/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/recursive/Fibonacci02.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-24 00:37:56,322 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 00:37:56,324 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 00:37:56,361 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-10-24 00:37:56,374 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 00:37:56,375 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 00:37:56,377 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 00:37:56,378 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 00:37:56,379 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 00:37:56,380 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 00:37:56,395 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 00:37:56,398 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 00:37:56,403 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 00:37:56,407 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 00:37:56,409 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 00:37:56,410 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 00:37:56,417 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-24 00:37:56,435 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-10-24 00:37:56,456 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 00:37:56,456 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 00:37:56,461 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 00:37:56,461 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 00:37:56,461 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 00:37:56,461 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 00:37:56,461 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 00:37:56,462 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 00:37:56,462 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 00:37:56,462 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 00:37:56,463 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 00:37:56,463 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 00:37:56,463 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 00:37:56,463 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 00:37:56,464 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 00:37:56,464 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-10-24 00:37:56,464 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 00:37:56,464 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 00:37:56,465 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 00:37:56,465 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 00:37:56,465 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-10-24 00:37:56,465 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 00:37:56,465 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-10-24 00:37:56,837 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 00:37:56,864 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 00:37:56,868 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 00:37:56,869 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 00:37:56,870 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 00:37:56,871 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive/Fibonacci02.c [2020-10-24 00:37:56,976 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6261aaa91/65b1d476c39c44488b96908e773f0b8f/FLAG9c7466662 [2020-10-24 00:37:57,584 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 00:37:57,585 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/recursive/Fibonacci02.c [2020-10-24 00:37:57,592 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6261aaa91/65b1d476c39c44488b96908e773f0b8f/FLAG9c7466662 [2020-10-24 00:37:57,967 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6261aaa91/65b1d476c39c44488b96908e773f0b8f [2020-10-24 00:37:57,970 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 00:37:57,978 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-24 00:37:57,984 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 00:37:57,984 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 00:37:57,989 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 00:37:57,990 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 12:37:57" (1/1) ... [2020-10-24 00:37:57,994 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dbb6873 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:37:57, skipping insertion in model container [2020-10-24 00:37:57,994 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 12:37:57" (1/1) ... [2020-10-24 00:37:58,003 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 00:37:58,020 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 00:37:58,191 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 00:37:58,201 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 00:37:58,217 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 00:37:58,232 INFO L208 MainTranslator]: Completed translation [2020-10-24 00:37:58,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:37:58 WrapperNode [2020-10-24 00:37:58,233 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 00:37:58,234 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 00:37:58,234 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 00:37:58,234 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 00:37:58,248 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:37:58" (1/1) ... [2020-10-24 00:37:58,248 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:37:58" (1/1) ... [2020-10-24 00:37:58,256 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:37:58" (1/1) ... [2020-10-24 00:37:58,256 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:37:58" (1/1) ... [2020-10-24 00:37:58,262 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:37:58" (1/1) ... [2020-10-24 00:37:58,264 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:37:58" (1/1) ... [2020-10-24 00:37:58,265 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:37:58" (1/1) ... [2020-10-24 00:37:58,267 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 00:37:58,268 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 00:37:58,268 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 00:37:58,268 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 00:37:58,269 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:37:58" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2020-10-24 00:37:58,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-24 00:37:58,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 00:37:58,344 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-24 00:37:58,344 INFO L138 BoogieDeclarations]: Found implementation of procedure fibonacci [2020-10-24 00:37:58,344 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-24 00:37:58,344 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-24 00:37:58,345 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-24 00:37:58,345 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-24 00:37:58,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 00:37:58,346 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-24 00:37:58,346 INFO L130 BoogieDeclarations]: Found specification of procedure fibonacci [2020-10-24 00:37:58,346 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-24 00:37:58,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-24 00:37:58,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 00:37:58,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 00:37:58,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-24 00:37:58,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-24 00:37:58,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 00:37:58,692 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 00:37:58,693 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-24 00:37:58,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 12:37:58 BoogieIcfgContainer [2020-10-24 00:37:58,695 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 00:37:58,697 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 00:37:58,698 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 00:37:58,710 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 00:37:58,710 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 12:37:57" (1/3) ... [2020-10-24 00:37:58,712 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c3a6592 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 12:37:58, skipping insertion in model container [2020-10-24 00:37:58,712 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:37:58" (2/3) ... [2020-10-24 00:37:58,712 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c3a6592 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 12:37:58, skipping insertion in model container [2020-10-24 00:37:58,713 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 12:37:58" (3/3) ... [2020-10-24 00:37:58,718 INFO L111 eAbstractionObserver]: Analyzing ICFG Fibonacci02.c [2020-10-24 00:37:58,748 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-24 00:37:58,758 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 00:37:58,775 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 00:37:58,814 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 00:37:58,816 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 00:37:58,816 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-24 00:37:58,816 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 00:37:58,816 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 00:37:58,816 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 00:37:58,816 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 00:37:58,817 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 00:37:58,839 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states. [2020-10-24 00:37:58,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-24 00:37:58,852 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:37:58,853 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:37:58,854 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:37:58,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:37:58,866 INFO L82 PathProgramCache]: Analyzing trace with hash 323833444, now seen corresponding path program 1 times [2020-10-24 00:37:58,877 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:37:58,878 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [876766766] [2020-10-24 00:37:58,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:37:59,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:37:59,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:37:59,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:37:59,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:37:59,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:37:59,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 00:37:59,271 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [876766766] [2020-10-24 00:37:59,273 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:37:59,274 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-24 00:37:59,274 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071387818] [2020-10-24 00:37:59,279 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-24 00:37:59,280 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:37:59,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-24 00:37:59,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-24 00:37:59,297 INFO L87 Difference]: Start difference. First operand 43 states. Second operand 6 states. [2020-10-24 00:37:59,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:37:59,690 INFO L93 Difference]: Finished difference Result 57 states and 64 transitions. [2020-10-24 00:37:59,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-24 00:37:59,693 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2020-10-24 00:37:59,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:37:59,706 INFO L225 Difference]: With dead ends: 57 [2020-10-24 00:37:59,707 INFO L226 Difference]: Without dead ends: 37 [2020-10-24 00:37:59,715 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-24 00:37:59,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-10-24 00:37:59,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2020-10-24 00:37:59,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-10-24 00:37:59,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 41 transitions. [2020-10-24 00:37:59,801 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 41 transitions. Word has length 25 [2020-10-24 00:37:59,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:37:59,802 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 41 transitions. [2020-10-24 00:37:59,802 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-24 00:37:59,802 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 41 transitions. [2020-10-24 00:37:59,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-24 00:37:59,804 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:37:59,804 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:37:59,805 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-24 00:37:59,805 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:37:59,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:37:59,806 INFO L82 PathProgramCache]: Analyzing trace with hash 453858758, now seen corresponding path program 1 times [2020-10-24 00:37:59,806 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:37:59,807 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1131542397] [2020-10-24 00:37:59,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:37:59,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:37:59,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:37:59,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:37:59,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:37:59,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:37:59,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 00:37:59,975 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1131542397] [2020-10-24 00:37:59,975 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:37:59,975 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-24 00:37:59,976 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459343227] [2020-10-24 00:37:59,977 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-24 00:37:59,977 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:37:59,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-24 00:37:59,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-24 00:37:59,979 INFO L87 Difference]: Start difference. First operand 37 states and 41 transitions. Second operand 6 states. [2020-10-24 00:38:00,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:38:00,291 INFO L93 Difference]: Finished difference Result 46 states and 51 transitions. [2020-10-24 00:38:00,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-24 00:38:00,292 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2020-10-24 00:38:00,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:38:00,294 INFO L225 Difference]: With dead ends: 46 [2020-10-24 00:38:00,294 INFO L226 Difference]: Without dead ends: 39 [2020-10-24 00:38:00,296 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-24 00:38:00,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2020-10-24 00:38:00,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 37. [2020-10-24 00:38:00,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-10-24 00:38:00,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 41 transitions. [2020-10-24 00:38:00,312 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 41 transitions. Word has length 26 [2020-10-24 00:38:00,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:38:00,313 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 41 transitions. [2020-10-24 00:38:00,313 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-24 00:38:00,313 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 41 transitions. [2020-10-24 00:38:00,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-10-24 00:38:00,315 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:38:00,315 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:38:00,315 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-24 00:38:00,315 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:38:00,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:38:00,316 INFO L82 PathProgramCache]: Analyzing trace with hash 1084734409, now seen corresponding path program 1 times [2020-10-24 00:38:00,317 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:38:00,317 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1974661274] [2020-10-24 00:38:00,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:38:00,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:00,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:38:00,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:00,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:38:00,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:00,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:00,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:00,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-24 00:38:00,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:00,469 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-24 00:38:00,470 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1974661274] [2020-10-24 00:38:00,470 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:38:00,470 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-24 00:38:00,471 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862236749] [2020-10-24 00:38:00,471 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-24 00:38:00,471 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:38:00,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-24 00:38:00,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-24 00:38:00,473 INFO L87 Difference]: Start difference. First operand 37 states and 41 transitions. Second operand 7 states. [2020-10-24 00:38:00,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:38:00,783 INFO L93 Difference]: Finished difference Result 62 states and 73 transitions. [2020-10-24 00:38:00,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-24 00:38:00,784 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 42 [2020-10-24 00:38:00,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:38:00,785 INFO L225 Difference]: With dead ends: 62 [2020-10-24 00:38:00,786 INFO L226 Difference]: Without dead ends: 39 [2020-10-24 00:38:00,787 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-24 00:38:00,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2020-10-24 00:38:00,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2020-10-24 00:38:00,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-10-24 00:38:00,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 43 transitions. [2020-10-24 00:38:00,802 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 43 transitions. Word has length 42 [2020-10-24 00:38:00,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:38:00,802 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 43 transitions. [2020-10-24 00:38:00,803 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-24 00:38:00,803 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 43 transitions. [2020-10-24 00:38:00,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-10-24 00:38:00,805 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:38:00,805 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:38:00,805 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-24 00:38:00,805 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:38:00,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:38:00,806 INFO L82 PathProgramCache]: Analyzing trace with hash -393885993, now seen corresponding path program 1 times [2020-10-24 00:38:00,806 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:38:00,807 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1892060742] [2020-10-24 00:38:00,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:38:00,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:00,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:38:00,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:00,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:38:00,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:01,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:01,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:01,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:01,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:01,053 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-24 00:38:01,054 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1892060742] [2020-10-24 00:38:01,054 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:38:01,054 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-24 00:38:01,054 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302952097] [2020-10-24 00:38:01,055 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-24 00:38:01,055 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:38:01,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-24 00:38:01,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-24 00:38:01,056 INFO L87 Difference]: Start difference. First operand 39 states and 43 transitions. Second operand 7 states. [2020-10-24 00:38:01,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:38:01,430 INFO L93 Difference]: Finished difference Result 66 states and 80 transitions. [2020-10-24 00:38:01,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-24 00:38:01,430 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 43 [2020-10-24 00:38:01,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:38:01,433 INFO L225 Difference]: With dead ends: 66 [2020-10-24 00:38:01,433 INFO L226 Difference]: Without dead ends: 59 [2020-10-24 00:38:01,434 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-24 00:38:01,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2020-10-24 00:38:01,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2020-10-24 00:38:01,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-10-24 00:38:01,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 73 transitions. [2020-10-24 00:38:01,457 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 73 transitions. Word has length 43 [2020-10-24 00:38:01,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:38:01,457 INFO L481 AbstractCegarLoop]: Abstraction has 59 states and 73 transitions. [2020-10-24 00:38:01,457 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-24 00:38:01,457 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 73 transitions. [2020-10-24 00:38:01,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-10-24 00:38:01,460 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:38:01,461 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:38:01,461 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-24 00:38:01,461 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:38:01,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:38:01,462 INFO L82 PathProgramCache]: Analyzing trace with hash 1792109622, now seen corresponding path program 2 times [2020-10-24 00:38:01,462 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:38:01,462 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [233017837] [2020-10-24 00:38:01,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:38:01,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:01,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:38:01,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:01,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:38:01,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:01,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:01,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:01,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:01,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:01,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:01,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:01,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:01,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:01,681 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-10-24 00:38:01,681 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [233017837] [2020-10-24 00:38:01,681 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:38:01,682 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-24 00:38:01,682 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644605413] [2020-10-24 00:38:01,682 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-24 00:38:01,683 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:38:01,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-24 00:38:01,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-24 00:38:01,684 INFO L87 Difference]: Start difference. First operand 59 states and 73 transitions. Second operand 8 states. [2020-10-24 00:38:02,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:38:02,173 INFO L93 Difference]: Finished difference Result 118 states and 161 transitions. [2020-10-24 00:38:02,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-24 00:38:02,174 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 60 [2020-10-24 00:38:02,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:38:02,177 INFO L225 Difference]: With dead ends: 118 [2020-10-24 00:38:02,177 INFO L226 Difference]: Without dead ends: 73 [2020-10-24 00:38:02,179 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-10-24 00:38:02,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-10-24 00:38:02,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 61. [2020-10-24 00:38:02,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2020-10-24 00:38:02,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 76 transitions. [2020-10-24 00:38:02,209 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 76 transitions. Word has length 60 [2020-10-24 00:38:02,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:38:02,210 INFO L481 AbstractCegarLoop]: Abstraction has 61 states and 76 transitions. [2020-10-24 00:38:02,210 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-24 00:38:02,210 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 76 transitions. [2020-10-24 00:38:02,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-10-24 00:38:02,216 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:38:02,217 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:38:02,217 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-24 00:38:02,219 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:38:02,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:38:02,220 INFO L82 PathProgramCache]: Analyzing trace with hash -22074700, now seen corresponding path program 3 times [2020-10-24 00:38:02,220 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:38:02,220 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1179783763] [2020-10-24 00:38:02,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:38:02,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:02,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:38:02,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:02,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:38:02,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:02,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:02,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:02,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:02,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:02,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:02,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:02,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:02,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:02,492 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 6 proven. 28 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-10-24 00:38:02,493 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1179783763] [2020-10-24 00:38:02,493 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:38:02,493 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-24 00:38:02,494 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135583301] [2020-10-24 00:38:02,494 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-24 00:38:02,494 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:38:02,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-24 00:38:02,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-24 00:38:02,495 INFO L87 Difference]: Start difference. First operand 61 states and 76 transitions. Second operand 8 states. [2020-10-24 00:38:02,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:38:02,969 INFO L93 Difference]: Finished difference Result 96 states and 124 transitions. [2020-10-24 00:38:02,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-24 00:38:02,970 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 61 [2020-10-24 00:38:02,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:38:02,973 INFO L225 Difference]: With dead ends: 96 [2020-10-24 00:38:02,973 INFO L226 Difference]: Without dead ends: 89 [2020-10-24 00:38:02,974 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2020-10-24 00:38:02,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2020-10-24 00:38:03,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 83. [2020-10-24 00:38:03,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2020-10-24 00:38:03,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 109 transitions. [2020-10-24 00:38:03,004 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 109 transitions. Word has length 61 [2020-10-24 00:38:03,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:38:03,005 INFO L481 AbstractCegarLoop]: Abstraction has 83 states and 109 transitions. [2020-10-24 00:38:03,005 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-24 00:38:03,005 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 109 transitions. [2020-10-24 00:38:03,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-10-24 00:38:03,010 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:38:03,010 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:38:03,010 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-24 00:38:03,010 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:38:03,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:38:03,011 INFO L82 PathProgramCache]: Analyzing trace with hash 1161292134, now seen corresponding path program 4 times [2020-10-24 00:38:03,011 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:38:03,011 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1515136693] [2020-10-24 00:38:03,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:38:03,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:03,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:38:03,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:03,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:38:03,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:03,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:03,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:03,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:03,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:03,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:03,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:03,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:03,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:03,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:03,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:03,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:03,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:03,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:03,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:03,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:03,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:03,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:03,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:03,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:03,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:03,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:03,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:03,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:03,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:03,426 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 36 proven. 197 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2020-10-24 00:38:03,431 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1515136693] [2020-10-24 00:38:03,431 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:38:03,431 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-24 00:38:03,432 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701662013] [2020-10-24 00:38:03,432 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-24 00:38:03,433 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:38:03,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-24 00:38:03,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-24 00:38:03,434 INFO L87 Difference]: Start difference. First operand 83 states and 109 transitions. Second operand 9 states. [2020-10-24 00:38:04,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:38:04,090 INFO L93 Difference]: Finished difference Result 146 states and 199 transitions. [2020-10-24 00:38:04,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-24 00:38:04,091 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 132 [2020-10-24 00:38:04,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:38:04,100 INFO L225 Difference]: With dead ends: 146 [2020-10-24 00:38:04,100 INFO L226 Difference]: Without dead ends: 139 [2020-10-24 00:38:04,103 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2020-10-24 00:38:04,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2020-10-24 00:38:04,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 127. [2020-10-24 00:38:04,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2020-10-24 00:38:04,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 177 transitions. [2020-10-24 00:38:04,175 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 177 transitions. Word has length 132 [2020-10-24 00:38:04,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:38:04,176 INFO L481 AbstractCegarLoop]: Abstraction has 127 states and 177 transitions. [2020-10-24 00:38:04,176 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-24 00:38:04,177 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 177 transitions. [2020-10-24 00:38:04,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2020-10-24 00:38:04,186 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:38:04,186 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 17, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 7, 7, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:38:04,187 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-24 00:38:04,187 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:38:04,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:38:04,187 INFO L82 PathProgramCache]: Analyzing trace with hash 1404627884, now seen corresponding path program 5 times [2020-10-24 00:38:04,188 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:38:04,189 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [683670625] [2020-10-24 00:38:04,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:38:04,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:04,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:38:04,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:04,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:38:04,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:04,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:04,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:04,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:04,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:04,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:04,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:04,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:04,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:04,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:04,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:04,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:04,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:04,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:04,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:04,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:04,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:04,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:04,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:04,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-24 00:38:04,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:04,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:04,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:04,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:04,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:04,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:04,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:04,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:04,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:04,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:04,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:04,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:04,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:04,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:04,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:04,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:04,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:04,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:04,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:04,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-24 00:38:04,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:04,700 INFO L134 CoverageAnalysis]: Checked inductivity of 1318 backedges. 78 proven. 452 refuted. 0 times theorem prover too weak. 788 trivial. 0 not checked. [2020-10-24 00:38:04,701 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [683670625] [2020-10-24 00:38:04,701 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:38:04,701 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-24 00:38:04,701 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760904118] [2020-10-24 00:38:04,702 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-24 00:38:04,703 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:38:04,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-24 00:38:04,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-24 00:38:04,704 INFO L87 Difference]: Start difference. First operand 127 states and 177 transitions. Second operand 10 states. [2020-10-24 00:38:05,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:38:05,457 INFO L93 Difference]: Finished difference Result 240 states and 348 transitions. [2020-10-24 00:38:05,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-24 00:38:05,457 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 202 [2020-10-24 00:38:05,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:38:05,461 INFO L225 Difference]: With dead ends: 240 [2020-10-24 00:38:05,462 INFO L226 Difference]: Without dead ends: 233 [2020-10-24 00:38:05,463 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=115, Invalid=265, Unknown=0, NotChecked=0, Total=380 [2020-10-24 00:38:05,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2020-10-24 00:38:05,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 215. [2020-10-24 00:38:05,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 215 states. [2020-10-24 00:38:05,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 319 transitions. [2020-10-24 00:38:05,534 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 319 transitions. Word has length 202 [2020-10-24 00:38:05,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:38:05,536 INFO L481 AbstractCegarLoop]: Abstraction has 215 states and 319 transitions. [2020-10-24 00:38:05,536 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-24 00:38:05,537 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 319 transitions. [2020-10-24 00:38:05,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2020-10-24 00:38:05,545 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:38:05,546 INFO L422 BasicCegarLoop]: trace histogram [29, 29, 23, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 9, 9, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:38:05,546 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-24 00:38:05,546 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:38:05,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:38:05,547 INFO L82 PathProgramCache]: Analyzing trace with hash -2084975604, now seen corresponding path program 6 times [2020-10-24 00:38:05,547 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:38:05,547 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [617278702] [2020-10-24 00:38:05,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:38:05,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:05,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:38:05,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:05,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:38:05,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:05,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:05,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:05,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:05,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:05,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:05,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:05,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:05,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:05,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:05,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:05,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:05,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:05,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:05,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:05,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:05,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:05,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:05,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:06,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:06,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:06,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-24 00:38:06,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:06,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:06,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:06,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:06,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:06,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:06,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:06,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:06,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:06,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-24 00:38:06,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:06,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:06,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:06,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:06,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:06,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:06,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:06,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:06,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:06,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:06,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:06,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:06,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:06,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:06,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:06,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:06,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:06,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:06,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:06,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-24 00:38:06,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:06,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:06,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:06,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:06,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:06,386 INFO L134 CoverageAnalysis]: Checked inductivity of 2565 backedges. 536 proven. 797 refuted. 0 times theorem prover too weak. 1232 trivial. 0 not checked. [2020-10-24 00:38:06,386 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [617278702] [2020-10-24 00:38:06,386 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:38:06,387 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-24 00:38:06,387 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294252002] [2020-10-24 00:38:06,387 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-24 00:38:06,388 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:38:06,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-24 00:38:06,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2020-10-24 00:38:06,389 INFO L87 Difference]: Start difference. First operand 215 states and 319 transitions. Second operand 16 states. [2020-10-24 00:38:08,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:38:08,722 INFO L93 Difference]: Finished difference Result 334 states and 574 transitions. [2020-10-24 00:38:08,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-10-24 00:38:08,723 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 272 [2020-10-24 00:38:08,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:38:08,726 INFO L225 Difference]: With dead ends: 334 [2020-10-24 00:38:08,726 INFO L226 Difference]: Without dead ends: 132 [2020-10-24 00:38:08,730 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 447 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=393, Invalid=1499, Unknown=0, NotChecked=0, Total=1892 [2020-10-24 00:38:08,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2020-10-24 00:38:08,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 118. [2020-10-24 00:38:08,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2020-10-24 00:38:08,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 150 transitions. [2020-10-24 00:38:08,753 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 150 transitions. Word has length 272 [2020-10-24 00:38:08,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:38:08,753 INFO L481 AbstractCegarLoop]: Abstraction has 118 states and 150 transitions. [2020-10-24 00:38:08,753 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-24 00:38:08,753 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 150 transitions. [2020-10-24 00:38:08,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2020-10-24 00:38:08,760 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:38:08,761 INFO L422 BasicCegarLoop]: trace histogram [41, 41, 33, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 13, 13, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:38:08,761 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-24 00:38:08,761 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:38:08,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:38:08,762 INFO L82 PathProgramCache]: Analyzing trace with hash 666805254, now seen corresponding path program 7 times [2020-10-24 00:38:08,762 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:38:08,762 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1982779149] [2020-10-24 00:38:08,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:38:08,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:08,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:38:08,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:08,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:38:08,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:09,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:09,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:09,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:09,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:09,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:09,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:09,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:09,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:09,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:09,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:09,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:09,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:09,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:09,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:09,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:09,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:09,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:09,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:09,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:09,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:09,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:09,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:09,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-24 00:38:09,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:09,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:09,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:09,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:09,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:09,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:09,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:09,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:09,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:09,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-24 00:38:09,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:09,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:09,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:09,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:09,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:09,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:09,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:09,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:09,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:09,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:09,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:09,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:09,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:09,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:09,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:09,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:09,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:09,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-10-24 00:38:09,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:09,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:09,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:09,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:09,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:09,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:09,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:09,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:09,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:09,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:09,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:09,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:09,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:09,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:09,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:09,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:09,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:09,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:09,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:09,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-24 00:38:09,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:09,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:09,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:09,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:09,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:09,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:09,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:09,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:09,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:09,667 INFO L134 CoverageAnalysis]: Checked inductivity of 5244 backedges. 264 proven. 1364 refuted. 0 times theorem prover too weak. 3616 trivial. 0 not checked. [2020-10-24 00:38:09,667 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1982779149] [2020-10-24 00:38:09,668 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:38:09,668 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-24 00:38:09,668 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527643578] [2020-10-24 00:38:09,669 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-24 00:38:09,669 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:38:09,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-24 00:38:09,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2020-10-24 00:38:09,670 INFO L87 Difference]: Start difference. First operand 118 states and 150 transitions. Second operand 12 states. [2020-10-24 00:38:10,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:38:10,734 INFO L93 Difference]: Finished difference Result 366 states and 505 transitions. [2020-10-24 00:38:10,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-24 00:38:10,735 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 378 [2020-10-24 00:38:10,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:38:10,741 INFO L225 Difference]: With dead ends: 366 [2020-10-24 00:38:10,741 INFO L226 Difference]: Without dead ends: 359 [2020-10-24 00:38:10,744 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=199, Invalid=451, Unknown=0, NotChecked=0, Total=650 [2020-10-24 00:38:10,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2020-10-24 00:38:10,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 329. [2020-10-24 00:38:10,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 329 states. [2020-10-24 00:38:10,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 457 transitions. [2020-10-24 00:38:10,816 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 457 transitions. Word has length 378 [2020-10-24 00:38:10,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:38:10,817 INFO L481 AbstractCegarLoop]: Abstraction has 329 states and 457 transitions. [2020-10-24 00:38:10,817 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-24 00:38:10,817 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 457 transitions. [2020-10-24 00:38:10,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 608 [2020-10-24 00:38:10,830 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:38:10,831 INFO L422 BasicCegarLoop]: trace histogram [67, 67, 54, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 21, 21, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:38:10,831 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-24 00:38:10,831 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:38:10,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:38:10,832 INFO L82 PathProgramCache]: Analyzing trace with hash 1260955895, now seen corresponding path program 8 times [2020-10-24 00:38:10,833 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:38:10,834 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [213990154] [2020-10-24 00:38:10,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:38:10,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:11,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:38:11,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:11,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:38:11,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:11,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:11,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:11,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:11,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:11,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:11,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:11,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:11,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:11,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:11,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:11,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:11,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:11,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:11,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:11,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:11,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:11,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:11,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:11,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:11,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:11,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:11,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:11,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:11,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:11,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-24 00:38:11,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:11,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:11,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:11,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:11,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:11,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:11,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:11,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:11,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:11,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-24 00:38:11,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:11,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:11,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:11,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:11,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:11,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:11,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:11,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:11,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:11,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:11,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:11,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:11,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:11,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:11,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:11,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:11,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:11,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-10-24 00:38:11,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:11,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:11,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:11,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:11,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:11,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:11,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:11,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:11,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:11,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:11,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:11,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:12,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:12,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:12,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:12,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:12,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:12,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:12,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:12,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-24 00:38:12,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:12,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:12,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:12,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:12,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:12,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:12,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:12,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:12,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:12,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2020-10-24 00:38:12,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:12,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:12,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:12,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:12,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:12,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:12,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:12,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:12,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:12,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:12,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:12,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:12,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:12,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:12,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:12,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:12,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:12,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:12,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:12,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:12,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:12,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-24 00:38:12,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:12,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:12,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:12,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:12,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:12,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:12,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:12,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:12,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:12,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-24 00:38:12,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:12,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:12,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:12,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:12,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:12,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:12,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:12,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:12,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:12,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:12,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:12,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:12,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:12,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:12,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:12,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:12,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:12,930 INFO L134 CoverageAnalysis]: Checked inductivity of 14259 backedges. 514 proven. 2746 refuted. 0 times theorem prover too weak. 10999 trivial. 0 not checked. [2020-10-24 00:38:12,931 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [213990154] [2020-10-24 00:38:12,932 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:38:12,932 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-24 00:38:12,932 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803567415] [2020-10-24 00:38:12,933 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-24 00:38:12,933 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:38:12,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-24 00:38:12,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-10-24 00:38:12,934 INFO L87 Difference]: Start difference. First operand 329 states and 457 transitions. Second operand 13 states. [2020-10-24 00:38:14,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:38:14,266 INFO L93 Difference]: Finished difference Result 899 states and 1324 transitions. [2020-10-24 00:38:14,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-24 00:38:14,267 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 607 [2020-10-24 00:38:14,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:38:14,283 INFO L225 Difference]: With dead ends: 899 [2020-10-24 00:38:14,283 INFO L226 Difference]: Without dead ends: 892 [2020-10-24 00:38:14,285 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=250, Invalid=562, Unknown=0, NotChecked=0, Total=812 [2020-10-24 00:38:14,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 892 states. [2020-10-24 00:38:14,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 892 to 856. [2020-10-24 00:38:14,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 856 states. [2020-10-24 00:38:14,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 856 states and 1268 transitions. [2020-10-24 00:38:14,468 INFO L78 Accepts]: Start accepts. Automaton has 856 states and 1268 transitions. Word has length 607 [2020-10-24 00:38:14,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:38:14,469 INFO L481 AbstractCegarLoop]: Abstraction has 856 states and 1268 transitions. [2020-10-24 00:38:14,469 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-24 00:38:14,469 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1268 transitions. [2020-10-24 00:38:14,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 978 [2020-10-24 00:38:14,482 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:38:14,483 INFO L422 BasicCegarLoop]: trace histogram [109, 109, 88, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 34, 34, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:38:14,483 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-24 00:38:14,483 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:38:14,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:38:14,484 INFO L82 PathProgramCache]: Analyzing trace with hash 856174356, now seen corresponding path program 9 times [2020-10-24 00:38:14,484 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:38:14,484 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [732352210] [2020-10-24 00:38:14,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:38:14,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:15,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:38:15,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:15,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:38:15,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:16,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:16,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:16,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:16,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:16,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:16,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:16,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:16,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:16,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:16,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:16,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:16,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:17,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:17,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:17,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:17,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:17,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:17,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:17,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:17,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:17,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:17,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:17,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:17,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:17,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:17,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:17,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-24 00:38:17,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:17,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:17,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:17,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:17,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:17,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:17,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:17,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:17,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:17,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-24 00:38:17,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:17,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:17,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:17,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:17,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:17,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:17,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:17,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:17,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:17,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:17,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:17,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:17,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:17,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:17,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:17,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:17,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:17,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-10-24 00:38:17,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:17,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:17,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:17,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:17,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:17,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:17,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:17,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:17,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:17,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:17,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:17,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:17,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:17,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:17,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:17,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:17,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:17,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:17,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:17,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-24 00:38:17,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:17,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:17,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:17,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:17,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:17,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:17,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:17,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:17,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:18,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2020-10-24 00:38:18,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:18,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:18,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:18,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:18,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:18,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:18,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:18,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:18,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:18,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:18,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:18,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:18,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:18,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:18,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:18,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:18,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:18,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:18,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:18,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:18,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:18,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-24 00:38:18,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:18,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:18,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:18,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:18,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:18,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:18,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:18,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:18,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:18,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-24 00:38:18,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:18,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:18,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:18,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:18,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:18,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:18,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:18,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:18,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:18,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:18,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:18,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:18,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:18,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:18,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:18,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:18,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:18,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2020-10-24 00:38:19,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:19,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:19,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:19,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:19,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:19,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:19,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:19,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:19,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:19,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:19,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:19,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:19,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:19,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:19,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:19,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:19,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:19,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:19,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:19,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:19,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:19,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:19,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:19,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-24 00:38:19,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:19,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:19,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:19,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:19,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:19,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:19,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:19,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:19,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:19,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-24 00:38:19,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:19,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:19,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:19,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:19,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:19,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:19,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:19,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:19,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:19,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:19,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:19,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:19,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:19,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:19,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:19,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:19,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:19,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-10-24 00:38:19,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:19,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:19,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:19,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:19,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:19,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:19,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:19,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:19,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:19,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:19,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:19,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:19,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:19,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:19,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:19,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:19,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:19,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:19,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:19,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-24 00:38:19,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:19,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:19,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:19,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:19,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:19,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:19,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:19,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:19,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:21,945 INFO L134 CoverageAnalysis]: Checked inductivity of 38160 backedges. 0 proven. 14202 refuted. 0 times theorem prover too weak. 23958 trivial. 0 not checked. [2020-10-24 00:38:21,945 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [732352210] [2020-10-24 00:38:21,945 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:38:21,946 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2020-10-24 00:38:21,946 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817434617] [2020-10-24 00:38:21,947 INFO L461 AbstractCegarLoop]: Interpolant automaton has 29 states [2020-10-24 00:38:21,947 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:38:21,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2020-10-24 00:38:21,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=757, Unknown=0, NotChecked=0, Total=812 [2020-10-24 00:38:21,948 INFO L87 Difference]: Start difference. First operand 856 states and 1268 transitions. Second operand 29 states. [2020-10-24 00:38:27,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:38:27,559 INFO L93 Difference]: Finished difference Result 2233 states and 3534 transitions. [2020-10-24 00:38:27,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2020-10-24 00:38:27,560 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 977 [2020-10-24 00:38:27,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:38:27,599 INFO L225 Difference]: With dead ends: 2233 [2020-10-24 00:38:27,599 INFO L226 Difference]: Without dead ends: 2226 [2020-10-24 00:38:27,605 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 480 GetRequests, 414 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 707 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=284, Invalid=4272, Unknown=0, NotChecked=0, Total=4556 [2020-10-24 00:38:27,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2226 states. [2020-10-24 00:38:27,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2226 to 888. [2020-10-24 00:38:27,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 888 states. [2020-10-24 00:38:27,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 888 states to 888 states and 1340 transitions. [2020-10-24 00:38:27,880 INFO L78 Accepts]: Start accepts. Automaton has 888 states and 1340 transitions. Word has length 977 [2020-10-24 00:38:27,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:38:27,882 INFO L481 AbstractCegarLoop]: Abstraction has 888 states and 1340 transitions. [2020-10-24 00:38:27,882 INFO L482 AbstractCegarLoop]: Interpolant automaton has 29 states. [2020-10-24 00:38:27,882 INFO L276 IsEmpty]: Start isEmpty. Operand 888 states and 1340 transitions. [2020-10-24 00:38:27,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1313 [2020-10-24 00:38:27,901 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:38:27,902 INFO L422 BasicCegarLoop]: trace histogram [147, 147, 119, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 46, 46, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:38:27,902 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-24 00:38:27,903 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:38:27,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:38:27,903 INFO L82 PathProgramCache]: Analyzing trace with hash 2054410219, now seen corresponding path program 10 times [2020-10-24 00:38:27,903 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:38:27,904 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [938532267] [2020-10-24 00:38:27,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:38:28,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:28,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:38:28,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:28,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:38:28,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:29,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:29,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:29,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:29,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:29,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:29,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:29,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:29,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:29,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:29,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:29,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:29,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:29,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:29,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:29,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:29,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:29,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:29,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:29,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:29,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:29,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:29,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:29,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:29,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:29,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:29,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:29,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:29,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:29,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-24 00:38:29,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:29,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:29,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:29,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:29,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:29,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:29,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:29,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:29,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:29,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-24 00:38:29,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:29,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:29,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:29,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:29,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:30,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:30,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-24 00:38:30,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:30,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:30,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:30,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:30,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:30,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:30,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:30,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:30,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2020-10-24 00:38:30,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:30,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:30,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:30,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:30,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:30,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:30,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:30,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:30,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:30,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-24 00:38:30,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:30,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:30,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:30,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:30,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2020-10-24 00:38:30,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:30,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:30,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:30,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:30,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:30,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:30,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:30,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:30,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:30,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:30,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-24 00:38:30,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:30,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:30,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:30,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:30,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-24 00:38:30,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:30,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:30,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:30,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:30,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:30,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:30,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:30,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:30,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 645 [2020-10-24 00:38:30,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:30,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:30,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:30,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:30,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:30,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:30,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:30,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:30,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:30,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:30,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:30,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:30,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:30,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-24 00:38:30,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:30,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:30,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:30,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:30,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-24 00:38:30,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:30,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:30,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:30,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:30,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-24 00:38:30,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:30,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:30,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:30,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:30,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:30,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:30,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:30,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:30,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:31,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2020-10-24 00:38:31,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:31,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:31,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:31,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:31,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:31,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:31,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:31,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:31,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:31,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:31,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:31,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:31,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:31,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:31,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:31,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:31,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:31,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:31,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:31,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-24 00:38:31,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:31,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:31,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:31,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:31,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:31,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:31,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:31,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:31,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:31,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2020-10-24 00:38:31,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:31,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:31,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:31,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:31,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:31,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:31,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:31,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:31,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:31,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:31,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:31,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:31,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:31,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:31,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:31,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:31,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:31,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:31,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:31,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:31,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:31,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-24 00:38:31,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:31,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:31,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:31,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:31,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:31,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:31,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:31,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:31,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:31,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-24 00:38:31,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:31,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:31,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:31,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:31,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:31,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:31,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:31,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:31,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:31,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:31,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:31,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:31,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:31,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:31,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:31,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:31,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:33,091 INFO L134 CoverageAnalysis]: Checked inductivity of 69754 backedges. 1727 proven. 8217 refuted. 0 times theorem prover too weak. 59810 trivial. 0 not checked. [2020-10-24 00:38:33,091 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [938532267] [2020-10-24 00:38:33,091 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:38:33,092 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-24 00:38:33,092 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255373309] [2020-10-24 00:38:33,093 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-24 00:38:33,094 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:38:33,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-24 00:38:33,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2020-10-24 00:38:33,094 INFO L87 Difference]: Start difference. First operand 888 states and 1340 transitions. Second operand 14 states. [2020-10-24 00:38:34,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:38:34,694 INFO L93 Difference]: Finished difference Result 1775 states and 2924 transitions. [2020-10-24 00:38:34,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-24 00:38:34,695 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 1312 [2020-10-24 00:38:34,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:38:34,710 INFO L225 Difference]: With dead ends: 1775 [2020-10-24 00:38:34,710 INFO L226 Difference]: Without dead ends: 909 [2020-10-24 00:38:34,724 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 329 GetRequests, 301 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=192, Invalid=678, Unknown=0, NotChecked=0, Total=870 [2020-10-24 00:38:34,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 909 states. [2020-10-24 00:38:34,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 909 to 870. [2020-10-24 00:38:34,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 870 states. [2020-10-24 00:38:34,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 870 states to 870 states and 1251 transitions. [2020-10-24 00:38:34,960 INFO L78 Accepts]: Start accepts. Automaton has 870 states and 1251 transitions. Word has length 1312 [2020-10-24 00:38:34,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:38:34,961 INFO L481 AbstractCegarLoop]: Abstraction has 870 states and 1251 transitions. [2020-10-24 00:38:34,961 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-24 00:38:34,962 INFO L276 IsEmpty]: Start isEmpty. Operand 870 states and 1251 transitions. [2020-10-24 00:38:34,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1207 [2020-10-24 00:38:34,980 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:38:34,981 INFO L422 BasicCegarLoop]: trace histogram [135, 135, 109, 67, 67, 67, 67, 67, 67, 67, 67, 67, 67, 42, 42, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:38:34,981 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-24 00:38:34,981 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:38:34,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:38:34,982 INFO L82 PathProgramCache]: Analyzing trace with hash -129992637, now seen corresponding path program 11 times [2020-10-24 00:38:34,982 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:38:34,983 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [250382928] [2020-10-24 00:38:34,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:38:35,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:35,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:38:35,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:35,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:38:35,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:36,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:36,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:36,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:36,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:36,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:36,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:36,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:36,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:36,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:36,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:36,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:36,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:36,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:36,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:36,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:36,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:36,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:36,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:36,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:36,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:36,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:36,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:36,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:36,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:36,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:36,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:36,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-24 00:38:36,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:36,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:36,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:36,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:36,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:36,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:36,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:36,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:36,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:36,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-24 00:38:36,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:36,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:36,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:36,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:36,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:36,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:36,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:36,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:36,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:36,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:36,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:36,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:36,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:36,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:36,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:36,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:36,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:36,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-10-24 00:38:36,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:36,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:36,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:36,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:36,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:36,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:36,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:36,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:36,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:36,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:36,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:36,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:36,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:36,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:36,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:36,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:36,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:36,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:36,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:36,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-24 00:38:36,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:36,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:36,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:36,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:36,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:36,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:36,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:36,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:36,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:36,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2020-10-24 00:38:36,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:36,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:36,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:36,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:36,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:36,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:36,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:36,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:36,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:36,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:36,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:36,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:36,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:36,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:36,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:36,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:36,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:36,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:36,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:36,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:36,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:36,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-24 00:38:36,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:36,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:36,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:36,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:36,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:36,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:36,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:36,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:36,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:36,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-24 00:38:36,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:36,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:36,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:36,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:36,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:36,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:36,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:36,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:36,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:36,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:36,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:36,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:36,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:36,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:36,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:36,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:36,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:37,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2020-10-24 00:38:37,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:37,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:37,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:37,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:37,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:37,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:37,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:37,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:37,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:37,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:37,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:37,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:37,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:37,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:37,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:37,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:37,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:37,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:37,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:37,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:37,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:37,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:37,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:37,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:37,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:37,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-24 00:38:37,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:37,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:37,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:37,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:37,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:37,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:37,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:37,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:37,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:37,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-24 00:38:37,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:37,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:37,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:37,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:37,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:37,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:37,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:37,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:37,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:37,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:37,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:37,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:37,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:37,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:37,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:37,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:37,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:37,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-10-24 00:38:37,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:37,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:37,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:37,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:37,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:37,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:37,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:37,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:37,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:37,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:37,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:37,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:37,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:37,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:37,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:37,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:37,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:37,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:37,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:37,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:37,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:37,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-24 00:38:37,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:37,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:37,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:37,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:37,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:37,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:37,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:37,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:37,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:37,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-24 00:38:37,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:37,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:37,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:37,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:37,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:37,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:37,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:37,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:37,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:37,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:37,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:37,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:37,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:37,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:37,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:37,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:37,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:37,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2020-10-24 00:38:37,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:37,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:37,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:37,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:37,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:37,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:37,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:37,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:37,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:37,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:37,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:37,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:37,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:37,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:37,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:37,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:37,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:37,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:37,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:37,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-24 00:38:37,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:37,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:37,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:37,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:37,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:37,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:37,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:37,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:37,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:39,470 INFO L134 CoverageAnalysis]: Checked inductivity of 58729 backedges. 8147 proven. 8397 refuted. 0 times theorem prover too weak. 42185 trivial. 0 not checked. [2020-10-24 00:38:39,471 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [250382928] [2020-10-24 00:38:39,471 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:38:39,471 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-10-24 00:38:39,471 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595851346] [2020-10-24 00:38:39,472 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-24 00:38:39,473 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:38:39,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-24 00:38:39,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=377, Unknown=0, NotChecked=0, Total=462 [2020-10-24 00:38:39,474 INFO L87 Difference]: Start difference. First operand 870 states and 1251 transitions. Second operand 22 states. [2020-10-24 00:38:43,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:38:43,337 INFO L93 Difference]: Finished difference Result 1081 states and 1733 transitions. [2020-10-24 00:38:43,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2020-10-24 00:38:43,338 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 1206 [2020-10-24 00:38:43,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:38:43,344 INFO L225 Difference]: With dead ends: 1081 [2020-10-24 00:38:43,344 INFO L226 Difference]: Without dead ends: 237 [2020-10-24 00:38:43,358 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 342 GetRequests, 279 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1109 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=802, Invalid=3358, Unknown=0, NotChecked=0, Total=4160 [2020-10-24 00:38:43,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2020-10-24 00:38:43,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 190. [2020-10-24 00:38:43,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2020-10-24 00:38:43,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 272 transitions. [2020-10-24 00:38:43,396 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 272 transitions. Word has length 1206 [2020-10-24 00:38:43,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:38:43,397 INFO L481 AbstractCegarLoop]: Abstraction has 190 states and 272 transitions. [2020-10-24 00:38:43,397 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-10-24 00:38:43,397 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 272 transitions. [2020-10-24 00:38:43,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1207 [2020-10-24 00:38:43,411 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:38:43,412 INFO L422 BasicCegarLoop]: trace histogram [135, 135, 109, 67, 67, 67, 67, 67, 67, 67, 67, 67, 67, 42, 42, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:38:43,412 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-24 00:38:43,412 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:38:43,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:38:43,413 INFO L82 PathProgramCache]: Analyzing trace with hash -134930525, now seen corresponding path program 12 times [2020-10-24 00:38:43,413 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:38:43,413 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [282671112] [2020-10-24 00:38:43,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:38:43,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:44,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:38:44,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:44,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:38:44,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:44,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:44,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:44,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:44,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:44,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:44,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:44,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:44,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:44,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:44,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:44,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:44,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:45,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:45,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:45,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:45,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:45,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:45,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:45,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:45,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:45,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:45,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:45,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:45,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:45,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:45,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:45,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:45,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:45,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-24 00:38:45,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:45,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:45,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:45,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:45,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:45,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:45,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:45,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:45,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:45,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-24 00:38:45,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:45,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:45,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:45,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:45,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:45,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:45,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:45,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:45,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:45,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:45,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:45,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:45,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:45,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:45,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:45,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:45,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:45,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-10-24 00:38:45,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:45,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:45,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:45,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:45,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:45,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:45,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:45,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:45,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:45,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:45,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:45,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:45,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:45,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:45,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:45,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:45,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:45,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:45,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:45,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-24 00:38:45,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:45,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:45,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:45,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:45,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:45,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:45,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:45,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:45,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:45,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2020-10-24 00:38:45,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:45,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:45,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:45,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:45,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:45,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:45,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:45,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:45,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:45,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:45,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:45,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:45,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:45,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:45,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:45,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:45,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:45,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:45,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:45,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:45,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:45,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-24 00:38:45,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:45,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:45,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:45,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:45,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:45,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:45,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:45,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:45,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:45,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-24 00:38:45,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:45,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:45,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:45,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:45,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:45,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:45,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:45,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:45,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:45,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:45,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:45,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:45,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:45,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:45,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:45,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:45,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:45,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2020-10-24 00:38:45,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:45,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:45,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:45,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:45,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:45,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:45,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:45,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:45,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:45,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:45,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:45,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:45,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:45,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:45,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:45,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:45,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:45,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:45,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:45,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:45,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:45,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-24 00:38:45,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:45,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:45,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:45,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:45,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:45,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:45,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:45,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:45,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:45,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-24 00:38:45,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:45,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:45,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:45,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:45,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:45,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:45,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:45,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:45,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:45,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:45,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:45,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:45,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:45,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:45,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:45,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:45,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:46,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 821 [2020-10-24 00:38:46,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:46,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:46,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:46,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:46,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:46,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:46,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:46,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:46,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:46,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:46,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:46,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:46,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:46,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:46,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:46,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:46,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:46,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:46,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:46,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:46,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:46,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:46,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:46,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-24 00:38:46,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:46,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:46,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:46,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:46,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:46,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:46,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:46,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:46,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:46,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-24 00:38:46,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:46,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:46,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:46,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:46,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:46,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:46,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:46,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:46,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:46,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:46,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:46,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:46,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:46,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:46,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:46,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:46,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:46,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-10-24 00:38:46,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:46,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:46,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:46,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:46,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:46,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:46,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:46,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:46,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:46,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:46,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:46,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:46,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:46,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:46,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:46,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:46,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:46,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:46,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:46,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-24 00:38:46,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:46,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:46,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:46,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:46,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:46,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:46,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:46,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:46,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:47,515 INFO L134 CoverageAnalysis]: Checked inductivity of 58729 backedges. 4231 proven. 8129 refuted. 0 times theorem prover too weak. 46369 trivial. 0 not checked. [2020-10-24 00:38:47,515 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [282671112] [2020-10-24 00:38:47,516 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:38:47,516 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-24 00:38:47,516 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345330029] [2020-10-24 00:38:47,517 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-24 00:38:47,517 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:38:47,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-24 00:38:47,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=306, Unknown=0, NotChecked=0, Total=380 [2020-10-24 00:38:47,518 INFO L87 Difference]: Start difference. First operand 190 states and 272 transitions. Second operand 20 states. [2020-10-24 00:38:50,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:38:50,121 INFO L93 Difference]: Finished difference Result 368 states and 546 transitions. [2020-10-24 00:38:50,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-10-24 00:38:50,121 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 1206 [2020-10-24 00:38:50,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:38:50,126 INFO L225 Difference]: With dead ends: 368 [2020-10-24 00:38:50,126 INFO L226 Difference]: Without dead ends: 204 [2020-10-24 00:38:50,129 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 320 GetRequests, 274 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 497 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=462, Invalid=1794, Unknown=0, NotChecked=0, Total=2256 [2020-10-24 00:38:50,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2020-10-24 00:38:50,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 167. [2020-10-24 00:38:50,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2020-10-24 00:38:50,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 231 transitions. [2020-10-24 00:38:50,158 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 231 transitions. Word has length 1206 [2020-10-24 00:38:50,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:38:50,160 INFO L481 AbstractCegarLoop]: Abstraction has 167 states and 231 transitions. [2020-10-24 00:38:50,160 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-24 00:38:50,160 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 231 transitions. [2020-10-24 00:38:50,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1577 [2020-10-24 00:38:50,181 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:38:50,182 INFO L422 BasicCegarLoop]: trace histogram [177, 177, 143, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 55, 55, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:38:50,182 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-24 00:38:50,182 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:38:50,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:38:50,183 INFO L82 PathProgramCache]: Analyzing trace with hash 32554412, now seen corresponding path program 13 times [2020-10-24 00:38:50,183 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:38:50,183 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [874223976] [2020-10-24 00:38:50,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:38:50,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:51,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:38:51,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:51,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:38:51,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:51,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:51,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:51,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:51,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:52,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:52,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:52,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:52,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:52,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:52,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:52,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:52,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:52,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:52,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:52,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:52,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:52,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:52,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:52,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:52,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:52,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:52,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:52,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:52,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:52,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:52,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:52,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:52,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:52,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-24 00:38:52,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:52,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:52,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:52,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:52,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:52,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:52,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:52,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:52,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:52,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-24 00:38:52,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:52,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:52,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:52,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:52,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:52,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:52,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:52,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:52,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:52,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:52,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:52,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:52,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:52,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:52,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:52,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:52,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:52,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-10-24 00:38:52,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:52,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:52,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:52,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:52,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:52,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:52,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:52,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:52,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:52,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:52,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:52,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:52,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:52,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:52,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:52,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:52,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:52,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:52,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:52,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-24 00:38:52,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:52,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:52,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:52,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:52,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:52,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:52,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:52,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:52,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:52,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2020-10-24 00:38:52,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:52,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:52,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:52,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:52,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:52,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:52,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:52,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:52,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:52,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:52,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:52,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:52,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:52,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:52,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:52,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:52,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:52,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:52,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:52,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:52,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:52,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-24 00:38:52,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:52,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:52,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:52,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:52,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:52,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:52,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:52,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:52,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:52,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-24 00:38:52,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:52,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:52,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:52,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:52,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:52,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:52,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:52,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:52,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:52,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:52,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:52,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:52,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:52,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:52,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:52,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:52,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:52,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2020-10-24 00:38:52,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:52,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:52,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:53,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:53,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:53,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:53,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:53,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:53,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:53,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:53,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:53,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:53,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-24 00:38:53,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:53,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:53,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:53,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:53,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-24 00:38:53,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:53,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:53,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:53,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:53,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:53,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:53,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:53,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:53,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-10-24 00:38:53,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:53,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:53,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:53,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:53,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:53,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:53,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:53,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:53,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:53,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-24 00:38:53,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:53,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:53,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:53,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:53,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 962 [2020-10-24 00:38:53,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:53,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:53,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:53,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:53,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:53,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:53,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:53,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:53,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:53,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:53,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:53,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:53,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-24 00:38:53,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:53,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:53,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:53,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:53,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-24 00:38:53,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:53,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:53,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:53,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:53,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:53,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:53,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:53,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:53,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-10-24 00:38:53,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:53,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:53,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:53,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:53,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:53,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:53,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:53,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:53,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:53,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-24 00:38:53,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:53,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:53,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:53,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:53,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2020-10-24 00:38:53,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:53,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:53,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:53,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:53,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:53,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:53,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:53,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:53,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:53,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:53,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-24 00:38:53,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:53,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:53,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:53,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:53,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-24 00:38:53,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:53,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:53,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:53,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:53,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:53,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:53,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:53,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:53,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:55,895 INFO L134 CoverageAnalysis]: Checked inductivity of 101299 backedges. 2006 proven. 9017 refuted. 0 times theorem prover too weak. 90276 trivial. 0 not checked. [2020-10-24 00:38:55,895 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [874223976] [2020-10-24 00:38:55,895 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:38:55,896 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-24 00:38:55,896 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565310860] [2020-10-24 00:38:55,897 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-24 00:38:55,897 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:38:55,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-24 00:38:55,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-10-24 00:38:55,898 INFO L87 Difference]: Start difference. First operand 167 states and 231 transitions. Second operand 15 states. [2020-10-24 00:38:57,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:38:57,624 INFO L93 Difference]: Finished difference Result 308 states and 451 transitions. [2020-10-24 00:38:57,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-24 00:38:57,625 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 1576 [2020-10-24 00:38:57,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:38:57,630 INFO L225 Difference]: With dead ends: 308 [2020-10-24 00:38:57,630 INFO L226 Difference]: Without dead ends: 0 [2020-10-24 00:38:57,634 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 388 GetRequests, 356 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=334, Invalid=788, Unknown=0, NotChecked=0, Total=1122 [2020-10-24 00:38:57,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-24 00:38:57,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-24 00:38:57,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-24 00:38:57,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-24 00:38:57,635 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1576 [2020-10-24 00:38:57,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:38:57,636 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-24 00:38:57,636 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-24 00:38:57,636 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-24 00:38:57,636 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-24 00:38:57,636 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-24 00:38:57,639 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-24 00:39:06,257 WARN L193 SmtUtils]: Spent 949.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 56 [2020-10-24 00:39:07,470 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 173 DAG size of output: 78 [2020-10-24 00:39:07,667 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 9 [2020-10-24 00:39:08,591 WARN L193 SmtUtils]: Spent 917.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 56 [2020-10-24 00:39:09,967 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 203 DAG size of output: 93 [2020-10-24 00:39:11,699 WARN L193 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 186 DAG size of output: 79 [2020-10-24 00:39:11,987 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 6 [2020-10-24 00:39:13,741 WARN L193 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 186 DAG size of output: 79 [2020-10-24 00:39:15,279 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 164 DAG size of output: 71 [2020-10-24 00:39:15,432 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 1 [2020-10-24 00:39:15,678 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 3 [2020-10-24 00:39:17,026 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 173 DAG size of output: 78 [2020-10-24 00:39:17,265 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 6 [2020-10-24 00:39:17,505 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 6 [2020-10-24 00:39:17,541 INFO L277 CegarLoopResult]: At program point reach_errorEXIT(line 3) the Hoare annotation is: true [2020-10-24 00:39:17,541 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-24 00:39:17,541 INFO L277 CegarLoopResult]: At program point reach_errorFINAL(line 3) the Hoare annotation is: true [2020-10-24 00:39:17,542 INFO L277 CegarLoopResult]: At program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) the Hoare annotation is: true [2020-10-24 00:39:17,543 INFO L270 CegarLoopResult]: At program point fibonacciFINAL(lines 16 24) the Hoare annotation is: (let ((.cse4 (<= |fibonacci_#in~n| 3)) (.cse5 (<= 3 |fibonacci_#in~n|)) (.cse1 (= fibonacci_~n |fibonacci_#in~n|))) (let ((.cse0 (and .cse1 (<= 1 |fibonacci_#res|) (<= |fibonacci_#res| 1))) (.cse2 (not .cse5)) (.cse3 (and (<= |fibonacci_#res| 2) .cse4 .cse1 .cse5 (<= 2 |fibonacci_#res|)))) (and (or (and (<= 0 |fibonacci_#res|) (<= |fibonacci_#res| 0)) (< 0 fibonacci_~n)) (or (not (<= |fibonacci_#in~n| 2)) .cse0 (not (<= 2 |fibonacci_#in~n|))) (or (and .cse1 (<= |fibonacci_#in~n| 0)) (not (<= |fibonacci_#in~n| 1)) .cse0) (or (and .cse1 (<= |fibonacci_#res| 8) (<= 8 |fibonacci_#res|) (<= fibonacci_~n 6) (<= 6 |fibonacci_#in~n|)) .cse2 (and (<= 9 fibonacci_~n) (<= |fibonacci_#res| 34) .cse1 (<= 34 |fibonacci_#res|)) .cse3 (and (<= 10 |fibonacci_#in~n|) .cse1) (and (<= |fibonacci_#res| 21) (<= 21 |fibonacci_#res|) (<= |fibonacci_#in~n| 8) (<= 8 |fibonacci_#in~n|) .cse1) (and (<= |fibonacci_#res| 5) (<= 5 |fibonacci_#in~n|) (<= 5 |fibonacci_#res|) .cse1 (<= |fibonacci_#in~n| 5)) (and (<= |fibonacci_#res| 3) (<= 3 |fibonacci_#res|) .cse1 (<= |fibonacci_#in~n| 4)) (and (<= |fibonacci_#res| 13) (<= 13 |fibonacci_#res|) .cse1 (<= 7 |fibonacci_#in~n|) (<= |fibonacci_#in~n| 7))) (or .cse2 .cse3 (not .cse4))))) [2020-10-24 00:39:17,543 INFO L277 CegarLoopResult]: At program point fibonacciENTRY(lines 16 24) the Hoare annotation is: true [2020-10-24 00:39:17,543 INFO L270 CegarLoopResult]: At program point L22(line 22) the Hoare annotation is: (and (= fibonacci_~n |fibonacci_#in~n|) (< 1 fibonacci_~n)) [2020-10-24 00:39:17,543 INFO L270 CegarLoopResult]: At program point L22-1(line 22) the Hoare annotation is: (let ((.cse1 (<= |fibonacci_#t~ret7| 1)) (.cse2 (<= 1 |fibonacci_#t~ret7|)) (.cse0 (= fibonacci_~n |fibonacci_#in~n|))) (or (and (<= 10 |fibonacci_#in~n|) .cse0) (and (<= 13 |fibonacci_#t~ret7|) (<= |fibonacci_#t~ret7| 13) (<= |fibonacci_#in~n| 8) (<= 8 |fibonacci_#in~n|) .cse0) (and (<= |fibonacci_#t~ret7| 8) .cse0 (<= 8 |fibonacci_#t~ret7|) (<= 7 |fibonacci_#in~n|) (<= |fibonacci_#in~n| 7)) (and .cse1 (<= |fibonacci_#in~n| 2) .cse0 .cse2 (<= 2 |fibonacci_#in~n|)) (and .cse1 (<= |fibonacci_#in~n| 3) .cse0 (<= 3 |fibonacci_#in~n|) .cse2) (and (<= |fibonacci_#t~ret7| 2) (<= 4 |fibonacci_#in~n|) .cse0 (<= 2 |fibonacci_#t~ret7|) (<= |fibonacci_#in~n| 4)) (and (<= 5 |fibonacci_#in~n|) (<= |fibonacci_#t~ret7| 3) .cse0 (<= 3 |fibonacci_#t~ret7|) (<= |fibonacci_#in~n| 5)) (and (<= |fibonacci_#t~ret7| 5) (<= 5 |fibonacci_#t~ret7|) .cse0 (<= fibonacci_~n 6) (<= 6 |fibonacci_#in~n|)) (and (<= |fibonacci_#t~ret7| 21) (<= 9 fibonacci_~n) .cse0 (<= 21 |fibonacci_#t~ret7|)))) [2020-10-24 00:39:17,544 INFO L270 CegarLoopResult]: At program point L20(line 20) the Hoare annotation is: (and (= fibonacci_~n |fibonacci_#in~n|) (< 0 fibonacci_~n) (not (<= 2 |fibonacci_#in~n|))) [2020-10-24 00:39:17,544 INFO L270 CegarLoopResult]: At program point L22-2(line 22) the Hoare annotation is: (let ((.cse1 (<= |fibonacci_#t~ret7| 1)) (.cse2 (<= 1 |fibonacci_#t~ret7|)) (.cse0 (= fibonacci_~n |fibonacci_#in~n|))) (or (and (<= 10 |fibonacci_#in~n|) .cse0) (and (<= 13 |fibonacci_#t~ret7|) (<= |fibonacci_#t~ret7| 13) (<= |fibonacci_#in~n| 8) (<= 8 |fibonacci_#in~n|) .cse0) (and (<= |fibonacci_#t~ret7| 8) .cse0 (<= 8 |fibonacci_#t~ret7|) (<= 7 |fibonacci_#in~n|) (<= |fibonacci_#in~n| 7)) (and .cse1 (<= |fibonacci_#in~n| 2) .cse0 .cse2 (<= 2 |fibonacci_#in~n|)) (and .cse1 (<= |fibonacci_#in~n| 3) .cse0 (<= 3 |fibonacci_#in~n|) .cse2) (and (<= |fibonacci_#t~ret7| 2) (<= 4 |fibonacci_#in~n|) .cse0 (<= 2 |fibonacci_#t~ret7|) (<= |fibonacci_#in~n| 4)) (and (<= 5 |fibonacci_#in~n|) (<= |fibonacci_#t~ret7| 3) .cse0 (<= 3 |fibonacci_#t~ret7|) (<= |fibonacci_#in~n| 5)) (and (<= |fibonacci_#t~ret7| 5) (<= 5 |fibonacci_#t~ret7|) .cse0 (<= fibonacci_~n 6) (<= 6 |fibonacci_#in~n|)) (and (<= |fibonacci_#t~ret7| 21) (<= 9 fibonacci_~n) .cse0 (<= 21 |fibonacci_#t~ret7|)))) [2020-10-24 00:39:17,544 INFO L270 CegarLoopResult]: At program point L19(lines 19 23) the Hoare annotation is: (and (= fibonacci_~n |fibonacci_#in~n|) (< 0 fibonacci_~n)) [2020-10-24 00:39:17,545 INFO L270 CegarLoopResult]: At program point L22-3(line 22) the Hoare annotation is: (let ((.cse7 (= fibonacci_~n |fibonacci_#in~n|)) (.cse4 (+ |fibonacci_#t~ret7| |fibonacci_#t~ret8|))) (let ((.cse0 (and (<= 13 .cse4) (<= |fibonacci_#t~ret7| 8) .cse7 (<= .cse4 13) (<= 8 |fibonacci_#t~ret7|) (<= 7 |fibonacci_#in~n|) (<= |fibonacci_#in~n| 7))) (.cse1 (and (<= 10 |fibonacci_#in~n|) .cse7)) (.cse2 (and (<= |fibonacci_#t~ret7| 21) (<= 9 fibonacci_~n) .cse7 (<= 21 |fibonacci_#t~ret7|) (<= .cse4 34) (<= 34 .cse4))) (.cse3 (and (<= 13 |fibonacci_#t~ret7|) (<= 8 |fibonacci_#in~n|) (<= |fibonacci_#t~ret7| 13) (<= |fibonacci_#in~n| 8) .cse7 (<= .cse4 21) (<= 21 .cse4)))) (and (let ((.cse5 (<= |fibonacci_#t~ret7| 1)) (.cse6 (<= 1 |fibonacci_#t~ret7|))) (or .cse0 .cse1 .cse2 .cse3 (and (<= 5 .cse4) (<= 5 |fibonacci_#in~n|) (<= |fibonacci_#t~ret7| 3) (<= 3 |fibonacci_#t~ret7|) (<= .cse4 5) (<= |fibonacci_#in~n| 5)) (and (<= |fibonacci_#t~ret7| 2) (<= 4 |fibonacci_#in~n|) (<= 3 .cse4) (<= 2 |fibonacci_#t~ret7|) (<= .cse4 3) (<= |fibonacci_#in~n| 4)) (and .cse5 (<= 2 .cse4) (<= |fibonacci_#in~n| 3) (<= 3 |fibonacci_#in~n|) .cse6 (<= .cse4 2)) (and (<= |fibonacci_#t~ret7| 5) (<= .cse4 8) (<= 5 |fibonacci_#t~ret7|) (<= 8 .cse4) (<= 6 |fibonacci_#in~n|)) (and .cse5 (<= .cse4 1) (<= |fibonacci_#in~n| 2) (<= 1 .cse4) .cse6 (<= 2 |fibonacci_#in~n|)))) (or .cse0 (and .cse7 (<= fibonacci_~n 6)) .cse1 .cse2 .cse3)))) [2020-10-24 00:39:17,545 INFO L270 CegarLoopResult]: At program point L18(line 18) the Hoare annotation is: (and (= fibonacci_~n |fibonacci_#in~n|) (<= |fibonacci_#in~n| 0)) [2020-10-24 00:39:17,545 INFO L270 CegarLoopResult]: At program point L22-4(line 22) the Hoare annotation is: (let ((.cse7 (= fibonacci_~n |fibonacci_#in~n|)) (.cse4 (+ |fibonacci_#t~ret7| |fibonacci_#t~ret8|))) (let ((.cse0 (and (<= 13 .cse4) (<= |fibonacci_#t~ret7| 8) .cse7 (<= .cse4 13) (<= 8 |fibonacci_#t~ret7|) (<= 7 |fibonacci_#in~n|) (<= |fibonacci_#in~n| 7))) (.cse1 (and (<= 10 |fibonacci_#in~n|) .cse7)) (.cse2 (and (<= |fibonacci_#t~ret7| 21) (<= 9 fibonacci_~n) .cse7 (<= 21 |fibonacci_#t~ret7|) (<= .cse4 34) (<= 34 .cse4))) (.cse3 (and (<= 13 |fibonacci_#t~ret7|) (<= 8 |fibonacci_#in~n|) (<= |fibonacci_#t~ret7| 13) (<= |fibonacci_#in~n| 8) .cse7 (<= .cse4 21) (<= 21 .cse4)))) (and (let ((.cse5 (<= |fibonacci_#t~ret7| 1)) (.cse6 (<= 1 |fibonacci_#t~ret7|))) (or .cse0 .cse1 .cse2 .cse3 (and (<= 5 .cse4) (<= 5 |fibonacci_#in~n|) (<= |fibonacci_#t~ret7| 3) (<= 3 |fibonacci_#t~ret7|) (<= .cse4 5) (<= |fibonacci_#in~n| 5)) (and (<= |fibonacci_#t~ret7| 2) (<= 4 |fibonacci_#in~n|) (<= 3 .cse4) (<= 2 |fibonacci_#t~ret7|) (<= .cse4 3) (<= |fibonacci_#in~n| 4)) (and .cse5 (<= 2 .cse4) (<= |fibonacci_#in~n| 3) (<= 3 |fibonacci_#in~n|) .cse6 (<= .cse4 2)) (and (<= |fibonacci_#t~ret7| 5) (<= .cse4 8) (<= 5 |fibonacci_#t~ret7|) (<= 8 .cse4) (<= 6 |fibonacci_#in~n|)) (and .cse5 (<= .cse4 1) (<= |fibonacci_#in~n| 2) (<= 1 .cse4) .cse6 (<= 2 |fibonacci_#in~n|)))) (or .cse0 (and .cse7 (<= fibonacci_~n 6)) .cse1 .cse2 .cse3)))) [2020-10-24 00:39:17,546 INFO L270 CegarLoopResult]: At program point fibonacciEXIT(lines 16 24) the Hoare annotation is: (let ((.cse4 (<= |fibonacci_#in~n| 3)) (.cse5 (<= 3 |fibonacci_#in~n|)) (.cse1 (= fibonacci_~n |fibonacci_#in~n|))) (let ((.cse0 (and .cse1 (<= 1 |fibonacci_#res|) (<= |fibonacci_#res| 1))) (.cse2 (not .cse5)) (.cse3 (and (<= |fibonacci_#res| 2) .cse4 .cse1 .cse5 (<= 2 |fibonacci_#res|)))) (and (or (and (<= 0 |fibonacci_#res|) (<= |fibonacci_#res| 0)) (< 0 fibonacci_~n)) (or (not (<= |fibonacci_#in~n| 2)) .cse0 (not (<= 2 |fibonacci_#in~n|))) (or (and .cse1 (<= |fibonacci_#in~n| 0)) (not (<= |fibonacci_#in~n| 1)) .cse0) (or (and .cse1 (<= |fibonacci_#res| 8) (<= 8 |fibonacci_#res|) (<= fibonacci_~n 6) (<= 6 |fibonacci_#in~n|)) .cse2 (and (<= 9 fibonacci_~n) (<= |fibonacci_#res| 34) .cse1 (<= 34 |fibonacci_#res|)) .cse3 (and (<= 10 |fibonacci_#in~n|) .cse1) (and (<= |fibonacci_#res| 21) (<= 21 |fibonacci_#res|) (<= |fibonacci_#in~n| 8) (<= 8 |fibonacci_#in~n|) .cse1) (and (<= |fibonacci_#res| 5) (<= 5 |fibonacci_#in~n|) (<= 5 |fibonacci_#res|) .cse1 (<= |fibonacci_#in~n| 5)) (and (<= |fibonacci_#res| 3) (<= 3 |fibonacci_#res|) .cse1 (<= |fibonacci_#in~n| 4)) (and (<= |fibonacci_#res| 13) (<= 13 |fibonacci_#res|) .cse1 (<= 7 |fibonacci_#in~n|) (<= |fibonacci_#in~n| 7))) (or .cse2 .cse3 (not .cse4))))) [2020-10-24 00:39:17,546 INFO L270 CegarLoopResult]: At program point L17(lines 17 23) the Hoare annotation is: (= fibonacci_~n |fibonacci_#in~n|) [2020-10-24 00:39:17,546 INFO L270 CegarLoopResult]: At program point L22-5(line 22) the Hoare annotation is: (let ((.cse2 (<= |fibonacci_#t~ret7| 1)) (.cse3 (<= 1 |fibonacci_#t~ret7|)) (.cse0 (= fibonacci_~n |fibonacci_#in~n|)) (.cse1 (+ |fibonacci_#t~ret7| |fibonacci_#t~ret8|))) (or (and (<= |fibonacci_#t~ret7| 21) (<= 9 fibonacci_~n) (<= |fibonacci_#res| 34) .cse0 (<= 21 |fibonacci_#t~ret7|) (<= .cse1 34) (<= 34 |fibonacci_#res|) (<= 34 .cse1)) (and (<= 13 |fibonacci_#t~ret7|) (<= 21 |fibonacci_#res|) (<= |fibonacci_#res| 21) (<= 8 |fibonacci_#in~n|) (<= |fibonacci_#t~ret7| 13) (<= |fibonacci_#in~n| 8) .cse0 (<= .cse1 21) (<= 21 .cse1)) (and (<= |fibonacci_#t~ret7| 2) (<= |fibonacci_#res| 3) (<= 4 |fibonacci_#in~n|) (<= 3 .cse1) (<= 3 |fibonacci_#res|) .cse0 (<= 2 |fibonacci_#t~ret7|) (<= .cse1 3) (<= |fibonacci_#in~n| 4)) (and (<= |fibonacci_#t~ret7| 5) (<= .cse1 8) (<= 5 |fibonacci_#t~ret7|) .cse0 (<= |fibonacci_#res| 8) (<= 8 |fibonacci_#res|) (<= 8 .cse1) (<= fibonacci_~n 6) (<= 6 |fibonacci_#in~n|)) (and .cse2 (<= .cse1 1) (<= |fibonacci_#in~n| 2) (<= 1 .cse1) .cse0 (<= 1 |fibonacci_#res|) (<= |fibonacci_#res| 1) .cse3 (<= 2 |fibonacci_#in~n|)) (and (<= 10 |fibonacci_#in~n|) .cse0) (and .cse2 (<= 2 .cse1) (<= |fibonacci_#res| 2) (<= |fibonacci_#in~n| 3) .cse0 (<= 3 |fibonacci_#in~n|) .cse3 (<= 2 |fibonacci_#res|) (<= .cse1 2)) (and (<= 5 .cse1) (<= |fibonacci_#res| 5) (<= 5 |fibonacci_#in~n|) (<= |fibonacci_#t~ret7| 3) (<= 5 |fibonacci_#res|) .cse0 (<= 3 |fibonacci_#t~ret7|) (<= .cse1 5) (<= |fibonacci_#in~n| 5)) (and (<= 13 .cse1) (<= |fibonacci_#res| 13) (<= |fibonacci_#t~ret7| 8) (<= 13 |fibonacci_#res|) .cse0 (<= .cse1 13) (<= 8 |fibonacci_#t~ret7|) (<= 7 |fibonacci_#in~n|) (<= |fibonacci_#in~n| 7)))) [2020-10-24 00:39:17,547 INFO L270 CegarLoopResult]: At program point L22-6(line 22) the Hoare annotation is: (let ((.cse6 (= fibonacci_~n |fibonacci_#in~n|))) (let ((.cse1 (<= |fibonacci_#in~n| 5)) (.cse0 (<= 5 |fibonacci_#in~n|)) (.cse2 (and (<= 9 fibonacci_~n) (<= |fibonacci_#res| 34) .cse6 (<= 34 |fibonacci_#res|))) (.cse3 (and (<= 10 |fibonacci_#in~n|) .cse6)) (.cse4 (and (<= |fibonacci_#res| 21) (<= 21 |fibonacci_#res|) (<= |fibonacci_#in~n| 8) (<= 8 |fibonacci_#in~n|) .cse6)) (.cse5 (and (<= |fibonacci_#res| 13) (<= 13 |fibonacci_#res|) .cse6 (<= 7 |fibonacci_#in~n|) (<= |fibonacci_#in~n| 7))) (.cse7 (<= 3 |fibonacci_#in~n|))) (and (or (and .cse0 .cse1) (and .cse0 (<= |fibonacci_#res| 8) (<= 8 |fibonacci_#res|)) .cse2 (not (<= 4 |fibonacci_#in~n|)) .cse3 .cse4 (and (<= |fibonacci_#res| 3) (<= 3 |fibonacci_#res|) (<= |fibonacci_#in~n| 4)) .cse5) (or (not .cse1) (not .cse0) (and (<= |fibonacci_#res| 5) (<= 5 |fibonacci_#res|))) (or (and .cse6 (<= fibonacci_~n 6)) .cse2 .cse3 .cse4 .cse5) (or (not .cse7) (and (<= |fibonacci_#res| 2) (<= 2 |fibonacci_#res|)) (not (<= |fibonacci_#in~n| 3))) (or (and (<= 1 |fibonacci_#res|) (<= |fibonacci_#res| 1) (<= 2 |fibonacci_#in~n|)) .cse7)))) [2020-10-24 00:39:17,547 INFO L277 CegarLoopResult]: At program point L3-2(line 3) the Hoare annotation is: true [2020-10-24 00:39:17,547 INFO L277 CegarLoopResult]: At program point L3-3(line 3) the Hoare annotation is: true [2020-10-24 00:39:17,547 INFO L277 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-24 00:39:17,547 INFO L277 CegarLoopResult]: At program point L3-4(line 3) the Hoare annotation is: true [2020-10-24 00:39:17,547 INFO L277 CegarLoopResult]: At program point L-1-1(line -1) the Hoare annotation is: true [2020-10-24 00:39:17,547 INFO L277 CegarLoopResult]: At program point ULTIMATE.initFINAL(line 3) the Hoare annotation is: true [2020-10-24 00:39:17,547 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2020-10-24 00:39:17,547 INFO L277 CegarLoopResult]: At program point L3(line 3) the Hoare annotation is: true [2020-10-24 00:39:17,547 INFO L277 CegarLoopResult]: At program point L3-1(line 3) the Hoare annotation is: true [2020-10-24 00:39:17,547 INFO L277 CegarLoopResult]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2020-10-24 00:39:17,547 INFO L277 CegarLoopResult]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2020-10-24 00:39:17,547 INFO L277 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-24 00:39:17,548 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-24 00:39:17,548 INFO L277 CegarLoopResult]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2020-10-24 00:39:17,548 INFO L270 CegarLoopResult]: At program point L33(line 33) the Hoare annotation is: false [2020-10-24 00:39:17,548 INFO L270 CegarLoopResult]: At program point L33-1(line 33) the Hoare annotation is: false [2020-10-24 00:39:17,548 INFO L270 CegarLoopResult]: At program point L31(line 31) the Hoare annotation is: (<= 9 main_~x~0) [2020-10-24 00:39:17,548 INFO L270 CegarLoopResult]: At program point L30(lines 30 34) the Hoare annotation is: (and (<= 9 main_~x~0) (<= 34 main_~result~0) (<= main_~result~0 34)) [2020-10-24 00:39:17,548 INFO L277 CegarLoopResult]: At program point mainENTRY(lines 27 35) the Hoare annotation is: true [2020-10-24 00:39:17,548 INFO L270 CegarLoopResult]: At program point L29(line 29) the Hoare annotation is: (and (<= main_~x~0 9) (<= 9 main_~x~0)) [2020-10-24 00:39:17,548 INFO L270 CegarLoopResult]: At program point L29-1(line 29) the Hoare annotation is: (and (<= 9 main_~x~0) (<= 34 |main_#t~ret9|) (<= |main_#t~ret9| 34)) [2020-10-24 00:39:17,548 INFO L270 CegarLoopResult]: At program point L29-2(line 29) the Hoare annotation is: (and (<= 9 main_~x~0) (<= 34 |main_#t~ret9|) (<= |main_#t~ret9| 34)) [2020-10-24 00:39:17,548 INFO L270 CegarLoopResult]: At program point L29-3(line 29) the Hoare annotation is: (and (<= 9 main_~x~0) (<= 34 main_~result~0) (<= 34 |main_#t~ret9|) (<= main_~result~0 34) (<= |main_#t~ret9| 34)) [2020-10-24 00:39:17,549 INFO L270 CegarLoopResult]: At program point mainEXIT(lines 27 35) the Hoare annotation is: (<= 9 main_~x~0) [2020-10-24 00:39:17,549 INFO L270 CegarLoopResult]: At program point mainFINAL(lines 27 35) the Hoare annotation is: (<= 9 main_~x~0) [2020-10-24 00:39:17,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 12:39:17 BoogieIcfgContainer [2020-10-24 00:39:17,570 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 00:39:17,572 INFO L168 Benchmark]: Toolchain (without parser) took 79598.91 ms. Allocated memory was 156.2 MB in the beginning and 1.6 GB in the end (delta: 1.4 GB). Free memory was 132.4 MB in the beginning and 1.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 986.8 MB. Max. memory is 8.0 GB. [2020-10-24 00:39:17,573 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 156.2 MB. Free memory is still 130.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-24 00:39:17,574 INFO L168 Benchmark]: CACSL2BoogieTranslator took 249.00 ms. Allocated memory is still 156.2 MB. Free memory was 131.8 MB in the beginning and 122.8 MB in the end (delta: 9.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. [2020-10-24 00:39:17,574 INFO L168 Benchmark]: Boogie Preprocessor took 32.92 ms. Allocated memory is still 156.2 MB. Free memory was 122.8 MB in the beginning and 121.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-10-24 00:39:17,575 INFO L168 Benchmark]: RCFGBuilder took 426.88 ms. Allocated memory is still 156.2 MB. Free memory was 121.3 MB in the beginning and 107.7 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2020-10-24 00:39:17,576 INFO L168 Benchmark]: TraceAbstraction took 78872.95 ms. Allocated memory was 156.2 MB in the beginning and 1.6 GB in the end (delta: 1.4 GB). Free memory was 107.3 MB in the beginning and 1.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 961.7 MB. Max. memory is 8.0 GB. [2020-10-24 00:39:17,579 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 156.2 MB. Free memory is still 130.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 249.00 ms. Allocated memory is still 156.2 MB. Free memory was 131.8 MB in the beginning and 122.8 MB in the end (delta: 9.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 32.92 ms. Allocated memory is still 156.2 MB. Free memory was 122.8 MB in the beginning and 121.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 426.88 ms. Allocated memory is still 156.2 MB. Free memory was 121.3 MB in the beginning and 107.7 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 78872.95 ms. Allocated memory was 156.2 MB in the beginning and 1.6 GB in the end (delta: 1.4 GB). Free memory was 107.3 MB in the beginning and 1.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 961.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: 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 - ProcedureContractResult [Line: 3]: Procedure Contract for reach_error Derived contract for procedure reach_error: 1 - ProcedureContractResult [Line: 16]: Procedure Contract for fibonacci Derived contract for procedure fibonacci: (((((0 <= \result && \result <= 0) || 0 < n) && ((!(\old(n) <= 2) || ((n == \old(n) && 1 <= \result) && \result <= 1)) || !(2 <= \old(n)))) && (((n == \old(n) && \old(n) <= 0) || !(\old(n) <= 1)) || ((n == \old(n) && 1 <= \result) && \result <= 1))) && ((((((((((((n == \old(n) && \result <= 8) && 8 <= \result) && n <= 6) && 6 <= \old(n)) || !(3 <= \old(n))) || (((9 <= n && \result <= 34) && n == \old(n)) && 34 <= \result)) || ((((\result <= 2 && \old(n) <= 3) && n == \old(n)) && 3 <= \old(n)) && 2 <= \result)) || (10 <= \old(n) && n == \old(n))) || ((((\result <= 21 && 21 <= \result) && \old(n) <= 8) && 8 <= \old(n)) && n == \old(n))) || ((((\result <= 5 && 5 <= \old(n)) && 5 <= \result) && n == \old(n)) && \old(n) <= 5)) || (((\result <= 3 && 3 <= \result) && n == \old(n)) && \old(n) <= 4)) || ((((\result <= 13 && 13 <= \result) && n == \old(n)) && 7 <= \old(n)) && \old(n) <= 7))) && ((!(3 <= \old(n)) || ((((\result <= 2 && \old(n) <= 3) && n == \old(n)) && 3 <= \old(n)) && 2 <= \result)) || !(\old(n) <= 3)) - ProcedureContractResult [Line: 27]: Procedure Contract for main Derived contract for procedure main: 9 <= x - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 43 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 58.8s, OverallIterations: 16, TraceHistogramMax: 177, AutomataDifference: 24.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 19.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 816 SDtfs, 1813 SDslu, 1694 SDs, 0 SdLazy, 7992 SolverSat, 1325 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2455 GetRequests, 2038 SyntacticMatches, 0 SemanticMatches, 417 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3428 ImplicationChecksByTransitivity, 15.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=888occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 16 MinimizatonAttempts, 1591 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 5787 PreInvPairs, 8778 NumberOfFragments, 1831 HoareAnnotationTreeSize, 5787 FomulaSimplifications, 221421 FormulaSimplificationTreeSizeReduction, 7.5s HoareSimplificationTime, 43 FomulaSimplificationsInter, 59162 FormulaSimplificationTreeSizeReductionInter, 12.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 27.6s InterpolantComputationTime, 8125 NumberOfCodeBlocks, 8125 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 8109 ConstructedInterpolants, 0 QuantifiedInterpolants, 14171157 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 2 PerfectInterpolantSequences, 297108/350671 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...