 28, 28, 26, 26, 26, 26, 26, 26, 26, 20, 15, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 12:55:57,703 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-08-18 12:55:57,703 INFO L427 AbstractCegarLoop]: === Iteration 22 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 12:55:57,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 12:55:57,703 INFO L82 PathProgramCache]: Analyzing trace with hash 184907743, now seen corresponding path program 10 times [2020-08-18 12:55:57,704 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 12:55:57,704 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1576067311] [2020-08-18 12:55:57,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 12:55:57,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:58,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 12:55:58,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:58,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 12:55:58,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:58,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:58,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:58,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:58,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:58,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:58,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:58,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:58,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:58,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:58,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:58,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:58,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:58,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:58,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:58,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:58,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:58,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:58,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:58,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:55:58,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:58,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:55:58,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:58,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:58,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:58,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:58,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:58,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 12:55:58,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:58,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:58,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:58,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:58,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:58,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:58,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:58,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:55:58,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:58,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 12:55:58,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:58,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:58,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:58,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:58,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:58,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:58,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:58,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:55:58,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:58,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-08-18 12:55:58,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:58,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:58,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:58,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:58,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:58,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:58,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:58,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:58,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:58,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:58,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:58,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:58,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:58,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:55:58,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:58,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:55:58,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:58,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:58,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:58,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:58,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:58,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 12:55:58,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:58,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:58,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:58,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:58,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:58,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:58,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:58,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:55:58,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:59,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 12:55:59,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:59,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:59,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:59,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:59,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:59,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:59,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:59,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:55:59,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:59,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2020-08-18 12:55:59,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:59,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:59,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:59,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:59,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:59,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:59,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:59,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:59,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:59,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:59,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:59,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:59,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:59,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:59,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:59,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:55:59,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:59,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:55:59,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:59,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:59,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:59,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:59,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:59,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 12:55:59,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:59,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:59,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:59,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:59,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:59,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:59,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:59,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:55:59,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:59,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 12:55:59,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:59,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:59,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:59,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:59,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:59,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:59,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:59,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:55:59,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:59,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-08-18 12:55:59,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:59,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:59,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:59,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:59,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:59,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:59,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:59,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:59,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:59,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:59,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:59,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:59,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:59,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:55:59,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:59,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:55:59,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:59,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:59,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:59,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:59,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:59,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 12:55:59,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:59,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:59,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:59,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:59,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:59,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:59,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:59,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:55:59,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:59,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 12:55:59,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:59,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:59,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:59,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:59,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:59,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:59,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:59,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:55:59,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:59,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 596 [2020-08-18 12:55:59,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:59,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:59,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:59,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:59,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:59,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:59,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:59,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:59,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:59,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:59,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:59,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:59,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:59,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:55:59,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:59,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:55:59,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:59,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:59,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:59,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:59,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:59,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 12:55:59,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:59,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:59,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:59,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:59,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:59,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:59,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:59,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:55:59,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:59,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 12:55:59,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:59,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:59,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:59,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:55:59,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:59,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:55:59,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:55:59,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:55:59,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:00,069 INFO L134 CoverageAnalysis]: Checked inductivity of 16422 backedges. 530 proven. 2094 refuted. 0 times theorem prover too weak. 13798 trivial. 0 not checked. [2020-08-18 12:56:00,069 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1576067311] [2020-08-18 12:56:00,070 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 12:56:00,070 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-08-18 12:56:00,070 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939478263] [2020-08-18 12:56:00,071 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-18 12:56:00,071 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 12:56:00,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-18 12:56:00,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-08-18 12:56:00,072 INFO L87 Difference]: Start difference. First operand 180 states and 258 transitions. Second operand 14 states. [2020-08-18 12:56:00,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 12:56:00,503 INFO L93 Difference]: Finished difference Result 348 states and 520 transitions. [2020-08-18 12:56:00,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-08-18 12:56:00,505 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 750 [2020-08-18 12:56:00,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 12:56:00,508 INFO L225 Difference]: With dead ends: 348 [2020-08-18 12:56:00,508 INFO L226 Difference]: Without dead ends: 190 [2020-08-18 12:56:00,510 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 224 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=96, Invalid=504, Unknown=0, NotChecked=0, Total=600 [2020-08-18 12:56:00,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2020-08-18 12:56:00,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 187. [2020-08-18 12:56:00,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2020-08-18 12:56:00,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 264 transitions. [2020-08-18 12:56:00,528 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 264 transitions. Word has length 750 [2020-08-18 12:56:00,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 12:56:00,528 INFO L479 AbstractCegarLoop]: Abstraction has 187 states and 264 transitions. [2020-08-18 12:56:00,528 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-18 12:56:00,529 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 264 transitions. [2020-08-18 12:56:00,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 750 [2020-08-18 12:56:00,535 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 12:56:00,536 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 12:56:00,536 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-08-18 12:56:00,536 INFO L427 AbstractCegarLoop]: === Iteration 23 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 12:56:00,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 12:56:00,537 INFO L82 PathProgramCache]: Analyzing trace with hash -1323260127, now seen corresponding path program 11 times [2020-08-18 12:56:00,537 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 12:56:00,539 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1039636385] [2020-08-18 12:56:00,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 12:56:00,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:00,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 12:56:00,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:00,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 12:56:01,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:01,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:01,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:01,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:01,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:01,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:01,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:01,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:01,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:01,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:01,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:01,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:01,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:01,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:01,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:01,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:01,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:01,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:01,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:01,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:56:01,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:01,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:56:01,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:01,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:01,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:01,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:01,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:01,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 12:56:01,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:01,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:01,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:01,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:01,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:01,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:01,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:01,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:56:01,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:01,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 12:56:01,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:01,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:01,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:01,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:01,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:01,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:01,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:01,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:01,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:01,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:56:01,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:01,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:56:01,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:01,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:01,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:01,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:01,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:01,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 12:56:01,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:01,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:01,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:01,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:01,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:01,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:01,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:01,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:01,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:01,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:01,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:01,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:56:01,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:01,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:56:01,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:01,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:01,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:01,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:01,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:01,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 12:56:01,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:01,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:01,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:01,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:01,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:01,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:01,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:01,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:56:01,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:01,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-18 12:56:01,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:01,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:01,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:01,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:01,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:01,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:01,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:01,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:01,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:01,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:01,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:01,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:01,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:02,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:56:02,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:02,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:56:02,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:02,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:02,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:02,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:02,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:02,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 12:56:02,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:02,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:02,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:02,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:02,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:02,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:02,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:02,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:56:02,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:02,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 12:56:02,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:02,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:02,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:02,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:02,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:02,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:02,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:02,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:02,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:02,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:56:02,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:02,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:56:02,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:02,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:02,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:02,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:02,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:02,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-08-18 12:56:02,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:02,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:02,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:02,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:02,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:02,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:02,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:02,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:02,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:02,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:02,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:02,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:02,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:02,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:02,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:02,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:56:02,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:02,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:56:02,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:02,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:02,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:02,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:02,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:02,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 12:56:02,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:02,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:02,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:02,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:02,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:02,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:02,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:02,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:56:02,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:02,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 12:56:02,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:02,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:02,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:02,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:02,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:02,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:02,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:02,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:02,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:02,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:56:02,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:02,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:56:02,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:02,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:02,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:02,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:02,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:02,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 12:56:02,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:02,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:02,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:02,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:02,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:02,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:02,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:02,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:02,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:02,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:02,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:02,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:56:02,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:02,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:56:02,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:02,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:02,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:02,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:02,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:02,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 12:56:02,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:02,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:02,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:02,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:02,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:02,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:02,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:02,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:56:02,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:03,009 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 12:56:03,010 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1039636385] [2020-08-18 12:56:03,010 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 12:56:03,010 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-08-18 12:56:03,010 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509016286] [2020-08-18 12:56:03,011 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-18 12:56:03,011 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 12:56:03,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-18 12:56:03,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2020-08-18 12:56:03,012 INFO L87 Difference]: Start difference. First operand 187 states and 264 transitions. Second operand 14 states. [2020-08-18 12:56:03,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 12:56:03,444 INFO L93 Difference]: Finished difference Result 523 states and 826 transitions. [2020-08-18 12:56:03,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-08-18 12:56:03,445 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 749 [2020-08-18 12:56:03,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 12:56:03,453 INFO L225 Difference]: With dead ends: 523 [2020-08-18 12:56:03,453 INFO L226 Difference]: Without dead ends: 519 [2020-08-18 12:56:03,455 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=109, Invalid=397, Unknown=0, NotChecked=0, Total=506 [2020-08-18 12:56:03,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2020-08-18 12:56:03,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 465. [2020-08-18 12:56:03,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 465 states. [2020-08-18 12:56:03,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 730 transitions. [2020-08-18 12:56:03,490 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 730 transitions. Word has length 749 [2020-08-18 12:56:03,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 12:56:03,491 INFO L479 AbstractCegarLoop]: Abstraction has 465 states and 730 transitions. [2020-08-18 12:56:03,491 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-18 12:56:03,491 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 730 transitions. [2020-08-18 12:56:03,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1281 [2020-08-18 12:56:03,508 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 12:56:03,509 INFO L422 BasicCegarLoop]: trace histogram [94, 94, 93, 93, 76, 75, 47, 47, 47, 47, 47, 47, 47, 46, 46, 46, 46, 46, 46, 46, 30, 28, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 12:56:03,509 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-08-18 12:56:03,509 INFO L427 AbstractCegarLoop]: === Iteration 24 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 12:56:03,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 12:56:03,510 INFO L82 PathProgramCache]: Analyzing trace with hash -1893425186, now seen corresponding path program 12 times [2020-08-18 12:56:03,510 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 12:56:03,510 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1750544905] [2020-08-18 12:56:03,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 12:56:03,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:04,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 12:56:04,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:04,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 12:56:04,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:05,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:05,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:05,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:05,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:05,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:05,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:05,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:05,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:05,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:05,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:05,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:05,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:05,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:05,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:05,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:05,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:05,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:05,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:05,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:05,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:05,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:56:05,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:05,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:56:05,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:05,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:05,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:05,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:05,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:05,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 12:56:05,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:05,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:05,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:05,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:05,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:05,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:05,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:05,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:56:05,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:05,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 12:56:05,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:05,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:05,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:05,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:05,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:05,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:05,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:05,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:05,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:05,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:56:05,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:05,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:56:05,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:05,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:05,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:05,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:05,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:05,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 12:56:05,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:05,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:05,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:05,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:05,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:05,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:05,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:05,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:05,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:05,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:05,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:05,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:56:05,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:05,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:56:05,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:05,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:05,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:05,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:05,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:05,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 12:56:05,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:05,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:05,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:05,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:05,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:05,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:05,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:05,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:56:05,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:05,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-18 12:56:05,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:05,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:05,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:05,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:05,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:05,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:05,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:05,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:05,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:05,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:05,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:05,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:56:05,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:05,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:56:05,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:05,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:05,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:05,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:05,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:05,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 12:56:05,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:05,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:05,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:05,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:05,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:05,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:05,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:05,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:56:05,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:06,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2020-08-18 12:56:06,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:06,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:06,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:06,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:06,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:06,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:06,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:06,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:06,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:06,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:06,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:06,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:06,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:06,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:06,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:06,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:56:06,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:06,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:56:06,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:06,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:06,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:06,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:06,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:06,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 12:56:06,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:06,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:06,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:06,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:06,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:06,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:06,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:06,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:56:06,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:06,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 12:56:06,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:06,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:06,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:06,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:06,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:06,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:06,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:06,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:06,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:06,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:56:06,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:06,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:56:06,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:06,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:06,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:06,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:06,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:06,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 12:56:06,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:06,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:06,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:06,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:06,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:06,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:06,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:06,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:06,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:06,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:56:06,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:06,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:56:06,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:06,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:06,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:06,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:06,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:06,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 636 [2020-08-18 12:56:06,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:06,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:06,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:06,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:06,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:06,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:06,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:06,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:06,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:06,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:06,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:06,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:06,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:06,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:06,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:06,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:06,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:06,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:06,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:06,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:56:06,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:06,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:56:06,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:06,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:06,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:06,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:06,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:06,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 12:56:06,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:06,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:06,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:06,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:06,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:06,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:06,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:06,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:56:06,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:06,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 12:56:06,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:06,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:06,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:06,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:06,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:06,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:06,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:06,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:06,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:06,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:56:06,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:06,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:56:06,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:06,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:06,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:06,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:06,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:06,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 12:56:06,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:06,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:06,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:06,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:06,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:06,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:06,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:06,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:06,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:06,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:06,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:06,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:56:06,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:06,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:56:06,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:06,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:06,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:06,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:06,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:06,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 12:56:06,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:06,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:06,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:06,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:06,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:06,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:06,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:06,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:56:06,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:06,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-18 12:56:06,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:06,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:06,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:06,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:06,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:06,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:06,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:06,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:06,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:06,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:06,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:06,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:56:06,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:06,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:56:06,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:06,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:06,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:06,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:06,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:06,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 12:56:06,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:06,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:06,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:06,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:06,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:06,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:06,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:06,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:56:06,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:07,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2020-08-18 12:56:07,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:07,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:07,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:07,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:07,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:07,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:07,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:07,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:07,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:07,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:07,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:07,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:07,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:07,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:07,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:07,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:56:07,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:07,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:56:07,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:07,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:07,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:07,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:07,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:07,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 12:56:07,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:07,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:07,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:07,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:07,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:07,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:07,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:07,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:56:07,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:07,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 12:56:07,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:07,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:07,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:07,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:07,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:07,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:07,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:07,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:07,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:07,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:56:07,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:07,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:56:07,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:07,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:07,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:07,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:07,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:07,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 12:56:07,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:07,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:07,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:07,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:07,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:07,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:07,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:07,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:07,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:07,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:56:07,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:07,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:56:07,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:07,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:07,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:07,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:07,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:08,847 INFO L134 CoverageAnalysis]: Checked inductivity of 48685 backedges. 1141 proven. 5191 refuted. 0 times theorem prover too weak. 42353 trivial. 0 not checked. [2020-08-18 12:56:08,848 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1750544905] [2020-08-18 12:56:08,848 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 12:56:08,848 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-08-18 12:56:08,848 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543019287] [2020-08-18 12:56:08,849 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-08-18 12:56:08,849 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 12:56:08,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-08-18 12:56:08,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2020-08-18 12:56:08,850 INFO L87 Difference]: Start difference. First operand 465 states and 730 transitions. Second operand 18 states. [2020-08-18 12:56:09,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 12:56:09,805 INFO L93 Difference]: Finished difference Result 1045 states and 1789 transitions. [2020-08-18 12:56:09,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-08-18 12:56:09,806 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 1280 [2020-08-18 12:56:09,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 12:56:09,815 INFO L225 Difference]: With dead ends: 1045 [2020-08-18 12:56:09,816 INFO L226 Difference]: Without dead ends: 602 [2020-08-18 12:56:09,821 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 415 GetRequests, 379 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 12:56:09,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2020-08-18 12:56:09,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 490. [2020-08-18 12:56:09,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 490 states. [2020-08-18 12:56:09,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 490 states and 741 transitions. [2020-08-18 12:56:09,857 INFO L78 Accepts]: Start accepts. Automaton has 490 states and 741 transitions. Word has length 1280 [2020-08-18 12:56:09,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 12:56:09,858 INFO L479 AbstractCegarLoop]: Abstraction has 490 states and 741 transitions. [2020-08-18 12:56:09,858 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-08-18 12:56:09,858 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 741 transitions. [2020-08-18 12:56:09,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 927 [2020-08-18 12:56:09,868 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 12:56:09,869 INFO L422 BasicCegarLoop]: trace histogram [68, 68, 67, 67, 55, 54, 34, 34, 34, 34, 34, 34, 34, 33, 33, 33, 33, 33, 33, 33, 22, 20, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 12:56:09,869 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-08-18 12:56:09,869 INFO L427 AbstractCegarLoop]: === Iteration 25 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 12:56:09,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 12:56:09,870 INFO L82 PathProgramCache]: Analyzing trace with hash -1329713436, now seen corresponding path program 13 times [2020-08-18 12:56:09,870 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 12:56:09,870 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [71034623] [2020-08-18 12:56:09,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 12:56:09,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:10,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 12:56:10,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:10,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 12:56:10,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:10,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:10,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:10,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:10,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:11,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:11,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:11,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:11,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:11,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:11,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:11,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:11,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:11,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:11,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:11,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:11,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:11,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:11,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:11,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:11,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:11,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:56:11,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:11,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:56:11,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:11,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:11,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:11,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:11,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:11,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 12:56:11,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:11,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:11,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:11,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:11,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:11,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:11,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:11,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:56:11,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:11,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 12:56:11,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:11,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:11,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:11,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:11,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:11,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:11,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:11,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:11,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:11,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:56:11,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:11,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:56:11,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:11,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:11,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:11,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:11,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:11,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 12:56:11,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:11,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:11,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:11,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:11,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:11,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:11,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:11,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:11,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:11,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:11,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:11,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:56:11,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:11,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:56:11,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:11,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:11,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:11,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:11,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:11,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 12:56:11,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:11,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:11,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:11,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:11,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:11,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:11,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:11,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:56:11,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:11,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-18 12:56:11,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:11,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:11,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:11,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:11,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:11,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:11,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:11,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:11,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:11,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:11,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:11,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:11,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:11,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:56:11,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:11,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:56:11,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:11,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:11,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:11,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:11,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:11,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 12:56:11,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:11,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:11,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:11,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:11,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:11,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:11,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:11,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:56:11,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:11,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 12:56:11,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:11,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:11,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:11,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:11,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:11,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:11,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:11,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:11,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:11,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:56:11,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:11,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:56:11,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:11,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:11,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:11,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:11,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:11,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-08-18 12:56:11,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:11,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:11,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:11,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:11,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:11,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:11,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:11,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:11,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:11,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:11,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:11,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:11,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:11,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:56:11,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:11,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:56:11,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:11,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:11,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:11,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:11,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:11,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 12:56:11,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:11,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:11,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:11,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:11,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:11,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:11,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:11,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:56:11,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:11,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 12:56:11,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:11,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:11,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:11,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:11,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:11,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:11,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:11,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:11,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:11,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:56:11,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:11,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:56:11,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:11,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:11,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:11,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:11,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:12,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 636 [2020-08-18 12:56:12,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:12,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:12,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:12,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:12,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:12,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:12,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:12,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:12,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:12,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:12,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:12,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:12,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:12,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:12,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:12,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:56:12,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:12,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:56:12,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:12,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:12,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:12,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:12,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:12,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 12:56:12,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:12,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:12,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:12,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:12,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:12,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:12,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:12,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:56:12,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:12,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 12:56:12,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:12,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:12,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:12,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:12,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:12,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:12,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:12,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:12,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:12,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:56:12,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:12,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:56:12,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:12,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:12,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:12,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:12,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:12,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 12:56:12,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:12,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:12,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:12,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:12,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:12,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:12,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:12,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:12,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:12,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:12,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:12,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:56:12,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:12,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:56:12,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:12,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:12,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:12,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:12,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:12,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 12:56:12,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:12,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:12,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:12,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:12,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:12,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:12,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:12,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:56:12,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:12,993 INFO L134 CoverageAnalysis]: Checked inductivity of 25228 backedges. 1608 proven. 3283 refuted. 0 times theorem prover too weak. 20337 trivial. 0 not checked. [2020-08-18 12:56:12,994 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [71034623] [2020-08-18 12:56:12,994 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 12:56:12,994 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-08-18 12:56:12,994 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74424379] [2020-08-18 12:56:12,995 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-08-18 12:56:12,995 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 12:56:12,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-08-18 12:56:12,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2020-08-18 12:56:12,995 INFO L87 Difference]: Start difference. First operand 490 states and 741 transitions. Second operand 20 states. [2020-08-18 12:56:14,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 12:56:14,088 INFO L93 Difference]: Finished difference Result 1067 states and 1798 transitions. [2020-08-18 12:56:14,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2020-08-18 12:56:14,089 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 926 [2020-08-18 12:56:14,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 12:56:14,100 INFO L225 Difference]: With dead ends: 1067 [2020-08-18 12:56:14,100 INFO L226 Difference]: Without dead ends: 599 [2020-08-18 12:56:14,106 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 317 GetRequests, 274 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 427 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=261, Invalid=1719, Unknown=0, NotChecked=0, Total=1980 [2020-08-18 12:56:14,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2020-08-18 12:56:14,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 527. [2020-08-18 12:56:14,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 527 states. [2020-08-18 12:56:14,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 808 transitions. [2020-08-18 12:56:14,155 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 808 transitions. Word has length 926 [2020-08-18 12:56:14,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 12:56:14,156 INFO L479 AbstractCegarLoop]: Abstraction has 527 states and 808 transitions. [2020-08-18 12:56:14,157 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-08-18 12:56:14,157 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 808 transitions. [2020-08-18 12:56:14,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1213 [2020-08-18 12:56:14,179 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 12:56:14,179 INFO L422 BasicCegarLoop]: trace histogram [90, 90, 87, 87, 72, 71, 45, 45, 45, 45, 45, 45, 45, 43, 43, 43, 43, 43, 43, 43, 29, 26, 18, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 12:56:14,180 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-08-18 12:56:14,180 INFO L427 AbstractCegarLoop]: === Iteration 26 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 12:56:14,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 12:56:14,180 INFO L82 PathProgramCache]: Analyzing trace with hash 1219901515, now seen corresponding path program 14 times [2020-08-18 12:56:14,181 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 12:56:14,181 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2025590572] [2020-08-18 12:56:14,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 12:56:14,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:14,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 12:56:14,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:14,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 12:56:14,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:15,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:15,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:15,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:15,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:15,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:15,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:15,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:15,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:15,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:15,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:15,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:15,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:15,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:15,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:15,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:15,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:15,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:15,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:15,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:15,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:15,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:56:15,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:15,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:56:15,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:15,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:15,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:15,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:15,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:15,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 12:56:15,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:15,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:15,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:15,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:15,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:15,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:15,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:15,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:56:15,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:15,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 12:56:15,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:15,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:15,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:15,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:15,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:15,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:15,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:15,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:15,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:15,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:56:15,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:15,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:56:15,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:15,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:15,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:15,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:15,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:15,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 12:56:15,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:15,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:15,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:15,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:15,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:15,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:15,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:15,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:15,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:15,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:15,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:15,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:56:15,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:15,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:56:15,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:15,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:15,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:15,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:15,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:15,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 12:56:15,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:15,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:15,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:15,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:15,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:15,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:15,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:15,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:56:15,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:16,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-18 12:56:16,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:16,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:16,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:16,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:16,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:16,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:16,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:16,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:16,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:16,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:16,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:16,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:16,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:16,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:56:16,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:16,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:56:16,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:16,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:16,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:16,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:16,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:16,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 12:56:16,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:16,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:16,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:16,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:16,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:16,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:16,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:16,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:56:16,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:16,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 12:56:16,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:16,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:16,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:16,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:16,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:16,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:16,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:16,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:16,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:16,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:56:16,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:16,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:56:16,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:16,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:16,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:16,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:16,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:16,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-08-18 12:56:16,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:16,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:16,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:16,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:16,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:16,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:16,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:16,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:16,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:16,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:16,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:16,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:16,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:16,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:16,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:16,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:16,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:16,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:56:16,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:16,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:56:16,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:16,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:16,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:16,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:16,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:16,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 12:56:16,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:16,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:16,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:16,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:16,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:16,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:16,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:16,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:56:16,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:16,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 12:56:16,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:16,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:16,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:16,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:16,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:16,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:16,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:16,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:16,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:16,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:56:16,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:16,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:56:16,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:16,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:16,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:16,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:16,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:16,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 12:56:16,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:16,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:16,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:16,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:16,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:16,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:16,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:16,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:16,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:16,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:16,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:16,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:56:16,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:16,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:56:16,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:16,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:16,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:16,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:16,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:16,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 12:56:16,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:16,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:16,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:16,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:16,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:16,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:16,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:16,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:56:16,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:16,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-18 12:56:16,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:16,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:16,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:16,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:16,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:16,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:16,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:16,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:16,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:16,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:16,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:16,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:16,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:16,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:56:16,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:16,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:56:16,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:16,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:16,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:16,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:16,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:16,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 12:56:16,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:16,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:16,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:16,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:16,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:16,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:16,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:16,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:56:16,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:16,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 12:56:16,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:16,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:16,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:16,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:16,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:16,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:16,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:16,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:16,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:16,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:56:16,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:16,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:56:16,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:16,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:16,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:16,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:16,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:17,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 922 [2020-08-18 12:56:17,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:17,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:17,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:17,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:17,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:17,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:17,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:17,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:17,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:17,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:17,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:17,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:17,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:17,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:17,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:17,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:56:17,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:17,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:56:17,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:17,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:17,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:17,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:17,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:17,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 12:56:17,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:17,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:17,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:17,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:17,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:17,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:17,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:17,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:56:17,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:17,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 12:56:17,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:17,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:17,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:17,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:17,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:17,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:17,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:17,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:17,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:17,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:56:17,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:17,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:56:17,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:17,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:17,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:17,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:17,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:17,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 12:56:17,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:17,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:17,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:17,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:17,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:17,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:17,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:17,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:17,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:17,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:17,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:17,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:56:17,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:17,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:56:17,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:17,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:17,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:17,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:17,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:17,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 12:56:17,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:17,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:17,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:17,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:17,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:17,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:17,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:17,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:56:17,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:18,480 INFO L134 CoverageAnalysis]: Checked inductivity of 43597 backedges. 2081 proven. 5366 refuted. 0 times theorem prover too weak. 36150 trivial. 0 not checked. [2020-08-18 12:56:18,480 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2025590572] [2020-08-18 12:56:18,480 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 12:56:18,480 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-08-18 12:56:18,481 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825456816] [2020-08-18 12:56:18,481 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-08-18 12:56:18,481 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 12:56:18,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-08-18 12:56:18,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=399, Unknown=0, NotChecked=0, Total=462 [2020-08-18 12:56:18,482 INFO L87 Difference]: Start difference. First operand 527 states and 808 transitions. Second operand 22 states. [2020-08-18 12:56:20,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 12:56:20,091 INFO L93 Difference]: Finished difference Result 1279 states and 2262 transitions. [2020-08-18 12:56:20,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2020-08-18 12:56:20,092 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 1212 [2020-08-18 12:56:20,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 12:56:20,102 INFO L225 Difference]: With dead ends: 1279 [2020-08-18 12:56:20,103 INFO L226 Difference]: Without dead ends: 764 [2020-08-18 12:56:20,109 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 415 GetRequests, 358 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 908 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=436, Invalid=2986, Unknown=0, NotChecked=0, Total=3422 [2020-08-18 12:56:20,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 764 states. [2020-08-18 12:56:20,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 764 to 599. [2020-08-18 12:56:20,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 599 states. [2020-08-18 12:56:20,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 914 transitions. [2020-08-18 12:56:20,160 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 914 transitions. Word has length 1212 [2020-08-18 12:56:20,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 12:56:20,161 INFO L479 AbstractCegarLoop]: Abstraction has 599 states and 914 transitions. [2020-08-18 12:56:20,161 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-08-18 12:56:20,161 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 914 transitions. [2020-08-18 12:56:20,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1036 [2020-08-18 12:56:20,171 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 12:56:20,171 INFO L422 BasicCegarLoop]: trace histogram [76, 76, 75, 75, 61, 61, 38, 38, 38, 38, 38, 38, 38, 37, 37, 37, 37, 37, 37, 37, 24, 23, 15, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 12:56:20,172 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-08-18 12:56:20,172 INFO L427 AbstractCegarLoop]: === Iteration 27 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 12:56:20,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 12:56:20,172 INFO L82 PathProgramCache]: Analyzing trace with hash -1627069240, now seen corresponding path program 15 times [2020-08-18 12:56:20,173 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 12:56:20,173 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [326043315] [2020-08-18 12:56:20,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 12:56:20,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:20,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 12:56:20,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:20,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 12:56:20,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:20,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:20,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:21,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:21,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:21,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:21,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:21,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:21,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:21,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:21,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:21,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:56:21,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:56:21,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:21,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:21,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 12:56:21,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:21,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:21,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:21,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:56:21,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 12:56:21,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:21,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:21,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:21,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:21,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:56:21,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:56:21,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:21,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:21,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 12:56:21,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:21,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:21,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:21,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:21,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:21,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:56:21,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:56:21,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:21,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:21,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 12:56:21,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:21,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:21,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:21,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:56:21,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-18 12:56:21,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:21,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:21,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:21,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:21,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:21,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:21,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:56:21,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:56:21,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:21,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:21,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 12:56:21,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:21,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:21,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:21,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:56:21,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 12:56:21,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:21,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:21,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:21,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:21,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:56:21,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:56:21,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:21,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:21,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-08-18 12:56:21,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:21,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:21,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:21,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:21,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:21,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:21,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:21,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:56:21,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:56:21,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:21,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:21,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 12:56:21,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:21,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:21,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:21,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:56:21,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 12:56:21,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:21,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:21,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:21,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:21,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:56:21,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:56:21,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:21,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:21,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 12:56:21,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:21,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:21,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:21,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:21,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:21,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:56:21,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:56:21,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:21,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:21,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 12:56:21,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:21,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:21,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:21,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:21,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:56:21,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:22,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2020-08-18 12:56:22,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:22,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:22,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:22,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:22,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:22,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:22,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:22,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:22,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:22,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:22,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:22,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:22,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:22,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:22,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:22,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:56:22,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:22,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:56:22,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:22,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:22,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:22,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:22,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:22,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 12:56:22,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:22,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:22,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:22,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:22,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:22,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:22,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:22,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:56:22,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:22,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 12:56:22,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:22,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:22,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:22,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:22,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:22,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:22,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:22,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:22,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:22,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:56:22,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:22,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:56:22,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:22,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:22,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:22,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:22,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:22,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 12:56:22,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:22,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:22,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:22,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:22,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:22,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:22,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:22,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:22,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:22,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:22,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:22,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:56:22,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:22,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:56:22,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:22,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:22,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:22,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:22,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:22,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 12:56:22,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:22,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:22,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:22,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 12:56:22,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:22,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:56:22,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:22,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:56:22,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:56:23,581 INFO L134 CoverageAnalysis]: Checked inductivity of 31636 backedges. 2639 proven. 3391 refuted. 0 times theorem prover too weak. 25606 trivial. 0 not checked. [2020-08-18 12:56:23,581 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [326043315] [2020-08-18 12:56:23,581 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 12:56:23,582 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-08-18 12:56:23,582 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546343734] [2020-08-18 12:56:23,582 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-08-18 12:56:23,583 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 12:56:23,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-08-18 12:56:23,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=399, Unknown=0, NotChecked=0, Total=462 [2020-08-18 12:56:23,583 INFO L87 Difference]: Start difference. First operand 599 states and 914 transitions. Second operand 22 states. [2020-08-18 12:56:25,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 12:56:25,067 INFO L93 Difference]: Finished difference Result 1332 states and 2217 transitions. [2020-08-18 12:56:25,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2020-08-18 12:56:25,068 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 1035 [2020-08-18 12:56:25,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 12:56:25,081 INFO L225 Difference]: With dead ends: 1332 [2020-08-18 12:56:25,081 INFO L226 Difference]: Without dead ends: 755 [2020-08-18 12:56:25,088 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 356 GetRequests, 305 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 656 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=343, Invalid=2413, Unknown=0, NotChecked=0, Total=2756 [2020-08-18 12:56:25,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 755 states. [2020-08-18 12:56:25,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 755 to 634. [2020-08-18 12:56:25,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 634 states. [2020-08-18 12:56:25,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 984 transitions. [2020-08-18 12:56:25,142 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 984 transitions. Word has length 1035 [2020-08-18 12:56:25,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 12:56:25,143 INFO L479 AbstractCegarLoop]: Abstraction has 634 states and 984 transitions. [2020-08-18 12:56:25,143 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-08-18 12:56:25,143 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 984 transitions.