/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --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/Fibonacci03.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-22 03:48:42,752 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 03:48:42,755 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 03:48:42,797 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 03:48:42,798 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 03:48:42,807 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 03:48:42,809 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 03:48:42,813 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 03:48:42,816 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 03:48:42,819 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 03:48:42,820 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 03:48:42,821 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 03:48:42,821 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 03:48:42,824 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 03:48:42,827 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 03:48:42,828 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 03:48:42,830 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 03:48:42,831 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 03:48:42,833 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 03:48:42,842 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 03:48:42,844 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 03:48:42,845 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 03:48:42,846 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 03:48:42,847 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 03:48:42,859 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-22 03:48:42,859 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-22 03:48:42,865 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-22 03:48:42,866 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-22 03:48:42,866 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-22 03:48:42,867 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-22 03:48:42,867 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-22 03:48:42,871 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-22 03:48:42,872 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-22 03:48:42,875 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-22 03:48:42,876 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-22 03:48:42,876 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-22 03:48:42,878 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-22 03:48:42,878 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-22 03:48:42,878 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 03:48:42,879 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 03:48:42,880 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 03:48:42,881 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-22 03:48:42,904 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 03:48:42,904 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 03:48:42,905 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-22 03:48:42,905 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-22 03:48:42,905 INFO L138 SettingsManager]: * Use SBE=true [2020-08-22 03:48:42,906 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 03:48:42,906 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 03:48:42,906 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 03:48:42,906 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 03:48:42,906 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 03:48:42,907 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 03:48:42,907 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 03:48:42,907 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 03:48:42,907 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 03:48:42,907 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 03:48:42,908 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 03:48:42,908 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 03:48:42,908 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 03:48:42,908 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-22 03:48:42,908 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 03:48:42,909 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 03:48:42,909 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 03:48:42,909 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 03:48:42,909 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-22 03:48:42,909 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-22 03:48:42,910 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-22 03:48:42,910 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-22 03:48:42,910 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 03:48:42,910 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-22 03:48:42,910 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; [2020-08-22 03:48:43,231 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 03:48:43,252 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 03:48:43,256 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 03:48:43,258 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 03:48:43,259 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 03:48:43,259 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive/Fibonacci03.c [2020-08-22 03:48:43,323 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/96fb3f326/9402114b04814bbea5b78d0ff72da739/FLAGd443a89b1 [2020-08-22 03:48:43,806 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 03:48:43,807 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive/Fibonacci03.c [2020-08-22 03:48:43,817 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/96fb3f326/9402114b04814bbea5b78d0ff72da739/FLAGd443a89b1 [2020-08-22 03:48:44,123 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/96fb3f326/9402114b04814bbea5b78d0ff72da739 [2020-08-22 03:48:44,132 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 03:48:44,134 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 03:48:44,137 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 03:48:44,137 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 03:48:44,141 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 03:48:44,142 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 03:48:44" (1/1) ... [2020-08-22 03:48:44,146 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@156d188 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 03:48:44, skipping insertion in model container [2020-08-22 03:48:44,146 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 03:48:44" (1/1) ... [2020-08-22 03:48:44,156 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 03:48:44,176 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 03:48:44,337 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 03:48:44,342 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 03:48:44,358 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 03:48:44,373 INFO L208 MainTranslator]: Completed translation [2020-08-22 03:48:44,374 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 03:48:44 WrapperNode [2020-08-22 03:48:44,374 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 03:48:44,375 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 03:48:44,375 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 03:48:44,375 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 03:48:44,389 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 03:48:44" (1/1) ... [2020-08-22 03:48:44,389 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 03:48:44" (1/1) ... [2020-08-22 03:48:44,395 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 03:48:44" (1/1) ... [2020-08-22 03:48:44,395 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 03:48:44" (1/1) ... [2020-08-22 03:48:44,399 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 03:48:44" (1/1) ... [2020-08-22 03:48:44,401 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 03:48:44" (1/1) ... [2020-08-22 03:48:44,402 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 03:48:44" (1/1) ... [2020-08-22 03:48:44,404 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 03:48:44,404 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 03:48:44,405 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 03:48:44,405 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 03:48:44,406 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 03:48:44" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 03:48:44,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 03:48:44,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 03:48:44,562 INFO L138 BoogieDeclarations]: Found implementation of procedure fibonacci [2020-08-22 03:48:44,562 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 03:48:44,563 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 03:48:44,563 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 03:48:44,563 INFO L130 BoogieDeclarations]: Found specification of procedure fibonacci [2020-08-22 03:48:44,563 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 03:48:44,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 03:48:44,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 03:48:44,742 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 03:48:44,743 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-08-22 03:48:44,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 03:48:44 BoogieIcfgContainer [2020-08-22 03:48:44,747 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 03:48:44,748 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 03:48:44,748 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 03:48:44,751 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 03:48:44,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 03:48:44" (1/3) ... [2020-08-22 03:48:44,752 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a3c7fb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 03:48:44, skipping insertion in model container [2020-08-22 03:48:44,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 03:48:44" (2/3) ... [2020-08-22 03:48:44,753 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a3c7fb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 03:48:44, skipping insertion in model container [2020-08-22 03:48:44,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 03:48:44" (3/3) ... [2020-08-22 03:48:44,755 INFO L109 eAbstractionObserver]: Analyzing ICFG Fibonacci03.c [2020-08-22 03:48:44,764 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 03:48:44,771 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 03:48:44,786 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 03:48:44,812 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 03:48:44,812 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 03:48:44,812 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-22 03:48:44,812 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 03:48:44,812 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 03:48:44,813 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 03:48:44,813 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 03:48:44,813 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 03:48:44,830 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2020-08-22 03:48:44,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-08-22 03:48:44,837 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 03:48:44,838 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 03:48:44,838 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 03:48:44,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 03:48:44,844 INFO L82 PathProgramCache]: Analyzing trace with hash 1900973920, now seen corresponding path program 1 times [2020-08-22 03:48:44,851 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 03:48:44,852 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1655181282] [2020-08-22 03:48:44,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 03:48:44,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:45,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 03:48:45,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:45,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 03:48:45,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:45,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 03:48:45,066 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1655181282] [2020-08-22 03:48:45,068 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 03:48:45,068 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-22 03:48:45,069 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88749374] [2020-08-22 03:48:45,075 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-22 03:48:45,076 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 03:48:45,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-22 03:48:45,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-08-22 03:48:45,103 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 5 states. [2020-08-22 03:48:45,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 03:48:45,270 INFO L93 Difference]: Finished difference Result 36 states and 43 transitions. [2020-08-22 03:48:45,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-22 03:48:45,273 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-08-22 03:48:45,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 03:48:45,284 INFO L225 Difference]: With dead ends: 36 [2020-08-22 03:48:45,284 INFO L226 Difference]: Without dead ends: 22 [2020-08-22 03:48:45,288 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-08-22 03:48:45,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2020-08-22 03:48:45,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2020-08-22 03:48:45,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2020-08-22 03:48:45,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions. [2020-08-22 03:48:45,333 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 26 transitions. Word has length 14 [2020-08-22 03:48:45,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 03:48:45,333 INFO L479 AbstractCegarLoop]: Abstraction has 22 states and 26 transitions. [2020-08-22 03:48:45,333 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-22 03:48:45,334 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2020-08-22 03:48:45,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-08-22 03:48:45,335 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 03:48:45,336 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 03:48:45,336 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 03:48:45,336 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 03:48:45,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 03:48:45,337 INFO L82 PathProgramCache]: Analyzing trace with hash -509871596, now seen corresponding path program 1 times [2020-08-22 03:48:45,337 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 03:48:45,338 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1726448651] [2020-08-22 03:48:45,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 03:48:45,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:45,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 03:48:45,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:45,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 03:48:45,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:45,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 03:48:45,419 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1726448651] [2020-08-22 03:48:45,419 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 03:48:45,419 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-22 03:48:45,420 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147223069] [2020-08-22 03:48:45,426 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-22 03:48:45,426 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 03:48:45,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-22 03:48:45,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-08-22 03:48:45,427 INFO L87 Difference]: Start difference. First operand 22 states and 26 transitions. Second operand 5 states. [2020-08-22 03:48:45,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 03:48:45,499 INFO L93 Difference]: Finished difference Result 28 states and 33 transitions. [2020-08-22 03:48:45,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-22 03:48:45,499 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2020-08-22 03:48:45,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 03:48:45,501 INFO L225 Difference]: With dead ends: 28 [2020-08-22 03:48:45,501 INFO L226 Difference]: Without dead ends: 24 [2020-08-22 03:48:45,503 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-08-22 03:48:45,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2020-08-22 03:48:45,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 22. [2020-08-22 03:48:45,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2020-08-22 03:48:45,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions. [2020-08-22 03:48:45,511 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 26 transitions. Word has length 15 [2020-08-22 03:48:45,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 03:48:45,512 INFO L479 AbstractCegarLoop]: Abstraction has 22 states and 26 transitions. [2020-08-22 03:48:45,512 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-22 03:48:45,512 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2020-08-22 03:48:45,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-08-22 03:48:45,514 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 03:48:45,514 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] [2020-08-22 03:48:45,514 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 03:48:45,515 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 03:48:45,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 03:48:45,515 INFO L82 PathProgramCache]: Analyzing trace with hash 1203666899, now seen corresponding path program 1 times [2020-08-22 03:48:45,516 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 03:48:45,516 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [891983795] [2020-08-22 03:48:45,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 03:48:45,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:45,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 03:48:45,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:45,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 03:48:45,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:45,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:45,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:45,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 03:48:45,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:45,637 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-08-22 03:48:45,638 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [891983795] [2020-08-22 03:48:45,638 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 03:48:45,638 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-08-22 03:48:45,639 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125969808] [2020-08-22 03:48:45,639 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-22 03:48:45,640 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 03:48:45,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-22 03:48:45,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-08-22 03:48:45,641 INFO L87 Difference]: Start difference. First operand 22 states and 26 transitions. Second operand 6 states. [2020-08-22 03:48:45,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 03:48:45,723 INFO L93 Difference]: Finished difference Result 39 states and 50 transitions. [2020-08-22 03:48:45,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-08-22 03:48:45,724 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 27 [2020-08-22 03:48:45,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 03:48:45,726 INFO L225 Difference]: With dead ends: 39 [2020-08-22 03:48:45,726 INFO L226 Difference]: Without dead ends: 24 [2020-08-22 03:48:45,727 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-08-22 03:48:45,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2020-08-22 03:48:45,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2020-08-22 03:48:45,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2020-08-22 03:48:45,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 28 transitions. [2020-08-22 03:48:45,735 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 28 transitions. Word has length 27 [2020-08-22 03:48:45,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 03:48:45,736 INFO L479 AbstractCegarLoop]: Abstraction has 24 states and 28 transitions. [2020-08-22 03:48:45,736 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-22 03:48:45,736 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2020-08-22 03:48:45,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-08-22 03:48:45,738 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 03:48:45,738 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, 1] [2020-08-22 03:48:45,739 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-22 03:48:45,739 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 03:48:45,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 03:48:45,740 INFO L82 PathProgramCache]: Analyzing trace with hash -603082491, now seen corresponding path program 1 times [2020-08-22 03:48:45,740 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 03:48:45,740 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1402502483] [2020-08-22 03:48:45,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 03:48:45,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:45,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 03:48:45,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:45,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 03:48:45,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:45,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:45,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:45,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:48:45,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:45,884 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-08-22 03:48:45,885 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1402502483] [2020-08-22 03:48:45,885 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 03:48:45,885 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-08-22 03:48:45,885 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147129549] [2020-08-22 03:48:45,886 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-22 03:48:45,886 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 03:48:45,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-22 03:48:45,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-08-22 03:48:45,887 INFO L87 Difference]: Start difference. First operand 24 states and 28 transitions. Second operand 6 states. [2020-08-22 03:48:46,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 03:48:46,004 INFO L93 Difference]: Finished difference Result 42 states and 56 transitions. [2020-08-22 03:48:46,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-22 03:48:46,005 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 28 [2020-08-22 03:48:46,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 03:48:46,007 INFO L225 Difference]: With dead ends: 42 [2020-08-22 03:48:46,007 INFO L226 Difference]: Without dead ends: 38 [2020-08-22 03:48:46,008 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 [2020-08-22 03:48:46,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2020-08-22 03:48:46,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2020-08-22 03:48:46,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2020-08-22 03:48:46,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 52 transitions. [2020-08-22 03:48:46,021 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 52 transitions. Word has length 28 [2020-08-22 03:48:46,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 03:48:46,021 INFO L479 AbstractCegarLoop]: Abstraction has 38 states and 52 transitions. [2020-08-22 03:48:46,021 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-22 03:48:46,022 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 52 transitions. [2020-08-22 03:48:46,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-08-22 03:48:46,024 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 03:48:46,024 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, 1] [2020-08-22 03:48:46,024 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-22 03:48:46,025 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 03:48:46,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 03:48:46,025 INFO L82 PathProgramCache]: Analyzing trace with hash -2046185202, now seen corresponding path program 2 times [2020-08-22 03:48:46,025 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 03:48:46,026 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1557812095] [2020-08-22 03:48:46,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 03:48:46,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:46,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 03:48:46,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:46,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 03:48:46,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:46,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:46,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:46,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:46,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:46,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:48:46,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:46,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 03:48:46,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:46,188 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-08-22 03:48:46,189 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1557812095] [2020-08-22 03:48:46,189 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 03:48:46,189 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-22 03:48:46,190 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369782893] [2020-08-22 03:48:46,190 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-22 03:48:46,190 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 03:48:46,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-22 03:48:46,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-08-22 03:48:46,191 INFO L87 Difference]: Start difference. First operand 38 states and 52 transitions. Second operand 7 states. [2020-08-22 03:48:46,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 03:48:46,321 INFO L93 Difference]: Finished difference Result 77 states and 120 transitions. [2020-08-22 03:48:46,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-22 03:48:46,322 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 41 [2020-08-22 03:48:46,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 03:48:46,325 INFO L225 Difference]: With dead ends: 77 [2020-08-22 03:48:46,325 INFO L226 Difference]: Without dead ends: 46 [2020-08-22 03:48:46,326 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2020-08-22 03:48:46,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-08-22 03:48:46,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 40. [2020-08-22 03:48:46,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2020-08-22 03:48:46,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 55 transitions. [2020-08-22 03:48:46,339 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 55 transitions. Word has length 41 [2020-08-22 03:48:46,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 03:48:46,340 INFO L479 AbstractCegarLoop]: Abstraction has 40 states and 55 transitions. [2020-08-22 03:48:46,340 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-22 03:48:46,340 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 55 transitions. [2020-08-22 03:48:46,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-08-22 03:48:46,342 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 03:48:46,342 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, 1] [2020-08-22 03:48:46,343 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-22 03:48:46,343 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 03:48:46,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 03:48:46,343 INFO L82 PathProgramCache]: Analyzing trace with hash 1391487784, now seen corresponding path program 3 times [2020-08-22 03:48:46,344 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 03:48:46,344 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1813569142] [2020-08-22 03:48:46,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 03:48:46,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:46,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 03:48:46,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:46,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 03:48:46,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:46,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:46,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:46,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:46,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:46,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:48:46,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:46,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 03:48:46,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:46,460 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 6 proven. 24 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-08-22 03:48:46,460 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1813569142] [2020-08-22 03:48:46,461 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 03:48:46,461 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-22 03:48:46,461 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653472005] [2020-08-22 03:48:46,462 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-22 03:48:46,462 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 03:48:46,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-22 03:48:46,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-22 03:48:46,463 INFO L87 Difference]: Start difference. First operand 40 states and 55 transitions. Second operand 7 states. [2020-08-22 03:48:46,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 03:48:46,583 INFO L93 Difference]: Finished difference Result 63 states and 91 transitions. [2020-08-22 03:48:46,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-22 03:48:46,584 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 42 [2020-08-22 03:48:46,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 03:48:46,586 INFO L225 Difference]: With dead ends: 63 [2020-08-22 03:48:46,586 INFO L226 Difference]: Without dead ends: 59 [2020-08-22 03:48:46,587 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 [2020-08-22 03:48:46,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2020-08-22 03:48:46,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 56. [2020-08-22 03:48:46,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2020-08-22 03:48:46,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 82 transitions. [2020-08-22 03:48:46,602 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 82 transitions. Word has length 42 [2020-08-22 03:48:46,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 03:48:46,603 INFO L479 AbstractCegarLoop]: Abstraction has 56 states and 82 transitions. [2020-08-22 03:48:46,603 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-22 03:48:46,603 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 82 transitions. [2020-08-22 03:48:46,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-08-22 03:48:46,607 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 03:48:46,608 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, 1] [2020-08-22 03:48:46,608 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-22 03:48:46,608 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 03:48:46,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 03:48:46,609 INFO L82 PathProgramCache]: Analyzing trace with hash 1611334083, now seen corresponding path program 4 times [2020-08-22 03:48:46,609 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 03:48:46,609 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1300865108] [2020-08-22 03:48:46,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 03:48:46,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:46,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 03:48:46,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:46,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 03:48:46,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:46,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:46,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:46,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:46,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:46,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:46,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:46,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:48:46,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:46,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 03:48:46,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:46,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:48:46,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:46,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:46,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:46,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:46,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:46,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:48:46,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:46,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 03:48:46,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:46,843 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 22 proven. 127 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2020-08-22 03:48:46,844 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1300865108] [2020-08-22 03:48:46,844 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 03:48:46,844 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-22 03:48:46,844 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137749225] [2020-08-22 03:48:46,845 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 03:48:46,845 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 03:48:46,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 03:48:46,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-08-22 03:48:46,846 INFO L87 Difference]: Start difference. First operand 56 states and 82 transitions. Second operand 8 states. [2020-08-22 03:48:47,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 03:48:47,041 INFO L93 Difference]: Finished difference Result 98 states and 151 transitions. [2020-08-22 03:48:47,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-22 03:48:47,042 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 83 [2020-08-22 03:48:47,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 03:48:47,046 INFO L225 Difference]: With dead ends: 98 [2020-08-22 03:48:47,046 INFO L226 Difference]: Without dead ends: 94 [2020-08-22 03:48:47,047 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2020-08-22 03:48:47,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2020-08-22 03:48:47,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 88. [2020-08-22 03:48:47,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2020-08-22 03:48:47,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 138 transitions. [2020-08-22 03:48:47,068 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 138 transitions. Word has length 83 [2020-08-22 03:48:47,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 03:48:47,068 INFO L479 AbstractCegarLoop]: Abstraction has 88 states and 138 transitions. [2020-08-22 03:48:47,068 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 03:48:47,069 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 138 transitions. [2020-08-22 03:48:47,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-08-22 03:48:47,076 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 03:48:47,076 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, 1] [2020-08-22 03:48:47,077 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-22 03:48:47,077 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 03:48:47,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 03:48:47,078 INFO L82 PathProgramCache]: Analyzing trace with hash 1072608948, now seen corresponding path program 5 times [2020-08-22 03:48:47,078 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 03:48:47,078 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2106158605] [2020-08-22 03:48:47,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 03:48:47,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:47,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 03:48:47,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:47,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 03:48:47,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:47,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:47,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:47,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:47,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:47,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:47,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:47,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:47,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:47,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:48:47,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:47,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 03:48:47,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:47,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:48:47,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:47,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:47,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:47,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:48:47,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:47,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 03:48:47,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:47,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:47,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:47,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:47,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:47,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:47,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:47,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:47,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:47,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:48:47,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:47,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 03:48:47,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:47,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:48:47,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:47,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:47,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:47,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:48:47,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:47,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 03:48:47,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:47,500 INFO L134 CoverageAnalysis]: Checked inductivity of 1156 backedges. 249 proven. 381 refuted. 0 times theorem prover too weak. 526 trivial. 0 not checked. [2020-08-22 03:48:47,501 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2106158605] [2020-08-22 03:48:47,501 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 03:48:47,501 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-08-22 03:48:47,501 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823089894] [2020-08-22 03:48:47,502 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-22 03:48:47,502 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 03:48:47,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-22 03:48:47,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-08-22 03:48:47,503 INFO L87 Difference]: Start difference. First operand 88 states and 138 transitions. Second operand 12 states. [2020-08-22 03:48:47,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 03:48:47,915 INFO L93 Difference]: Finished difference Result 154 states and 267 transitions. [2020-08-22 03:48:47,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-08-22 03:48:47,916 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 151 [2020-08-22 03:48:47,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 03:48:47,918 INFO L225 Difference]: With dead ends: 154 [2020-08-22 03:48:47,918 INFO L226 Difference]: Without dead ends: 72 [2020-08-22 03:48:47,921 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=177, Invalid=525, Unknown=0, NotChecked=0, Total=702 [2020-08-22 03:48:47,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2020-08-22 03:48:47,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 62. [2020-08-22 03:48:47,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-08-22 03:48:47,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 76 transitions. [2020-08-22 03:48:47,931 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 76 transitions. Word has length 151 [2020-08-22 03:48:47,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 03:48:47,932 INFO L479 AbstractCegarLoop]: Abstraction has 62 states and 76 transitions. [2020-08-22 03:48:47,932 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-22 03:48:47,932 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 76 transitions. [2020-08-22 03:48:47,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-08-22 03:48:47,934 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 03:48:47,934 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 12, 7, 7, 7, 7, 7, 7, 7, 5, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 03:48:47,935 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-22 03:48:47,935 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 03:48:47,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 03:48:47,935 INFO L82 PathProgramCache]: Analyzing trace with hash 946234379, now seen corresponding path program 6 times [2020-08-22 03:48:47,935 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 03:48:47,936 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1297230913] [2020-08-22 03:48:47,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 03:48:47,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:47,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 03:48:47,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:47,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 03:48:47,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:48,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:48,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:48,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:48,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:48,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:48,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:48,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:48,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:48,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:48:48,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:48,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 03:48:48,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:48,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:48:48,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:48,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:48,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:48,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:48:48,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:48,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 03:48:48,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:48,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:48,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:48,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:48,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:48,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:48:48,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:48,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 03:48:48,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:48,151 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 42 proven. 229 refuted. 0 times theorem prover too weak. 299 trivial. 0 not checked. [2020-08-22 03:48:48,151 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1297230913] [2020-08-22 03:48:48,151 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 03:48:48,152 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-08-22 03:48:48,152 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438393545] [2020-08-22 03:48:48,153 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-22 03:48:48,153 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 03:48:48,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-22 03:48:48,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-08-22 03:48:48,154 INFO L87 Difference]: Start difference. First operand 62 states and 76 transitions. Second operand 9 states. [2020-08-22 03:48:48,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 03:48:48,304 INFO L93 Difference]: Finished difference Result 69 states and 84 transitions. [2020-08-22 03:48:48,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-22 03:48:48,305 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 110 [2020-08-22 03:48:48,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 03:48:48,306 INFO L225 Difference]: With dead ends: 69 [2020-08-22 03:48:48,306 INFO L226 Difference]: Without dead ends: 65 [2020-08-22 03:48:48,307 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2020-08-22 03:48:48,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2020-08-22 03:48:48,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2020-08-22 03:48:48,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-08-22 03:48:48,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 80 transitions. [2020-08-22 03:48:48,316 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 80 transitions. Word has length 110 [2020-08-22 03:48:48,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 03:48:48,316 INFO L479 AbstractCegarLoop]: Abstraction has 65 states and 80 transitions. [2020-08-22 03:48:48,316 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-22 03:48:48,317 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 80 transitions. [2020-08-22 03:48:48,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-08-22 03:48:48,318 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 03:48:48,318 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, 1] [2020-08-22 03:48:48,319 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-22 03:48:48,319 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 03:48:48,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 03:48:48,319 INFO L82 PathProgramCache]: Analyzing trace with hash 375112636, now seen corresponding path program 7 times [2020-08-22 03:48:48,320 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 03:48:48,320 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1935352492] [2020-08-22 03:48:48,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 03:48:48,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:48,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 03:48:48,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:48,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 03:48:48,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:48,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:48,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:48,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:48,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:48,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:48,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:48,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:48,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:48,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:48,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:48,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:48:48,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:48,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 03:48:48,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:48,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:48:48,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:48,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:48,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:48,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:48:48,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:48,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 03:48:48,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:48,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:48,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:48,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:48,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:48,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:48:48,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:48,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 03:48:48,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:48,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 03:48:48,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:48,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:48,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:48,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:48,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:48,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:48,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:48,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:48:48,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:48,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 03:48:48,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:48,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:48:48,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:48,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:48,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:48,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:48:48,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:48,782 INFO L134 CoverageAnalysis]: Checked inductivity of 1654 backedges. 93 proven. 533 refuted. 0 times theorem prover too weak. 1028 trivial. 0 not checked. [2020-08-22 03:48:48,783 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1935352492] [2020-08-22 03:48:48,783 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 03:48:48,784 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-22 03:48:48,784 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086095210] [2020-08-22 03:48:48,785 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-22 03:48:48,785 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 03:48:48,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-22 03:48:48,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-08-22 03:48:48,786 INFO L87 Difference]: Start difference. First operand 65 states and 80 transitions. Second operand 10 states. [2020-08-22 03:48:49,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 03:48:49,024 INFO L93 Difference]: Finished difference Result 181 states and 255 transitions. [2020-08-22 03:48:49,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-08-22 03:48:49,024 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 178 [2020-08-22 03:48:49,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 03:48:49,027 INFO L225 Difference]: With dead ends: 181 [2020-08-22 03:48:49,027 INFO L226 Difference]: Without dead ends: 177 [2020-08-22 03:48:49,028 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=154, Unknown=0, NotChecked=0, Total=240 [2020-08-22 03:48:49,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2020-08-22 03:48:49,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 165. [2020-08-22 03:48:49,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2020-08-22 03:48:49,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 234 transitions. [2020-08-22 03:48:49,050 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 234 transitions. Word has length 178 [2020-08-22 03:48:49,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 03:48:49,051 INFO L479 AbstractCegarLoop]: Abstraction has 165 states and 234 transitions. [2020-08-22 03:48:49,051 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-22 03:48:49,051 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 234 transitions. [2020-08-22 03:48:49,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2020-08-22 03:48:49,054 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 03:48:49,054 INFO L422 BasicCegarLoop]: trace histogram [41, 41, 33, 20, 20, 20, 20, 20, 20, 20, 13, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 03:48:49,055 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-22 03:48:49,055 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 03:48:49,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 03:48:49,055 INFO L82 PathProgramCache]: Analyzing trace with hash 39069676, now seen corresponding path program 8 times [2020-08-22 03:48:49,056 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 03:48:49,056 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1485875029] [2020-08-22 03:48:49,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 03:48:49,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:49,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 03:48:49,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:49,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 03:48:49,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:49,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:49,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:49,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:49,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:49,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:49,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:49,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:49,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:49,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:49,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:49,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:49,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:49,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:48:49,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:49,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 03:48:49,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:49,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:48:49,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:49,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:49,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:49,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:48:49,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:49,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 03:48:49,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:49,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:49,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:49,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:49,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:49,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:48:49,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:49,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 03:48:49,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:49,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 03:48:49,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:49,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:49,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:49,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:49,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:49,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:49,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:49,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:48:49,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:49,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 03:48:49,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:49,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:48:49,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:49,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:49,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:49,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:48:49,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:49,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 03:48:49,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:49,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:49,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:49,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:49,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:49,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:49,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:49,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:49,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:49,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:48:49,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:49,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 03:48:49,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:49,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:48:49,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:49,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:49,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:49,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:48:49,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:49,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 03:48:49,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:49,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:49,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:49,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:49,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:49,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:48:49,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:49,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 03:48:49,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:49,839 INFO L134 CoverageAnalysis]: Checked inductivity of 4568 backedges. 189 proven. 1130 refuted. 0 times theorem prover too weak. 3249 trivial. 0 not checked. [2020-08-22 03:48:49,840 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1485875029] [2020-08-22 03:48:49,840 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 03:48:49,841 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-22 03:48:49,841 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757225781] [2020-08-22 03:48:49,842 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-22 03:48:49,842 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 03:48:49,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-22 03:48:49,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-08-22 03:48:49,843 INFO L87 Difference]: Start difference. First operand 165 states and 234 transitions. Second operand 11 states. [2020-08-22 03:48:50,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 03:48:50,260 INFO L93 Difference]: Finished difference Result 411 states and 641 transitions. [2020-08-22 03:48:50,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-08-22 03:48:50,261 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 287 [2020-08-22 03:48:50,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 03:48:50,268 INFO L225 Difference]: With dead ends: 411 [2020-08-22 03:48:50,269 INFO L226 Difference]: Without dead ends: 407 [2020-08-22 03:48:50,270 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=110, Invalid=196, Unknown=0, NotChecked=0, Total=306 [2020-08-22 03:48:50,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2020-08-22 03:48:50,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 392. [2020-08-22 03:48:50,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 392 states. [2020-08-22 03:48:50,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 616 transitions. [2020-08-22 03:48:50,343 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 616 transitions. Word has length 287 [2020-08-22 03:48:50,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 03:48:50,345 INFO L479 AbstractCegarLoop]: Abstraction has 392 states and 616 transitions. [2020-08-22 03:48:50,345 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-22 03:48:50,345 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 616 transitions. [2020-08-22 03:48:50,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 533 [2020-08-22 03:48:50,361 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 03:48:50,362 INFO L422 BasicCegarLoop]: trace histogram [77, 77, 62, 38, 38, 38, 38, 38, 38, 38, 24, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 03:48:50,362 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-08-22 03:48:50,362 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 03:48:50,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 03:48:50,363 INFO L82 PathProgramCache]: Analyzing trace with hash 826091136, now seen corresponding path program 9 times [2020-08-22 03:48:50,363 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 03:48:50,364 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [519575996] [2020-08-22 03:48:50,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 03:48:50,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:50,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 03:48:50,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:50,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 03:48:50,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:50,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:50,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:50,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:50,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:51,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:51,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:51,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:51,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:51,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:51,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:51,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:51,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:51,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:51,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:51,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:48:51,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:51,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 03:48:51,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:51,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:48:51,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:51,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:51,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:51,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:48:51,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:51,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 03:48:51,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:51,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:51,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:51,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:51,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:51,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:48:51,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:51,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 03:48:51,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:51,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 03:48:51,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:51,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:51,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:51,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:51,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:51,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:51,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:51,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:48:51,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:51,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 03:48:51,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:51,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:48:51,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:51,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:51,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:51,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:48:51,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:51,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 03:48:51,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:51,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:51,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:51,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:51,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:51,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:51,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:51,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:51,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:51,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:48:51,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:51,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 03:48:51,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:51,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:48:51,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:51,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:51,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:51,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:48:51,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:51,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 03:48:51,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:51,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:51,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:51,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:51,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:51,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:48:51,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:51,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 03:48:51,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:51,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-22 03:48:51,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:51,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:51,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:51,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:51,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:51,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:51,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:51,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:51,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:51,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:51,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:51,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:51,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:51,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:48:51,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:51,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 03:48:51,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:51,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:48:51,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:51,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:51,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:51,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:48:51,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:51,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 03:48:51,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:51,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:51,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:51,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:51,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:51,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:48:51,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:51,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 03:48:51,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:51,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 03:48:51,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:51,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:51,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:51,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:51,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:51,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:51,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:51,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:48:51,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:51,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 03:48:51,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:51,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:48:51,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:51,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:51,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:51,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:48:51,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:51,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 03:48:51,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:51,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:51,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:51,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:51,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:51,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:51,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:51,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:48:51,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:51,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 03:48:51,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:51,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:48:51,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:51,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:51,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:51,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:48:51,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:52,390 INFO L134 CoverageAnalysis]: Checked inductivity of 16407 backedges. 2940 proven. 2962 refuted. 0 times theorem prover too weak. 10505 trivial. 0 not checked. [2020-08-22 03:48:52,390 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [519575996] [2020-08-22 03:48:52,391 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 03:48:52,391 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-08-22 03:48:52,391 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035158535] [2020-08-22 03:48:52,392 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-08-22 03:48:52,392 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 03:48:52,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-08-22 03:48:52,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2020-08-22 03:48:52,393 INFO L87 Difference]: Start difference. First operand 392 states and 616 transitions. Second operand 18 states. [2020-08-22 03:48:53,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 03:48:53,305 INFO L93 Difference]: Finished difference Result 532 states and 943 transitions. [2020-08-22 03:48:53,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2020-08-22 03:48:53,306 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 532 [2020-08-22 03:48:53,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 03:48:53,309 INFO L225 Difference]: With dead ends: 532 [2020-08-22 03:48:53,309 INFO L226 Difference]: Without dead ends: 149 [2020-08-22 03:48:53,314 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 489 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=423, Invalid=1647, Unknown=0, NotChecked=0, Total=2070 [2020-08-22 03:48:53,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2020-08-22 03:48:53,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 113. [2020-08-22 03:48:53,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2020-08-22 03:48:53,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 157 transitions. [2020-08-22 03:48:53,324 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 157 transitions. Word has length 532 [2020-08-22 03:48:53,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 03:48:53,325 INFO L479 AbstractCegarLoop]: Abstraction has 113 states and 157 transitions. [2020-08-22 03:48:53,325 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-08-22 03:48:53,325 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 157 transitions. [2020-08-22 03:48:53,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 465 [2020-08-22 03:48:53,333 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 03:48:53,333 INFO L422 BasicCegarLoop]: trace histogram [67, 67, 54, 33, 33, 33, 33, 33, 33, 33, 21, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 03:48:53,334 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-08-22 03:48:53,334 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 03:48:53,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 03:48:53,334 INFO L82 PathProgramCache]: Analyzing trace with hash -211711407, now seen corresponding path program 10 times [2020-08-22 03:48:53,335 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 03:48:53,335 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1265154612] [2020-08-22 03:48:53,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 03:48:53,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:53,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 03:48:53,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:53,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 03:48:53,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:53,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:53,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:53,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:53,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:53,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:53,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:53,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:53,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:53,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:53,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:53,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:53,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:53,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:53,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:54,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:48:54,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:54,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 03:48:54,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:54,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:48:54,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:54,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:54,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:54,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:48:54,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:54,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 03:48:54,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:54,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:54,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:54,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:54,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:54,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:48:54,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:54,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 03:48:54,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:54,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 03:48:54,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:54,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:54,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:54,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:54,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:54,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:54,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:54,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:48:54,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:54,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 03:48:54,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:54,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:48:54,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:54,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:54,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:54,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:48:54,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:54,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 03:48:54,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:54,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:54,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:54,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:54,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:54,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:54,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:54,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:54,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:54,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:48:54,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:54,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 03:48:54,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:54,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:48:54,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:54,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:54,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:54,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:48:54,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:54,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 03:48:54,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:54,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:54,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:54,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:54,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:54,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:48:54,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:54,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 03:48:54,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:54,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-22 03:48:54,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:54,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:54,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:54,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:54,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:54,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:54,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:54,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:54,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:54,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:54,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:54,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:48:54,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:54,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 03:48:54,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:54,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:48:54,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:54,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:54,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:54,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:48:54,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:54,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 03:48:54,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:54,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:54,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:54,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:54,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:54,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:48:54,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:54,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 03:48:54,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:54,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 03:48:54,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:54,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:54,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:54,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:54,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:54,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:54,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:54,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:48:54,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:54,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 03:48:54,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:54,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:48:54,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:54,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:54,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:54,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:48:54,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:54,588 INFO L134 CoverageAnalysis]: Checked inductivity of 12387 backedges. 361 proven. 2270 refuted. 0 times theorem prover too weak. 9756 trivial. 0 not checked. [2020-08-22 03:48:54,589 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1265154612] [2020-08-22 03:48:54,589 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 03:48:54,589 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-08-22 03:48:54,589 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973124806] [2020-08-22 03:48:54,590 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-22 03:48:54,590 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 03:48:54,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-22 03:48:54,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2020-08-22 03:48:54,591 INFO L87 Difference]: Start difference. First operand 113 states and 157 transitions. Second operand 12 states. [2020-08-22 03:48:54,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 03:48:54,852 INFO L93 Difference]: Finished difference Result 120 states and 168 transitions. [2020-08-22 03:48:54,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-08-22 03:48:54,852 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 464 [2020-08-22 03:48:54,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 03:48:54,855 INFO L225 Difference]: With dead ends: 120 [2020-08-22 03:48:54,855 INFO L226 Difference]: Without dead ends: 116 [2020-08-22 03:48:54,856 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=137, Invalid=243, Unknown=0, NotChecked=0, Total=380 [2020-08-22 03:48:54,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2020-08-22 03:48:54,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2020-08-22 03:48:54,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2020-08-22 03:48:54,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 164 transitions. [2020-08-22 03:48:54,866 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 164 transitions. Word has length 464 [2020-08-22 03:48:54,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 03:48:54,867 INFO L479 AbstractCegarLoop]: Abstraction has 116 states and 164 transitions. [2020-08-22 03:48:54,867 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-22 03:48:54,867 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 164 transitions. [2020-08-22 03:48:54,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1037 [2020-08-22 03:48:54,911 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 03:48:54,912 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, 1] [2020-08-22 03:48:54,912 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-08-22 03:48:54,912 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 03:48:54,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 03:48:54,913 INFO L82 PathProgramCache]: Analyzing trace with hash 405953011, now seen corresponding path program 11 times [2020-08-22 03:48:54,913 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 03:48:54,913 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1588592120] [2020-08-22 03:48:54,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 03:48:55,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:55,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 03:48:55,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:55,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 03:48:55,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:56,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:56,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:56,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:56,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:56,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:56,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:56,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:56,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:56,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:56,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:56,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:56,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:56,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:56,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:56,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:56,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:56,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:48:56,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:56,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 03:48:56,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:56,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:48:56,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:56,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:56,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:56,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:48:56,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:56,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 03:48:56,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:56,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:56,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:56,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:56,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:56,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:48:56,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:56,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 03:48:56,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:56,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 03:48:56,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:56,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:56,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:56,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:56,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:56,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:56,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:56,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:48:56,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:56,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 03:48:56,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:56,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:48:56,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:56,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:56,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:56,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:48:56,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:56,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 03:48:56,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:56,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:56,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:56,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:56,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:56,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:56,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:56,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:56,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:56,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:48:56,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:56,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 03:48:56,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:56,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:48:56,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:56,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:56,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:56,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:48:56,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:56,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 03:48:56,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:56,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:56,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:56,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:56,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:56,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:48:56,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:56,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 03:48:56,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:56,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-22 03:48:56,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:56,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:56,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:56,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:56,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:56,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:56,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:56,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:56,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:56,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:56,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:56,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:48:56,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:56,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 03:48:56,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:56,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:48:56,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:56,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:56,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:56,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:48:56,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:56,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 03:48:56,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:56,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:56,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:56,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:56,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:56,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:48:56,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:56,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 03:48:56,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:56,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 03:48:56,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:56,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:56,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:56,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:56,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:56,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:56,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:56,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:48:56,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:56,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 03:48:56,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:56,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:48:56,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:56,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:56,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:56,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:48:56,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:57,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-08-22 03:48:57,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:57,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:57,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:57,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:57,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:57,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:57,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:57,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:57,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:57,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:57,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:57,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:57,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:57,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:57,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:57,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:57,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:57,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:48:57,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:57,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 03:48:57,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:57,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:48:57,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:57,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:57,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:57,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:48:57,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:57,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 03:48:57,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:57,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:57,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:57,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:57,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:57,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:48:57,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:57,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 03:48:57,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:57,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 03:48:57,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:57,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:57,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:57,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:57,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:58,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:48:58,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 03:48:58,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:48:58,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:58,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:48:58,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 03:48:58,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:58,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:58,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:58,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:58,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:48:58,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 03:48:58,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:48:58,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:58,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:48:58,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 03:48:58,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:58,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:58,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:48:58,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 03:48:58,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-22 03:48:58,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:58,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:58,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:58,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:58,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:48:58,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 03:48:58,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:48:58,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:58,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:48:58,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 03:48:58,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:58,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:58,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:48:58,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 03:48:58,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2020-08-22 03:48:58,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:58,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:58,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:58,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:58,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:58,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:48:58,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 03:48:58,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:48:58,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:58,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:48:58,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 03:48:58,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:58,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:58,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:48:58,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 03:48:58,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 03:48:58,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:58,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:58,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:58,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:48:58,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 03:48:58,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:48:58,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:48:58,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:48:58,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:59,785 INFO L134 CoverageAnalysis]: Checked inductivity of 63781 backedges. 4264 proven. 7122 refuted. 0 times theorem prover too weak. 52395 trivial. 0 not checked. [2020-08-22 03:48:59,785 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1588592120] [2020-08-22 03:48:59,785 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 03:48:59,786 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-08-22 03:48:59,786 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433160980] [2020-08-22 03:48:59,787 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-08-22 03:48:59,787 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 03:48:59,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-08-22 03:48:59,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2020-08-22 03:48:59,788 INFO L87 Difference]: Start difference. First operand 116 states and 164 transitions. Second operand 19 states. [2020-08-22 03:49:00,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 03:49:00,903 INFO L93 Difference]: Finished difference Result 269 states and 443 transitions. [2020-08-22 03:49:00,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2020-08-22 03:49:00,905 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 1036 [2020-08-22 03:49:00,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 03:49:00,908 INFO L225 Difference]: With dead ends: 269 [2020-08-22 03:49:00,908 INFO L226 Difference]: Without dead ends: 162 [2020-08-22 03:49:00,912 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 359 GetRequests, 306 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 784 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=597, Invalid=2373, Unknown=0, NotChecked=0, Total=2970 [2020-08-22 03:49:00,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2020-08-22 03:49:00,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 138. [2020-08-22 03:49:00,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2020-08-22 03:49:00,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 190 transitions. [2020-08-22 03:49:00,928 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 190 transitions. Word has length 1036 [2020-08-22 03:49:00,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 03:49:00,929 INFO L479 AbstractCegarLoop]: Abstraction has 138 states and 190 transitions. [2020-08-22 03:49:00,929 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-08-22 03:49:00,929 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 190 transitions. [2020-08-22 03:49:00,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 751 [2020-08-22 03:49:00,936 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 03:49:00,936 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, 1] [2020-08-22 03:49:00,937 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-08-22 03:49:00,937 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 03:49:00,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 03:49:00,937 INFO L82 PathProgramCache]: Analyzing trace with hash 1020040988, now seen corresponding path program 12 times [2020-08-22 03:49:00,938 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 03:49:00,938 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1845053917] [2020-08-22 03:49:00,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 03:49:01,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:01,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 03:49:01,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:01,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 03:49:01,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:02,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:49:02,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:02,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:49:02,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:02,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:49:02,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:02,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:49:02,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:02,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:49:02,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:02,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:49:02,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:02,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:49:02,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:02,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:49:02,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:02,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:49:02,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:02,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 03:49:02,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:02,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:49:02,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:02,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:49:02,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:02,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:49:02,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:02,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 03:49:02,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:02,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:49:02,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:02,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:49:02,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:02,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:49:02,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:02,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 03:49:02,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:02,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 03:49:02,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:02,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:49:02,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:02,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:49:02,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:02,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:49:02,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:02,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:49:02,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:02,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 03:49:02,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:02,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:49:02,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:02,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:49:02,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:02,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:49:02,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:02,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 03:49:02,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:02,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:49:02,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:02,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:49:02,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:02,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:49:02,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:02,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:49:02,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:02,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:49:02,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:02,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 03:49:02,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:02,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:49:02,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:02,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:49:02,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:02,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:49:02,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:02,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 03:49:02,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:02,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:49:02,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:02,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:49:02,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:02,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:49:02,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:02,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 03:49:02,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:02,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-22 03:49:03,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:49:03,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:49:03,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:49:03,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:49:03,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:49:03,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:49:03,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 03:49:03,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:49:03,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:49:03,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:49:03,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 03:49:03,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:49:03,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:49:03,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:49:03,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 03:49:03,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 03:49:03,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:49:03,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:49:03,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:49:03,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:49:03,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 03:49:03,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:49:03,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:49:03,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:49:03,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-08-22 03:49:03,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:49:03,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:49:03,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:49:03,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:49:03,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:49:03,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:49:03,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:49:03,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 03:49:03,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:49:03,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:49:03,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:49:03,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 03:49:03,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:49:03,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:49:03,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:49:03,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 03:49:03,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 03:49:03,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:49:03,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:49:03,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:49:03,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:49:03,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 03:49:03,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:49:03,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:49:03,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:49:03,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 03:49:03,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:49:03,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:49:03,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:49:03,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:49:03,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:49:03,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 03:49:03,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:49:03,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:49:03,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:49:03,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 03:49:03,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:49:03,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 03:49:03,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 03:49:03,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 03:49:03,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:04,417 INFO L134 CoverageAnalysis]: Checked inductivity of 33096 backedges. 5957 proven. 4942 refuted. 0 times theorem prover too weak. 22197 trivial. 0 not checked. [2020-08-22 03:49:04,417 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1845053917] [2020-08-22 03:49:04,417 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 03:49:04,417 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2020-08-22 03:49:04,418 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782359085] [2020-08-22 03:49:04,419 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-08-22 03:49:04,419 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 03:49:04,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-08-22 03:49:04,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=618, Unknown=0, NotChecked=0, Total=756 [2020-08-22 03:49:04,420 INFO L87 Difference]: Start difference. First operand 138 states and 190 transitions. Second operand 28 states. [2020-08-22 03:49:04,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 03:49:04,787 INFO L93 Difference]: Finished difference Result 139 states and 191 transitions. [2020-08-22 03:49:04,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-08-22 03:49:04,789 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 750 [2020-08-22 03:49:04,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 03:49:04,791 INFO L225 Difference]: With dead ends: 139 [2020-08-22 03:49:04,791 INFO L226 Difference]: Without dead ends: 0 [2020-08-22 03:49:04,794 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 450 GetRequests, 415 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=271, Invalid=1061, Unknown=0, NotChecked=0, Total=1332 [2020-08-22 03:49:04,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-22 03:49:04,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-22 03:49:04,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-22 03:49:04,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-22 03:49:04,797 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 750 [2020-08-22 03:49:04,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 03:49:04,798 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-22 03:49:04,798 INFO L480 AbstractCegarLoop]: Interpolant automaton has 28 states. [2020-08-22 03:49:04,798 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-22 03:49:04,798 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-22 03:49:04,798 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-08-22 03:49:04,801 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-22 03:49:05,302 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 6 [2020-08-22 03:49:05,804 WARN L193 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 44 [2020-08-22 03:49:05,808 INFO L268 CegarLoopResult]: For program point fibonacciFINAL(lines 14 22) no Hoare annotation was computed. [2020-08-22 03:49:05,808 INFO L271 CegarLoopResult]: At program point fibonacciENTRY(lines 14 22) the Hoare annotation is: true [2020-08-22 03:49:05,808 INFO L264 CegarLoopResult]: At program point L20(line 20) the Hoare annotation is: (and (= fibonacci_~n |fibonacci_#in~n|) (<= 2 |fibonacci_#in~n|)) [2020-08-22 03:49:05,809 INFO L268 CegarLoopResult]: For program point L20-1(line 20) no Hoare annotation was computed. [2020-08-22 03:49:05,809 INFO L264 CegarLoopResult]: At program point L20-2(line 20) the Hoare annotation is: (let ((.cse2 (<= 1 |fibonacci_#t~ret0|)) (.cse0 (= fibonacci_~n |fibonacci_#in~n|)) (.cse1 (<= 7 fibonacci_~n))) (or (and (<= |fibonacci_#in~n| 8) .cse0 .cse1 (<= 13 |fibonacci_#t~ret0|)) (and (<= |fibonacci_#in~n| 2) .cse2 .cse0 (<= 2 |fibonacci_#in~n|)) (and (<= |fibonacci_#in~n| 6) (<= 5 |fibonacci_#t~ret0|) .cse0 (<= 6 |fibonacci_#in~n|)) (and (<= 21 |fibonacci_#t~ret0|) (<= 8 |fibonacci_#in~n|) .cse0) (and (<= 4 |fibonacci_#in~n|) .cse0 (<= 2 |fibonacci_#t~ret0|) (<= |fibonacci_#in~n| 4)) (and (<= 5 |fibonacci_#in~n|) .cse0 (<= 3 |fibonacci_#t~ret0|) (<= |fibonacci_#in~n| 5)) (and .cse2 (<= |fibonacci_#in~n| 3) .cse0 (<= 3 |fibonacci_#in~n|)) (and .cse0 .cse1 (<= 8 |fibonacci_#t~ret0|) (<= |fibonacci_#in~n| 7)))) [2020-08-22 03:49:05,809 INFO L268 CegarLoopResult]: For program point fibonacciEXIT(lines 14 22) no Hoare annotation was computed. [2020-08-22 03:49:05,809 INFO L268 CegarLoopResult]: For program point L17(lines 17 21) no Hoare annotation was computed. [2020-08-22 03:49:05,809 INFO L268 CegarLoopResult]: For program point L20-3(line 20) no Hoare annotation was computed. [2020-08-22 03:49:05,809 INFO L268 CegarLoopResult]: For program point L15(lines 15 21) no Hoare annotation was computed. [2020-08-22 03:49:05,809 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-08-22 03:49:05,810 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-22 03:49:05,810 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-22 03:49:05,810 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-08-22 03:49:05,810 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-22 03:49:05,810 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-22 03:49:05,811 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 34) no Hoare annotation was computed. [2020-08-22 03:49:05,811 INFO L268 CegarLoopResult]: For program point L31(lines 31 35) no Hoare annotation was computed. [2020-08-22 03:49:05,811 INFO L271 CegarLoopResult]: At program point L30(line 30) the Hoare annotation is: true [2020-08-22 03:49:05,811 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 25 36) the Hoare annotation is: true [2020-08-22 03:49:05,811 INFO L268 CegarLoopResult]: For program point L30-1(line 30) no Hoare annotation was computed. [2020-08-22 03:49:05,812 INFO L268 CegarLoopResult]: For program point L27(lines 27 29) no Hoare annotation was computed. [2020-08-22 03:49:05,812 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 25 36) no Hoare annotation was computed. [2020-08-22 03:49:05,812 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 25 36) no Hoare annotation was computed. [2020-08-22 03:49:05,812 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-08-22 03:49:05,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 03:49:05 BoogieIcfgContainer [2020-08-22 03:49:05,818 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 03:49:05,820 INFO L168 Benchmark]: Toolchain (without parser) took 21686.48 ms. Allocated memory was 148.9 MB in the beginning and 1.1 GB in the end (delta: 991.4 MB). Free memory was 105.5 MB in the beginning and 629.1 MB in the end (delta: -523.6 MB). Peak memory consumption was 467.9 MB. Max. memory is 7.1 GB. [2020-08-22 03:49:05,821 INFO L168 Benchmark]: CDTParser took 0.87 ms. Allocated memory is still 148.9 MB. Free memory was 123.4 MB in the beginning and 123.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-22 03:49:05,822 INFO L168 Benchmark]: CACSL2BoogieTranslator took 237.49 ms. Allocated memory is still 148.9 MB. Free memory was 105.3 MB in the beginning and 95.9 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2020-08-22 03:49:05,822 INFO L168 Benchmark]: Boogie Preprocessor took 29.01 ms. Allocated memory is still 148.9 MB. Free memory was 95.9 MB in the beginning and 94.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2020-08-22 03:49:05,823 INFO L168 Benchmark]: RCFGBuilder took 342.38 ms. Allocated memory was 148.9 MB in the beginning and 205.0 MB in the end (delta: 56.1 MB). Free memory was 94.4 MB in the beginning and 172.0 MB in the end (delta: -77.5 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2020-08-22 03:49:05,824 INFO L168 Benchmark]: TraceAbstraction took 21070.55 ms. Allocated memory was 205.0 MB in the beginning and 1.1 GB in the end (delta: 935.3 MB). Free memory was 171.3 MB in the beginning and 629.1 MB in the end (delta: -457.8 MB). Peak memory consumption was 477.6 MB. Max. memory is 7.1 GB. [2020-08-22 03:49:05,827 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.87 ms. Allocated memory is still 148.9 MB. Free memory was 123.4 MB in the beginning and 123.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 237.49 ms. Allocated memory is still 148.9 MB. Free memory was 105.3 MB in the beginning and 95.9 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 29.01 ms. Allocated memory is still 148.9 MB. Free memory was 95.9 MB in the beginning and 94.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 342.38 ms. Allocated memory was 148.9 MB in the beginning and 205.0 MB in the end (delta: 56.1 MB). Free memory was 94.4 MB in the beginning and 172.0 MB in the end (delta: -77.5 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 21070.55 ms. Allocated memory was 205.0 MB in the beginning and 1.1 GB in the end (delta: 935.3 MB). Free memory was 171.3 MB in the beginning and 629.1 MB in the end (delta: -457.8 MB). Peak memory consumption was 477.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 34]: 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, 24 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 19.9s, OverallIterations: 15, TraceHistogramMax: 151, AutomataDifference: 4.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 372 SDtfs, 807 SDslu, 1290 SDs, 0 SdLazy, 2180 SolverSat, 730 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1592 GetRequests, 1328 SyntacticMatches, 0 SemanticMatches, 264 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1684 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=392occurred in iteration=11, 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, 114 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 467 PreInvPairs, 563 NumberOfFragments, 115 HoareAnnotationTreeSize, 467 FomulaSimplifications, 769 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 8 FomulaSimplificationsInter, 2799 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 12.3s InterpolantComputationTime, 3758 NumberOfCodeBlocks, 3758 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 3743 ConstructedInterpolants, 0 QuantifiedInterpolants, 3447323 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 2 PerfectInterpolantSequences, 114301/134037 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...