/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/recursive/Fibonacci02.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 20:31:31,790 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-21 20:31:31,793 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-21 20:31:31,835 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-21 20:31:31,836 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-21 20:31:31,845 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-21 20:31:31,846 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-21 20:31:31,850 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-21 20:31:31,854 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-21 20:31:31,856 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-21 20:31:31,858 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-21 20:31:31,860 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-21 20:31:31,860 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 20:31:31,864 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 20:31:31,867 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 20:31:31,868 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 20:31:31,870 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 20:31:31,872 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 20:31:31,874 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 20:31:31,882 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 20:31:31,884 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 20:31:31,887 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 20:31:31,888 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 20:31:31,889 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 20:31:31,900 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-21 20:31:31,900 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-21 20:31:31,900 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-21 20:31:31,902 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-21 20:31:31,902 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-21 20:31:31,903 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-21 20:31:31,904 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-21 20:31:31,906 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-21 20:31:31,906 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-21 20:31:31,907 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-21 20:31:31,908 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-21 20:31:31,908 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-21 20:31:31,909 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-21 20:31:31,909 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-21 20:31:31,909 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 20:31:31,910 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 20:31:31,911 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 20:31:31,911 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 [2020-08-21 20:31:31,933 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 20:31:31,933 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 20:31:31,934 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 20:31:31,934 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 20:31:31,935 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 20:31:31,935 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 20:31:31,935 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 20:31:31,935 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 20:31:31,935 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 20:31:31,936 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 20:31:31,936 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 20:31:31,936 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 20:31:31,936 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 20:31:31,936 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 20:31:31,936 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 20:31:31,937 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 20:31:31,937 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 20:31:31,937 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 20:31:31,937 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 20:31:31,937 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 20:31:31,938 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 20:31:31,938 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 20:31:31,938 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 20:31:31,938 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 20:31:31,938 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 20:31:31,939 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 20:31:31,939 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 20:31:31,939 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 20:31:31,939 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 20:31:31,939 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true; [2020-08-21 20:31:32,265 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 20:31:32,285 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 20:31:32,290 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 20:31:32,291 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 20:31:32,292 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 20:31:32,292 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive/Fibonacci02.c [2020-08-21 20:31:32,352 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c198ecabe/b9652bd45ddf4a2db7e9057a0de8be95/FLAGeeaa95ba5 [2020-08-21 20:31:32,812 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 20:31:32,813 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive/Fibonacci02.c [2020-08-21 20:31:32,821 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c198ecabe/b9652bd45ddf4a2db7e9057a0de8be95/FLAGeeaa95ba5 [2020-08-21 20:31:33,195 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c198ecabe/b9652bd45ddf4a2db7e9057a0de8be95 [2020-08-21 20:31:33,206 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 20:31:33,208 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 20:31:33,211 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 20:31:33,211 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 20:31:33,215 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 20:31:33,216 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 08:31:33" (1/1) ... [2020-08-21 20:31:33,219 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66948a6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:31:33, skipping insertion in model container [2020-08-21 20:31:33,220 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 08:31:33" (1/1) ... [2020-08-21 20:31:33,229 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 20:31:33,249 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 20:31:33,402 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 20:31:33,406 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 20:31:33,419 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 20:31:33,433 INFO L208 MainTranslator]: Completed translation [2020-08-21 20:31:33,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:31:33 WrapperNode [2020-08-21 20:31:33,434 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 20:31:33,435 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 20:31:33,435 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 20:31:33,435 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 20:31:33,447 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:31:33" (1/1) ... [2020-08-21 20:31:33,448 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:31:33" (1/1) ... [2020-08-21 20:31:33,530 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:31:33" (1/1) ... [2020-08-21 20:31:33,530 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:31:33" (1/1) ... [2020-08-21 20:31:33,534 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:31:33" (1/1) ... [2020-08-21 20:31:33,537 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:31:33" (1/1) ... [2020-08-21 20:31:33,538 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:31:33" (1/1) ... [2020-08-21 20:31:33,540 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 20:31:33,540 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 20:31:33,540 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 20:31:33,540 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 20:31:33,541 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:31:33" (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 [2020-08-21 20:31:33,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 20:31:33,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 20:31:33,606 INFO L138 BoogieDeclarations]: Found implementation of procedure fibonacci [2020-08-21 20:31:33,607 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 20:31:33,607 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 20:31:33,607 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 20:31:33,607 INFO L130 BoogieDeclarations]: Found specification of procedure fibonacci [2020-08-21 20:31:33,608 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 20:31:33,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 20:31:33,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 20:31:33,774 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 20:31:33,774 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-08-21 20:31:33,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 08:31:33 BoogieIcfgContainer [2020-08-21 20:31:33,778 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 20:31:33,780 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 20:31:33,780 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 20:31:33,783 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 20:31:33,783 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 08:31:33" (1/3) ... [2020-08-21 20:31:33,784 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7803f67d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 08:31:33, skipping insertion in model container [2020-08-21 20:31:33,784 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:31:33" (2/3) ... [2020-08-21 20:31:33,785 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7803f67d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 08:31:33, skipping insertion in model container [2020-08-21 20:31:33,785 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 08:31:33" (3/3) ... [2020-08-21 20:31:33,787 INFO L109 eAbstractionObserver]: Analyzing ICFG Fibonacci02.c [2020-08-21 20:31:33,798 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 20:31:33,806 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 20:31:33,822 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 20:31:33,867 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 20:31:33,867 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 20:31:33,867 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 20:31:33,868 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 20:31:33,868 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 20:31:33,868 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 20:31:33,869 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 20:31:33,869 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 20:31:33,896 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2020-08-21 20:31:33,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-08-21 20:31:33,905 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:31:33,907 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 20:31:33,907 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:31:33,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:31:33,915 INFO L82 PathProgramCache]: Analyzing trace with hash -1356498376, now seen corresponding path program 1 times [2020-08-21 20:31:33,925 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:31:33,925 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1052543635] [2020-08-21 20:31:33,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:31:34,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:34,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:31:34,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:34,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 20:31:34,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:34,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 20:31:34,157 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1052543635] [2020-08-21 20:31:34,159 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 20:31:34,160 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-21 20:31:34,161 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014991760] [2020-08-21 20:31:34,166 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 20:31:34,167 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:31:34,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 20:31:34,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-08-21 20:31:34,184 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 5 states. [2020-08-21 20:31:34,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:31:34,282 INFO L93 Difference]: Finished difference Result 33 states and 39 transitions. [2020-08-21 20:31:34,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-21 20:31:34,284 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-08-21 20:31:34,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:31:34,294 INFO L225 Difference]: With dead ends: 33 [2020-08-21 20:31:34,294 INFO L226 Difference]: Without dead ends: 21 [2020-08-21 20:31:34,298 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 [2020-08-21 20:31:34,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2020-08-21 20:31:34,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2020-08-21 20:31:34,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-08-21 20:31:34,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2020-08-21 20:31:34,345 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 13 [2020-08-21 20:31:34,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:31:34,345 INFO L479 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2020-08-21 20:31:34,346 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 20:31:34,346 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2020-08-21 20:31:34,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-08-21 20:31:34,348 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:31:34,348 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 20:31:34,348 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 20:31:34,349 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:31:34,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:31:34,349 INFO L82 PathProgramCache]: Analyzing trace with hash 1591396412, now seen corresponding path program 1 times [2020-08-21 20:31:34,349 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:31:34,350 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [102197569] [2020-08-21 20:31:34,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:31:34,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:34,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:31:34,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:34,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 20:31:34,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:34,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 20:31:34,424 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [102197569] [2020-08-21 20:31:34,424 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 20:31:34,424 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-21 20:31:34,425 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054401564] [2020-08-21 20:31:34,427 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 20:31:34,428 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:31:34,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 20:31:34,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-08-21 20:31:34,429 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. Second operand 5 states. [2020-08-21 20:31:34,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:31:34,490 INFO L93 Difference]: Finished difference Result 27 states and 32 transitions. [2020-08-21 20:31:34,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-21 20:31:34,491 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-08-21 20:31:34,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:31:34,493 INFO L225 Difference]: With dead ends: 27 [2020-08-21 20:31:34,493 INFO L226 Difference]: Without dead ends: 23 [2020-08-21 20:31:34,494 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 [2020-08-21 20:31:34,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2020-08-21 20:31:34,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 21. [2020-08-21 20:31:34,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-08-21 20:31:34,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2020-08-21 20:31:34,504 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 14 [2020-08-21 20:31:34,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:31:34,504 INFO L479 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2020-08-21 20:31:34,505 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 20:31:34,505 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2020-08-21 20:31:34,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-08-21 20:31:34,506 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:31:34,507 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 20:31:34,507 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 20:31:34,507 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:31:34,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:31:34,508 INFO L82 PathProgramCache]: Analyzing trace with hash -1761048597, now seen corresponding path program 1 times [2020-08-21 20:31:34,508 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:31:34,509 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1123690682] [2020-08-21 20:31:34,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:31:34,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:34,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:31:34,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:34,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 20:31:34,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:34,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:34,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:34,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 20:31:34,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:34,649 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-08-21 20:31:34,650 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1123690682] [2020-08-21 20:31:34,650 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 20:31:34,650 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-21 20:31:34,651 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030263715] [2020-08-21 20:31:34,651 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 20:31:34,652 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:31:34,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 20:31:34,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-08-21 20:31:34,653 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. Second operand 7 states. [2020-08-21 20:31:34,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:31:34,753 INFO L93 Difference]: Finished difference Result 38 states and 49 transitions. [2020-08-21 20:31:34,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-21 20:31:34,754 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2020-08-21 20:31:34,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:31:34,755 INFO L225 Difference]: With dead ends: 38 [2020-08-21 20:31:34,756 INFO L226 Difference]: Without dead ends: 23 [2020-08-21 20:31:34,757 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-08-21 20:31:34,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2020-08-21 20:31:34,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2020-08-21 20:31:34,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-08-21 20:31:34,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2020-08-21 20:31:34,766 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 26 [2020-08-21 20:31:34,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:31:34,766 INFO L479 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2020-08-21 20:31:34,766 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 20:31:34,767 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2020-08-21 20:31:34,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-08-21 20:31:34,768 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:31:34,769 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 20:31:34,769 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 20:31:34,769 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:31:34,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:31:34,770 INFO L82 PathProgramCache]: Analyzing trace with hash -624449707, now seen corresponding path program 1 times [2020-08-21 20:31:34,771 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:31:34,771 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1685815981] [2020-08-21 20:31:34,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:31:34,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:34,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:31:34,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:34,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 20:31:34,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:34,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:34,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:34,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:34,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:34,959 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-08-21 20:31:34,959 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1685815981] [2020-08-21 20:31:34,960 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 20:31:34,960 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-08-21 20:31:34,960 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690707090] [2020-08-21 20:31:34,962 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-21 20:31:34,963 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:31:34,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-21 20:31:34,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-08-21 20:31:34,965 INFO L87 Difference]: Start difference. First operand 23 states and 27 transitions. Second operand 6 states. [2020-08-21 20:31:35,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:31:35,101 INFO L93 Difference]: Finished difference Result 41 states and 55 transitions. [2020-08-21 20:31:35,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-21 20:31:35,102 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 27 [2020-08-21 20:31:35,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:31:35,104 INFO L225 Difference]: With dead ends: 41 [2020-08-21 20:31:35,104 INFO L226 Difference]: Without dead ends: 37 [2020-08-21 20:31:35,105 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-08-21 20:31:35,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-08-21 20:31:35,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2020-08-21 20:31:35,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-08-21 20:31:35,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 51 transitions. [2020-08-21 20:31:35,117 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 51 transitions. Word has length 27 [2020-08-21 20:31:35,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:31:35,118 INFO L479 AbstractCegarLoop]: Abstraction has 37 states and 51 transitions. [2020-08-21 20:31:35,118 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-21 20:31:35,118 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 51 transitions. [2020-08-21 20:31:35,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-08-21 20:31:35,120 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:31:35,121 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 20:31:35,121 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 20:31:35,121 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:31:35,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:31:35,122 INFO L82 PathProgramCache]: Analyzing trace with hash -111055954, now seen corresponding path program 2 times [2020-08-21 20:31:35,122 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:31:35,122 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [802667673] [2020-08-21 20:31:35,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:31:35,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:35,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:31:35,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:35,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 20:31:35,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:35,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:35,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:35,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:35,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:35,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:35,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:35,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:35,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:35,268 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-08-21 20:31:35,268 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [802667673] [2020-08-21 20:31:35,269 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 20:31:35,269 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-21 20:31:35,269 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299983147] [2020-08-21 20:31:35,270 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 20:31:35,270 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:31:35,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 20:31:35,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-21 20:31:35,271 INFO L87 Difference]: Start difference. First operand 37 states and 51 transitions. Second operand 8 states. [2020-08-21 20:31:35,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:31:35,409 INFO L93 Difference]: Finished difference Result 79 states and 124 transitions. [2020-08-21 20:31:35,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-21 20:31:35,410 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 40 [2020-08-21 20:31:35,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:31:35,412 INFO L225 Difference]: With dead ends: 79 [2020-08-21 20:31:35,412 INFO L226 Difference]: Without dead ends: 48 [2020-08-21 20:31:35,413 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-08-21 20:31:35,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2020-08-21 20:31:35,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 42. [2020-08-21 20:31:35,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-08-21 20:31:35,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 57 transitions. [2020-08-21 20:31:35,426 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 57 transitions. Word has length 40 [2020-08-21 20:31:35,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:31:35,427 INFO L479 AbstractCegarLoop]: Abstraction has 42 states and 57 transitions. [2020-08-21 20:31:35,427 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 20:31:35,427 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 57 transitions. [2020-08-21 20:31:35,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-08-21 20:31:35,429 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:31:35,429 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 20:31:35,429 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-21 20:31:35,430 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:31:35,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:31:35,430 INFO L82 PathProgramCache]: Analyzing trace with hash 380905728, now seen corresponding path program 3 times [2020-08-21 20:31:35,430 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:31:35,431 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [120948924] [2020-08-21 20:31:35,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:31:35,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:35,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:31:35,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:35,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 20:31:35,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:35,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:35,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:35,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:35,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:35,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:35,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:35,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:35,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:35,551 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 6 proven. 24 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-08-21 20:31:35,552 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [120948924] [2020-08-21 20:31:35,552 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 20:31:35,552 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-21 20:31:35,552 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058812232] [2020-08-21 20:31:35,553 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 20:31:35,553 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:31:35,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 20:31:35,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-21 20:31:35,554 INFO L87 Difference]: Start difference. First operand 42 states and 57 transitions. Second operand 7 states. [2020-08-21 20:31:35,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:31:35,660 INFO L93 Difference]: Finished difference Result 65 states and 93 transitions. [2020-08-21 20:31:35,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-21 20:31:35,661 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 41 [2020-08-21 20:31:35,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:31:35,663 INFO L225 Difference]: With dead ends: 65 [2020-08-21 20:31:35,663 INFO L226 Difference]: Without dead ends: 61 [2020-08-21 20:31:35,664 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-08-21 20:31:35,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2020-08-21 20:31:35,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 58. [2020-08-21 20:31:35,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2020-08-21 20:31:35,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 84 transitions. [2020-08-21 20:31:35,679 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 84 transitions. Word has length 41 [2020-08-21 20:31:35,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:31:35,679 INFO L479 AbstractCegarLoop]: Abstraction has 58 states and 84 transitions. [2020-08-21 20:31:35,679 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 20:31:35,679 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 84 transitions. [2020-08-21 20:31:35,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-08-21 20:31:35,683 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:31:35,683 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 9, 5, 5, 5, 5, 5, 5, 5, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 20:31:35,683 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-21 20:31:35,684 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:31:35,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:31:35,684 INFO L82 PathProgramCache]: Analyzing trace with hash -1541039141, now seen corresponding path program 4 times [2020-08-21 20:31:35,684 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:31:35,685 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2058432979] [2020-08-21 20:31:35,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:31:35,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:35,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:31:35,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:35,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 20:31:35,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:35,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:35,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:35,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:35,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:35,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:35,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:35,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:35,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:35,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:35,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:35,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:31:35,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:35,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:35,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:35,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:35,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:35,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:35,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:35,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:35,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:35,963 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 77 proven. 104 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2020-08-21 20:31:35,964 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2058432979] [2020-08-21 20:31:35,964 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 20:31:35,964 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-21 20:31:35,965 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593251896] [2020-08-21 20:31:35,966 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-21 20:31:35,966 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:31:35,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-21 20:31:35,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2020-08-21 20:31:35,967 INFO L87 Difference]: Start difference. First operand 58 states and 84 transitions. Second operand 11 states. [2020-08-21 20:31:36,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:31:36,305 INFO L93 Difference]: Finished difference Result 107 states and 178 transitions. [2020-08-21 20:31:36,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-08-21 20:31:36,305 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 82 [2020-08-21 20:31:36,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:31:36,308 INFO L225 Difference]: With dead ends: 107 [2020-08-21 20:31:36,309 INFO L226 Difference]: Without dead ends: 57 [2020-08-21 20:31:36,310 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=100, Invalid=280, Unknown=0, NotChecked=0, Total=380 [2020-08-21 20:31:36,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-08-21 20:31:36,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 54. [2020-08-21 20:31:36,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-08-21 20:31:36,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 70 transitions. [2020-08-21 20:31:36,321 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 70 transitions. Word has length 82 [2020-08-21 20:31:36,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:31:36,321 INFO L479 AbstractCegarLoop]: Abstraction has 54 states and 70 transitions. [2020-08-21 20:31:36,322 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-21 20:31:36,322 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 70 transitions. [2020-08-21 20:31:36,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-08-21 20:31:36,326 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:31:36,327 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 17, 10, 10, 10, 10, 10, 10, 10, 7, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 20:31:36,327 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-21 20:31:36,327 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:31:36,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:31:36,328 INFO L82 PathProgramCache]: Analyzing trace with hash 1110256604, now seen corresponding path program 5 times [2020-08-21 20:31:36,328 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:31:36,328 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2113229833] [2020-08-21 20:31:36,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:31:36,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:36,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:31:36,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:36,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 20:31:36,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:36,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:36,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:36,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:36,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:36,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:36,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:36,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:36,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:36,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:36,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:36,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:36,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:36,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:31:36,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:36,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:36,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:36,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:36,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:36,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 20:31:36,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:36,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:36,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:36,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:36,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:36,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:36,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:36,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:36,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:36,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:36,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:36,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:36,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:36,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:31:36,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:36,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:36,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:36,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:36,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:36,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 20:31:36,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:36,688 INFO L134 CoverageAnalysis]: Checked inductivity of 1156 backedges. 57 proven. 377 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2020-08-21 20:31:36,688 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2113229833] [2020-08-21 20:31:36,689 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 20:31:36,689 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-08-21 20:31:36,689 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466176310] [2020-08-21 20:31:36,691 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-21 20:31:36,692 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:31:36,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-21 20:31:36,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-08-21 20:31:36,693 INFO L87 Difference]: Start difference. First operand 54 states and 70 transitions. Second operand 9 states. [2020-08-21 20:31:36,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:31:36,901 INFO L93 Difference]: Finished difference Result 124 states and 186 transitions. [2020-08-21 20:31:36,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-21 20:31:36,904 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 150 [2020-08-21 20:31:36,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:31:36,907 INFO L225 Difference]: With dead ends: 124 [2020-08-21 20:31:36,909 INFO L226 Difference]: Without dead ends: 120 [2020-08-21 20:31:36,910 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2020-08-21 20:31:36,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-08-21 20:31:36,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 111. [2020-08-21 20:31:36,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-08-21 20:31:36,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 168 transitions. [2020-08-21 20:31:36,949 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 168 transitions. Word has length 150 [2020-08-21 20:31:36,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:31:36,951 INFO L479 AbstractCegarLoop]: Abstraction has 111 states and 168 transitions. [2020-08-21 20:31:36,951 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-21 20:31:36,951 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 168 transitions. [2020-08-21 20:31:36,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-08-21 20:31:36,956 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:31:36,957 INFO L422 BasicCegarLoop]: trace histogram [25, 25, 20, 12, 12, 12, 12, 12, 12, 12, 8, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 20:31:36,960 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-21 20:31:36,961 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:31:36,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:31:36,961 INFO L82 PathProgramCache]: Analyzing trace with hash 1442326180, now seen corresponding path program 6 times [2020-08-21 20:31:36,961 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:31:36,962 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [54303711] [2020-08-21 20:31:36,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:31:36,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:37,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:31:37,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:37,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 20:31:37,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:37,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:37,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:37,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:37,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:37,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:37,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:37,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:37,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:37,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:37,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:37,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:37,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:37,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:37,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:37,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:31:37,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:37,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:37,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:37,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:37,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:37,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 20:31:37,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:37,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:37,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:37,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:37,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:37,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:37,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:37,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:37,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:37,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 20:31:37,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:37,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:37,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:37,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:37,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:37,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:37,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:37,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:37,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:37,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:37,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:37,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:31:37,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:37,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:37,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:37,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:37,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:37,432 INFO L134 CoverageAnalysis]: Checked inductivity of 1654 backedges. 93 proven. 533 refuted. 0 times theorem prover too weak. 1028 trivial. 0 not checked. [2020-08-21 20:31:37,432 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [54303711] [2020-08-21 20:31:37,433 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 20:31:37,433 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-21 20:31:37,433 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954747577] [2020-08-21 20:31:37,434 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-21 20:31:37,434 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:31:37,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-21 20:31:37,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-08-21 20:31:37,435 INFO L87 Difference]: Start difference. First operand 111 states and 168 transitions. Second operand 10 states. [2020-08-21 20:31:37,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:31:37,665 INFO L93 Difference]: Finished difference Result 248 states and 416 transitions. [2020-08-21 20:31:37,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-08-21 20:31:37,666 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 177 [2020-08-21 20:31:37,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:31:37,671 INFO L225 Difference]: With dead ends: 248 [2020-08-21 20:31:37,671 INFO L226 Difference]: Without dead ends: 244 [2020-08-21 20:31:37,672 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=86, Invalid=154, Unknown=0, NotChecked=0, Total=240 [2020-08-21 20:31:37,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2020-08-21 20:31:37,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 232. [2020-08-21 20:31:37,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 232 states. [2020-08-21 20:31:37,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 394 transitions. [2020-08-21 20:31:37,706 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 394 transitions. Word has length 177 [2020-08-21 20:31:37,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:31:37,707 INFO L479 AbstractCegarLoop]: Abstraction has 232 states and 394 transitions. [2020-08-21 20:31:37,707 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-21 20:31:37,707 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 394 transitions. [2020-08-21 20:31:37,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2020-08-21 20:31:37,713 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:31:37,713 INFO L422 BasicCegarLoop]: trace histogram [47, 47, 38, 23, 23, 23, 23, 23, 23, 23, 15, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 20:31:37,714 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-21 20:31:37,714 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:31:37,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:31:37,714 INFO L82 PathProgramCache]: Analyzing trace with hash 1795105459, now seen corresponding path program 7 times [2020-08-21 20:31:37,715 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:31:37,715 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1099287451] [2020-08-21 20:31:37,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:31:37,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:37,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:31:37,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:37,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 20:31:37,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:37,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:38,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:38,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:38,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:38,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:38,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:38,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:38,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:38,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:38,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:38,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:38,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:38,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:38,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:38,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:38,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:38,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:31:38,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:38,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:38,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:38,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:38,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:38,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 20:31:38,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:38,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:38,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:38,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:38,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:38,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:38,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:38,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:38,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:38,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 20:31:38,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:38,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:38,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:38,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:38,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:38,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:38,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:38,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:38,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:38,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:38,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:38,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:31:38,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:38,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:38,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:38,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:38,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:38,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 20:31:38,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:38,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:38,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:38,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:38,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:38,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:38,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:38,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:38,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:38,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:38,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:38,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:38,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:38,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:38,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:38,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:31:38,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:38,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:38,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:38,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:38,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:38,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 20:31:38,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:38,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:38,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:38,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:38,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:38,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:38,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:38,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:38,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:38,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 20:31:38,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:38,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:38,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:38,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:38,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:38,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:38,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:38,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:38,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:38,754 INFO L134 CoverageAnalysis]: Checked inductivity of 6039 backedges. 1358 proven. 1342 refuted. 0 times theorem prover too weak. 3339 trivial. 0 not checked. [2020-08-21 20:31:38,754 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1099287451] [2020-08-21 20:31:38,755 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 20:31:38,755 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-08-21 20:31:38,755 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552230828] [2020-08-21 20:31:38,756 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-08-21 20:31:38,757 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:31:38,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-08-21 20:31:38,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=219, Unknown=0, NotChecked=0, Total=272 [2020-08-21 20:31:38,758 INFO L87 Difference]: Start difference. First operand 232 states and 394 transitions. Second operand 17 states. [2020-08-21 20:31:39,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:31:39,634 INFO L93 Difference]: Finished difference Result 344 states and 667 transitions. [2020-08-21 20:31:39,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-08-21 20:31:39,634 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 327 [2020-08-21 20:31:39,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:31:39,637 INFO L225 Difference]: With dead ends: 344 [2020-08-21 20:31:39,638 INFO L226 Difference]: Without dead ends: 125 [2020-08-21 20:31:39,641 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 356 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=335, Invalid=1305, Unknown=0, NotChecked=0, Total=1640 [2020-08-21 20:31:39,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-08-21 20:31:39,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 100. [2020-08-21 20:31:39,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-08-21 20:31:39,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 140 transitions. [2020-08-21 20:31:39,653 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 140 transitions. Word has length 327 [2020-08-21 20:31:39,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:31:39,654 INFO L479 AbstractCegarLoop]: Abstraction has 100 states and 140 transitions. [2020-08-21 20:31:39,654 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-08-21 20:31:39,654 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 140 transitions. [2020-08-21 20:31:39,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 573 [2020-08-21 20:31:39,671 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:31:39,671 INFO L422 BasicCegarLoop]: trace histogram [83, 83, 67, 41, 41, 41, 41, 41, 41, 41, 26, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 20:31:39,671 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-21 20:31:39,671 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:31:39,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:31:39,672 INFO L82 PathProgramCache]: Analyzing trace with hash -1052494023, now seen corresponding path program 8 times [2020-08-21 20:31:39,672 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:31:39,673 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [933086140] [2020-08-21 20:31:39,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:31:39,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:39,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:31:39,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:39,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 20:31:40,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:40,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:40,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:40,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:40,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:40,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:40,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:40,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:40,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:40,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:40,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:40,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:40,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:40,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:40,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:40,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:40,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:40,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:40,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:40,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:31:40,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:40,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:40,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:40,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:40,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:40,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 20:31:40,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:40,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:40,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:40,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:40,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:40,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:40,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:40,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:40,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:40,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 20:31:40,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:40,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:40,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:40,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:40,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:40,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:40,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:40,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:40,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:40,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:40,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:40,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:31:40,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:40,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:40,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:40,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:40,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:40,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 20:31:40,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:40,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:40,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:40,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:40,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:40,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:40,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:40,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:40,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:40,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:40,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:40,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:40,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:40,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:31:40,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:40,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:40,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:40,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:40,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:40,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 20:31:40,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:40,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:40,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:40,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:40,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:40,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:40,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:40,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:40,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:40,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-21 20:31:40,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:40,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:40,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:40,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:40,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:40,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:40,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:40,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:40,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:40,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:40,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:41,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:41,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:41,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:31:41,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:41,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:41,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 20:31:41,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:41,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:41,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:41,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:41,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 20:31:41,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:41,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:41,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:41,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:41,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:41,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:31:41,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:41,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:41,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 20:31:41,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:41,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:41,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:41,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:41,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:41,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:41,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:31:41,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:41,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:41,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 20:31:41,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:41,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:41,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:41,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:41,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,625 INFO L134 CoverageAnalysis]: Checked inductivity of 19103 backedges. 1851 proven. 3572 refuted. 0 times theorem prover too weak. 13680 trivial. 0 not checked. [2020-08-21 20:31:41,625 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [933086140] [2020-08-21 20:31:41,625 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 20:31:41,625 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-08-21 20:31:41,626 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895671802] [2020-08-21 20:31:41,627 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-08-21 20:31:41,627 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:31:41,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-08-21 20:31:41,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=270, Unknown=0, NotChecked=0, Total=342 [2020-08-21 20:31:41,628 INFO L87 Difference]: Start difference. First operand 100 states and 140 transitions. Second operand 19 states. [2020-08-21 20:31:42,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:31:42,563 INFO L93 Difference]: Finished difference Result 237 states and 432 transitions. [2020-08-21 20:31:42,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2020-08-21 20:31:42,563 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 572 [2020-08-21 20:31:42,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:31:42,567 INFO L225 Difference]: With dead ends: 237 [2020-08-21 20:31:42,567 INFO L226 Difference]: Without dead ends: 147 [2020-08-21 20:31:42,571 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 528 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=447, Invalid=1809, Unknown=0, NotChecked=0, Total=2256 [2020-08-21 20:31:42,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2020-08-21 20:31:42,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 129. [2020-08-21 20:31:42,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2020-08-21 20:31:42,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 193 transitions. [2020-08-21 20:31:42,587 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 193 transitions. Word has length 572 [2020-08-21 20:31:42,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:31:42,589 INFO L479 AbstractCegarLoop]: Abstraction has 129 states and 193 transitions. [2020-08-21 20:31:42,589 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-08-21 20:31:42,589 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 193 transitions. [2020-08-21 20:31:42,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 927 [2020-08-21 20:31:42,618 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:31:42,619 INFO L422 BasicCegarLoop]: trace histogram [135, 135, 109, 67, 67, 67, 67, 67, 67, 67, 42, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 20:31:42,619 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-08-21 20:31:42,619 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:31:42,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:31:42,620 INFO L82 PathProgramCache]: Analyzing trace with hash 746131961, now seen corresponding path program 9 times [2020-08-21 20:31:42,620 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:31:42,621 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1721714765] [2020-08-21 20:31:42,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:31:42,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:43,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:31:43,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:43,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 20:31:43,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:43,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:43,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:44,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:44,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:44,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:44,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:44,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:44,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:44,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:44,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:44,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:31:44,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:44,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:44,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 20:31:44,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:44,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:44,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:44,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:44,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 20:31:44,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:44,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:44,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:44,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:44,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:44,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:31:44,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:44,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:44,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 20:31:44,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:44,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:44,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:44,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:44,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:44,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:44,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:31:44,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:44,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:44,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 20:31:44,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:44,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:44,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:44,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:44,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-21 20:31:44,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:44,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:44,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:44,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:44,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:44,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:44,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:44,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:31:44,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:44,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:44,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 20:31:44,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:44,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:44,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:44,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:44,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 20:31:44,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:44,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:44,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:44,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:44,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:44,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:31:44,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:44,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:44,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:45,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-08-21 20:31:45,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:45,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:45,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:45,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:45,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:45,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:45,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:45,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:45,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:45,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:45,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:45,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:45,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:45,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:45,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:45,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:45,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:45,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:45,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:45,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:31:45,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:45,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:45,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:45,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:45,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:45,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 20:31:45,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:45,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:45,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:45,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:45,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:45,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:45,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:45,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:45,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:45,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 20:31:45,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:45,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:45,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:45,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:45,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:45,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:45,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:45,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:45,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:45,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:45,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:45,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:31:45,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:45,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:45,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:45,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:45,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:45,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 20:31:45,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:45,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:45,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:45,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:45,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:45,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:45,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:45,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:45,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:45,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:45,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:45,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:45,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:45,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:31:45,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:45,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:45,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:46,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:46,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:46,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 20:31:46,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:46,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:46,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:46,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:46,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:46,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:46,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:46,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:46,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:46,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-21 20:31:46,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:46,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:46,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:46,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:46,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:46,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:46,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:46,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:46,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:46,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:46,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:46,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:46,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:46,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:46,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:46,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:31:46,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:46,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:46,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:46,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:46,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:46,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 20:31:46,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:46,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:46,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:46,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:46,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:46,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:46,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:46,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:46,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:46,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 20:31:46,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:46,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:46,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:46,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:46,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:46,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:46,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:46,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:46,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:46,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:46,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:46,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:31:46,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:46,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:46,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:46,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:46,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:47,184 INFO L134 CoverageAnalysis]: Checked inductivity of 50910 backedges. 3574 proven. 7108 refuted. 0 times theorem prover too weak. 40228 trivial. 0 not checked. [2020-08-21 20:31:47,184 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1721714765] [2020-08-21 20:31:47,184 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 20:31:47,185 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-08-21 20:31:47,185 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543017743] [2020-08-21 20:31:47,186 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-08-21 20:31:47,186 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:31:47,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-08-21 20:31:47,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=331, Unknown=0, NotChecked=0, Total=420 [2020-08-21 20:31:47,187 INFO L87 Difference]: Start difference. First operand 129 states and 193 transitions. Second operand 21 states. [2020-08-21 20:31:48,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:31:48,272 INFO L93 Difference]: Finished difference Result 279 states and 515 transitions. [2020-08-21 20:31:48,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2020-08-21 20:31:48,272 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 926 [2020-08-21 20:31:48,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:31:48,277 INFO L225 Difference]: With dead ends: 279 [2020-08-21 20:31:48,277 INFO L226 Difference]: Without dead ends: 172 [2020-08-21 20:31:48,280 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 274 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 686 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=550, Invalid=2312, Unknown=0, NotChecked=0, Total=2862 [2020-08-21 20:31:48,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2020-08-21 20:31:48,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 147. [2020-08-21 20:31:48,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2020-08-21 20:31:48,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 225 transitions. [2020-08-21 20:31:48,297 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 225 transitions. Word has length 926 [2020-08-21 20:31:48,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:31:48,300 INFO L479 AbstractCegarLoop]: Abstraction has 147 states and 225 transitions. [2020-08-21 20:31:48,300 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-08-21 20:31:48,300 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 225 transitions. [2020-08-21 20:31:48,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 750 [2020-08-21 20:31:48,323 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:31:48,323 INFO L422 BasicCegarLoop]: trace histogram [109, 109, 88, 54, 54, 54, 54, 54, 54, 54, 34, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 20:31:48,324 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-08-21 20:31:48,324 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:31:48,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:31:48,324 INFO L82 PathProgramCache]: Analyzing trace with hash 1616877860, now seen corresponding path program 10 times [2020-08-21 20:31:48,325 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:31:48,325 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1939450389] [2020-08-21 20:31:48,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:31:48,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:49,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:31:49,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:49,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 20:31:49,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:49,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:49,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:50,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:50,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:50,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:50,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:50,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:50,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:50,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:50,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:50,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:50,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:50,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:50,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:50,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:50,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:50,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:50,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:50,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:50,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:50,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:31:50,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:50,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:50,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:50,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:50,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:50,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 20:31:50,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:50,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:50,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:50,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:50,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:50,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:50,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:50,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:50,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:50,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 20:31:50,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:50,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:50,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:50,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:50,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:50,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:50,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:50,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:51,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:51,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:51,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:51,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:31:51,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:51,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:51,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:51,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:51,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:51,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 20:31:51,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:51,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:51,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:51,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:51,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:51,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:51,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:51,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:51,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:51,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:51,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:51,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:51,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:51,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:31:51,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:51,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:51,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:51,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:51,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:51,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 20:31:51,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:51,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:51,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:51,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:51,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:51,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:51,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:51,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:51,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:51,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-21 20:31:51,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:51,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:51,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:51,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:51,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:51,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:51,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:51,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:51,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:51,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:51,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:51,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:51,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:51,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:51,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:51,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:31:51,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:51,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:51,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:51,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:51,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:51,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 20:31:51,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:51,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:51,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:51,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:51,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:51,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:51,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:51,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:51,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:51,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 20:31:51,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:51,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:51,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:51,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:51,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:51,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:51,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:51,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:51,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:51,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:51,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:51,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:31:51,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:51,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:51,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:51,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:51,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:52,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-08-21 20:31:52,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:52,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:52,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:52,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:52,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:52,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:52,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:52,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:52,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:52,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:52,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:52,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:52,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:52,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:52,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:52,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:52,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:52,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:31:52,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:52,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:52,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:52,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:52,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:52,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 20:31:52,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:52,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:52,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:52,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:52,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:52,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:52,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:52,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:52,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:52,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 20:31:52,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:52,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:52,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:52,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:52,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:52,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:52,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:52,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:52,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:52,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:52,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:52,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:31:52,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:52,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:52,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:52,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:52,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:52,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 20:31:52,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:52,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:52,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:52,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:52,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:52,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:52,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:52,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:52,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:52,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:52,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:52,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:52,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:52,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:31:52,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:52,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:52,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:52,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:52,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:52,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 20:31:52,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:52,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:52,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:52,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:52,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:52,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:52,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:52,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:52,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:54,056 INFO L134 CoverageAnalysis]: Checked inductivity of 33096 backedges. 0 proven. 10899 refuted. 0 times theorem prover too weak. 22197 trivial. 0 not checked. [2020-08-21 20:31:54,056 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1939450389] [2020-08-21 20:31:54,056 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 20:31:54,057 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2020-08-21 20:31:54,057 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577467090] [2020-08-21 20:31:54,058 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-08-21 20:31:54,058 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:31:54,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-08-21 20:31:54,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=703, Unknown=0, NotChecked=0, Total=756 [2020-08-21 20:31:54,059 INFO L87 Difference]: Start difference. First operand 147 states and 225 transitions. Second operand 28 states. [2020-08-21 20:31:54,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:31:54,751 INFO L93 Difference]: Finished difference Result 160 states and 260 transitions. [2020-08-21 20:31:54,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-08-21 20:31:54,751 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 749 [2020-08-21 20:31:54,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:31:54,755 INFO L225 Difference]: With dead ends: 160 [2020-08-21 20:31:54,755 INFO L226 Difference]: Without dead ends: 156 [2020-08-21 20:31:54,756 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 449 GetRequests, 415 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=85, Invalid=1175, Unknown=0, NotChecked=0, Total=1260 [2020-08-21 20:31:54,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2020-08-21 20:31:54,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 155. [2020-08-21 20:31:54,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2020-08-21 20:31:54,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 250 transitions. [2020-08-21 20:31:54,771 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 250 transitions. Word has length 749 [2020-08-21 20:31:54,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:31:54,771 INFO L479 AbstractCegarLoop]: Abstraction has 155 states and 250 transitions. [2020-08-21 20:31:54,771 INFO L480 AbstractCegarLoop]: Interpolant automaton has 28 states. [2020-08-21 20:31:54,771 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 250 transitions. [2020-08-21 20:31:54,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 927 [2020-08-21 20:31:54,779 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:31:54,780 INFO L422 BasicCegarLoop]: trace histogram [135, 135, 109, 67, 67, 67, 67, 67, 67, 67, 42, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 20:31:54,780 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-08-21 20:31:54,780 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:31:54,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:31:54,781 INFO L82 PathProgramCache]: Analyzing trace with hash -1106954389, now seen corresponding path program 11 times [2020-08-21 20:31:54,781 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:31:54,781 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [65325175] [2020-08-21 20:31:54,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:31:54,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:55,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:31:55,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:55,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 20:31:55,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:55,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:56,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:56,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:56,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:56,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:56,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:56,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:56,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:56,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:56,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:56,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:56,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:56,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:56,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:56,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:56,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:56,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:56,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:56,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:56,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:56,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:56,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:56,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:31:56,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:56,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:56,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:56,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:56,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:56,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 20:31:56,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:56,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:56,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:56,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:56,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:56,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:56,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:56,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:56,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:56,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 20:31:56,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:56,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:56,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:56,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:56,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:56,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:56,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:56,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:56,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:56,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:56,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:56,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:31:56,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:56,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:56,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:56,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:56,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:56,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 20:31:56,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:56,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:56,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:56,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:56,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:56,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:56,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:56,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:56,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:56,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:56,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:56,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:56,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:56,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:31:56,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:56,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:56,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:56,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:56,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:56,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 20:31:56,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:56,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:56,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:56,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:56,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:56,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:56,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:56,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:56,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:56,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-21 20:31:56,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:56,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:56,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:56,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:56,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:56,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:56,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:56,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:56,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:56,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:56,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:56,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:56,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:56,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:56,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:56,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:31:56,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:56,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:56,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:56,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:56,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:56,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 20:31:56,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:56,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:56,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:56,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:56,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:56,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:56,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:56,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:56,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:56,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 20:31:56,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:56,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:56,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:56,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:56,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:56,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:56,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:56,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:56,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:56,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:56,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:56,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:31:56,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:56,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:56,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:56,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:56,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:56,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-08-21 20:31:57,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:57,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:57,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:57,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:57,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:57,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:57,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:57,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:57,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:57,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:57,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:57,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:57,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:57,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:57,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:57,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:31:57,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:57,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:57,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:57,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:57,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:57,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 20:31:57,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:57,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:57,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:57,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:57,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:57,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:57,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:57,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:57,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:57,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 20:31:57,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:57,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:57,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:57,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:57,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:57,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:57,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:57,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:57,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:57,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:57,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:57,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:31:57,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:57,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:57,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:57,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:57,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:57,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 636 [2020-08-21 20:31:57,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:57,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:57,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:57,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:57,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:57,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:57,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:57,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:57,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:57,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:57,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:57,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:57,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:57,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:57,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:57,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:57,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:57,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:31:57,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:57,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:57,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:57,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:57,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:57,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 20:31:57,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:57,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:57,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:57,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:57,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:57,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:57,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:57,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:57,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:57,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 20:31:57,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:57,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:57,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:57,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:57,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:57,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:57,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:57,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:57,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:57,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:57,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:57,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:31:57,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:57,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:57,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:57,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:57,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:57,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 20:31:57,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:57,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:57,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:57,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:57,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:57,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:57,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:57,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:57,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:57,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:57,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:57,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:57,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:57,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:31:57,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:57,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:57,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:57,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:57,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:57,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 20:31:57,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:57,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:57,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:57,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:57,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:57,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:57,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:57,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:57,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:58,446 INFO L134 CoverageAnalysis]: Checked inductivity of 50910 backedges. 3241 proven. 6582 refuted. 0 times theorem prover too weak. 41087 trivial. 0 not checked. [2020-08-21 20:31:58,447 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [65325175] [2020-08-21 20:31:58,447 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 20:31:58,447 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-08-21 20:31:58,447 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193816107] [2020-08-21 20:31:58,448 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-08-21 20:31:58,448 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:31:58,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-08-21 20:31:58,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=270, Unknown=0, NotChecked=0, Total=342 [2020-08-21 20:31:58,449 INFO L87 Difference]: Start difference. First operand 155 states and 250 transitions. Second operand 19 states. [2020-08-21 20:31:59,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:31:59,150 INFO L93 Difference]: Finished difference Result 301 states and 494 transitions. [2020-08-21 20:31:59,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-08-21 20:31:59,158 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 926 [2020-08-21 20:31:59,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:31:59,162 INFO L225 Difference]: With dead ends: 301 [2020-08-21 20:31:59,162 INFO L226 Difference]: Without dead ends: 172 [2020-08-21 20:31:59,164 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 310 GetRequests, 275 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=280, Invalid=1052, Unknown=0, NotChecked=0, Total=1332 [2020-08-21 20:31:59,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2020-08-21 20:31:59,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 135. [2020-08-21 20:31:59,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2020-08-21 20:31:59,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 210 transitions. [2020-08-21 20:31:59,179 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 210 transitions. Word has length 926 [2020-08-21 20:31:59,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:31:59,181 INFO L479 AbstractCegarLoop]: Abstraction has 135 states and 210 transitions. [2020-08-21 20:31:59,181 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-08-21 20:31:59,181 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 210 transitions. [2020-08-21 20:31:59,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1036 [2020-08-21 20:31:59,190 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:31:59,191 INFO L422 BasicCegarLoop]: trace histogram [151, 151, 122, 75, 75, 75, 75, 75, 75, 75, 47, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 20:31:59,191 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-08-21 20:31:59,191 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:31:59,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:31:59,192 INFO L82 PathProgramCache]: Analyzing trace with hash -1935693673, now seen corresponding path program 12 times [2020-08-21 20:31:59,193 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:31:59,193 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [860307009] [2020-08-21 20:31:59,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:31:59,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:59,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:31:59,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:59,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 20:32:00,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:00,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:00,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:00,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:00,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:00,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:01,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:01,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:01,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:01,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:01,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:01,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:01,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:01,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:01,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:32:01,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:01,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:01,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 20:32:01,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:01,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:01,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:01,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:01,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 20:32:01,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:01,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:01,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:01,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:01,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:01,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:32:01,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:01,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:01,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 20:32:01,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:01,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:01,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:01,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:01,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:01,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:01,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:32:01,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:01,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:01,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 20:32:01,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:01,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:01,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:01,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:01,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-21 20:32:01,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:01,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:01,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:01,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:01,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:01,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:01,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:01,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:32:01,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:01,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:01,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 20:32:01,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:01,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:01,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:01,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:01,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 20:32:01,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:01,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:01,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:01,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:01,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:01,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:32:01,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:01,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:01,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-08-21 20:32:01,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:01,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:01,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:01,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:01,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:01,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:01,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:01,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:01,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:32:01,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:01,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:01,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 20:32:01,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:01,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:01,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:01,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:01,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 20:32:01,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:01,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:01,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:01,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:01,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:01,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:32:01,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:01,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:01,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 20:32:01,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:01,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:01,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:01,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:01,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:01,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:01,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:32:01,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:01,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:01,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 20:32:01,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:01,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:01,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:01,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:01,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:01,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:02,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2020-08-21 20:32:02,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:02,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:02,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:02,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:02,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:02,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:02,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:02,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:02,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:02,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:02,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:02,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:02,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:02,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:02,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:02,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:02,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:02,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:32:02,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:02,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:02,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:02,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:02,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:02,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 20:32:02,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:02,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:02,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:02,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:02,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:02,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:02,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:02,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:02,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:02,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 20:32:02,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:02,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:02,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:02,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:02,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:02,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:02,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:02,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:02,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:02,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:02,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:02,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:32:02,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:02,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:02,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:02,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:02,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:02,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 20:32:02,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:02,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:02,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:02,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:02,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:02,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:02,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:02,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:02,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:02,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:02,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:02,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:02,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:02,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:32:02,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:02,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:02,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:02,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:02,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:02,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 20:32:02,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:02,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:02,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:02,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:02,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:02,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:02,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:02,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:02,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:03,583 INFO L134 CoverageAnalysis]: Checked inductivity of 63781 backedges. 1305 proven. 6118 refuted. 0 times theorem prover too weak. 56358 trivial. 0 not checked. [2020-08-21 20:32:03,583 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [860307009] [2020-08-21 20:32:03,584 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 20:32:03,584 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-08-21 20:32:03,584 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030328050] [2020-08-21 20:32:03,585 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-21 20:32:03,585 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:32:03,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-21 20:32:03,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2020-08-21 20:32:03,586 INFO L87 Difference]: Start difference. First operand 135 states and 210 transitions. Second operand 14 states. [2020-08-21 20:32:04,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:32:04,083 INFO L93 Difference]: Finished difference Result 247 states and 403 transitions. [2020-08-21 20:32:04,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-08-21 20:32:04,085 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 1035 [2020-08-21 20:32:04,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:32:04,087 INFO L225 Difference]: With dead ends: 247 [2020-08-21 20:32:04,087 INFO L226 Difference]: Without dead ends: 0 [2020-08-21 20:32:04,089 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 305 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=179, Invalid=327, Unknown=0, NotChecked=0, Total=506 [2020-08-21 20:32:04,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-21 20:32:04,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-21 20:32:04,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-21 20:32:04,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-21 20:32:04,090 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1035 [2020-08-21 20:32:04,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:32:04,090 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-21 20:32:04,091 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-21 20:32:04,091 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-21 20:32:04,091 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-21 20:32:04,091 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-08-21 20:32:04,093 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-21 20:32:04,690 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 6 [2020-08-21 20:32:05,604 WARN L193 SmtUtils]: Spent 851.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 59 [2020-08-21 20:32:05,609 INFO L268 CegarLoopResult]: For program point fibonacciFINAL(lines 14 22) no Hoare annotation was computed. [2020-08-21 20:32:05,609 INFO L271 CegarLoopResult]: At program point fibonacciENTRY(lines 14 22) the Hoare annotation is: true [2020-08-21 20:32:05,609 INFO L264 CegarLoopResult]: At program point L20(line 20) the Hoare annotation is: (and (= fibonacci_~n |fibonacci_#in~n|) (<= 2 |fibonacci_#in~n|)) [2020-08-21 20:32:05,610 INFO L268 CegarLoopResult]: For program point L20-1(line 20) no Hoare annotation was computed. [2020-08-21 20:32:05,610 INFO L264 CegarLoopResult]: At program point L20-2(line 20) the Hoare annotation is: (let ((.cse1 (<= 10 |fibonacci_#in~n|)) (.cse2 (and (<= 21 |fibonacci_#t~ret0|) (<= 9 fibonacci_~n) (<= |fibonacci_#t~ret0| 21))) (.cse3 (and (<= |fibonacci_#in~n| 8) (<= 8 |fibonacci_#in~n|) (<= |fibonacci_#t~ret0| 13) (<= 13 |fibonacci_#t~ret0|))) (.cse4 (and (<= |fibonacci_#t~ret0| 8) (<= 7 |fibonacci_#in~n|) (<= 8 |fibonacci_#t~ret0|) (<= fibonacci_~n 7))) (.cse5 (and (<= |fibonacci_#in~n| 6) (<= 5 |fibonacci_#t~ret0|) (<= |fibonacci_#t~ret0| 5) (<= 6 |fibonacci_#in~n|))) (.cse0 (<= |fibonacci_#in~n| 3)) (.cse6 (and (<= 5 |fibonacci_#in~n|) (<= |fibonacci_#t~ret0| 3) (<= 3 |fibonacci_#t~ret0|) (<= |fibonacci_#in~n| 5)))) (and (or (and (<= 1 |fibonacci_#t~ret0|) (<= |fibonacci_#t~ret0| 1)) (not .cse0)) (or .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (<= fibonacci_~n 4)) (= fibonacci_~n |fibonacci_#in~n|) (or (and (<= 2 |fibonacci_#t~ret0|) (<= |fibonacci_#t~ret0| 2)) .cse1 .cse2 .cse3 (and (<= |fibonacci_#in~n| 2) (<= 2 |fibonacci_#in~n|)) .cse4 .cse5 (and .cse0 (<= 3 |fibonacci_#in~n|)) .cse6))) [2020-08-21 20:32:05,610 INFO L268 CegarLoopResult]: For program point fibonacciEXIT(lines 14 22) no Hoare annotation was computed. [2020-08-21 20:32:05,610 INFO L268 CegarLoopResult]: For program point L17(lines 17 21) no Hoare annotation was computed. [2020-08-21 20:32:05,610 INFO L268 CegarLoopResult]: For program point L20-3(line 20) no Hoare annotation was computed. [2020-08-21 20:32:05,610 INFO L268 CegarLoopResult]: For program point L15(lines 15 21) no Hoare annotation was computed. [2020-08-21 20:32:05,610 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-08-21 20:32:05,611 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-21 20:32:05,611 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-21 20:32:05,611 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-08-21 20:32:05,611 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-21 20:32:05,611 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-21 20:32:05,611 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 31) no Hoare annotation was computed. [2020-08-21 20:32:05,611 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-08-21 20:32:05,612 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 25 33) the Hoare annotation is: true [2020-08-21 20:32:05,612 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 25 33) no Hoare annotation was computed. [2020-08-21 20:32:05,612 INFO L268 CegarLoopResult]: For program point L28(lines 28 32) no Hoare annotation was computed. [2020-08-21 20:32:05,612 INFO L264 CegarLoopResult]: At program point L27(line 27) the Hoare annotation is: (and (<= main_~x~0 9) (<= 9 main_~x~0)) [2020-08-21 20:32:05,612 INFO L268 CegarLoopResult]: For program point L27-1(line 27) no Hoare annotation was computed. [2020-08-21 20:32:05,612 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 25 33) no Hoare annotation was computed. [2020-08-21 20:32:05,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 08:32:05 BoogieIcfgContainer [2020-08-21 20:32:05,618 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-21 20:32:05,620 INFO L168 Benchmark]: Toolchain (without parser) took 32412.49 ms. Allocated memory was 140.5 MB in the beginning and 1.6 GB in the end (delta: 1.4 GB). Free memory was 103.7 MB in the beginning and 551.5 MB in the end (delta: -447.8 MB). Peak memory consumption was 991.4 MB. Max. memory is 7.1 GB. [2020-08-21 20:32:05,621 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 140.5 MB. Free memory was 122.1 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-21 20:32:05,621 INFO L168 Benchmark]: CACSL2BoogieTranslator took 223.82 ms. Allocated memory is still 140.5 MB. Free memory was 103.5 MB in the beginning and 94.3 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2020-08-21 20:32:05,622 INFO L168 Benchmark]: Boogie Preprocessor took 104.87 ms. Allocated memory was 140.5 MB in the beginning and 203.4 MB in the end (delta: 62.9 MB). Free memory was 94.3 MB in the beginning and 182.5 MB in the end (delta: -88.2 MB). Peak memory consumption was 13.1 MB. Max. memory is 7.1 GB. [2020-08-21 20:32:05,623 INFO L168 Benchmark]: RCFGBuilder took 238.33 ms. Allocated memory is still 203.4 MB. Free memory was 182.5 MB in the beginning and 170.6 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. [2020-08-21 20:32:05,624 INFO L168 Benchmark]: TraceAbstraction took 31838.83 ms. Allocated memory was 203.4 MB in the beginning and 1.6 GB in the end (delta: 1.4 GB). Free memory was 169.9 MB in the beginning and 551.5 MB in the end (delta: -381.6 MB). Peak memory consumption was 994.7 MB. Max. memory is 7.1 GB. [2020-08-21 20:32:05,627 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 140.5 MB. Free memory was 122.1 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 223.82 ms. Allocated memory is still 140.5 MB. Free memory was 103.5 MB in the beginning and 94.3 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 104.87 ms. Allocated memory was 140.5 MB in the beginning and 203.4 MB in the end (delta: 62.9 MB). Free memory was 94.3 MB in the beginning and 182.5 MB in the end (delta: -88.2 MB). Peak memory consumption was 13.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 238.33 ms. Allocated memory is still 203.4 MB. Free memory was 182.5 MB in the beginning and 170.6 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 31838.83 ms. Allocated memory was 203.4 MB in the beginning and 1.6 GB in the end (delta: 1.4 GB). Free memory was 169.9 MB in the beginning and 551.5 MB in the end (delta: -381.6 MB). Peak memory consumption was 994.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 31]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 23 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 30.2s, OverallIterations: 15, TraceHistogramMax: 151, AutomataDifference: 6.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 446 SDtfs, 906 SDslu, 2340 SDs, 0 SdLazy, 3835 SolverSat, 911 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2044 GetRequests, 1734 SyntacticMatches, 0 SemanticMatches, 310 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1948 ImplicationChecksByTransitivity, 4.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=232occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 15 MinimizatonAttempts, 141 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 536 PreInvPairs, 653 NumberOfFragments, 191 HoareAnnotationTreeSize, 536 FomulaSimplifications, 1207 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 8 FomulaSimplificationsInter, 4878 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 20.4s InterpolantComputationTime, 5105 NumberOfCodeBlocks, 5105 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 5090 ConstructedInterpolants, 0 QuantifiedInterpolants, 6510588 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 2 PerfectInterpolantSequences, 190392/227067 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...