/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/recursive/Fibonacci02.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 06:58:15,950 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 06:58:15,954 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 06:58:16,006 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 06:58:16,007 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 06:58:16,011 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 06:58:16,014 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 06:58:16,022 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 06:58:16,025 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 06:58:16,030 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 06:58:16,032 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 06:58:16,033 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2020-12-22 06:58:16,091 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 06:58:16,092 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 06:58:16,092 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 06:58:16,093 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 06:58:16,143 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 06:58:16,143 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 06:58:16,147 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 06:58:16,148 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 06:58:16,148 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 06:58:16,148 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 06:58:16,148 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 06:58:16,149 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 06:58:16,149 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 06:58:16,149 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 06:58:16,150 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 06:58:16,151 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 06:58:16,151 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 06:58:16,151 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 06:58:16,151 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 06:58:16,151 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 06:58:16,152 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 06:58:16,152 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:58:16,152 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 06:58:16,152 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 06:58:16,153 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 06:58:16,153 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 06:58:16,153 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 06:58:16,153 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 06:58:16,153 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 06:58:16,154 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 06:58:16,513 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 06:58:16,537 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 06:58:16,540 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 06:58:16,541 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 06:58:16,542 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 06:58:16,543 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive/Fibonacci02.c [2020-12-22 06:58:16,624 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/381e20273/1c5f7a78330242eab4c7c188f9c92205/FLAG1cfbac312 [2020-12-22 06:58:17,201 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 06:58:17,201 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/Fibonacci02.c [2020-12-22 06:58:17,208 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/381e20273/1c5f7a78330242eab4c7c188f9c92205/FLAG1cfbac312 [2020-12-22 06:58:17,580 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/381e20273/1c5f7a78330242eab4c7c188f9c92205 [2020-12-22 06:58:17,583 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 06:58:17,585 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 06:58:17,587 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 06:58:17,587 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 06:58:17,592 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 06:58:17,593 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:58:17" (1/1) ... [2020-12-22 06:58:17,594 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ed7c0a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:58:17, skipping insertion in model container [2020-12-22 06:58:17,595 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:58:17" (1/1) ... [2020-12-22 06:58:17,604 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 06:58:17,620 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 06:58:17,818 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/Fibonacci02.c[715,728] [2020-12-22 06:58:17,822 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:58:17,834 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 06:58:17,851 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/Fibonacci02.c[715,728] [2020-12-22 06:58:17,852 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:58:17,868 INFO L208 MainTranslator]: Completed translation [2020-12-22 06:58:17,869 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:58:17 WrapperNode [2020-12-22 06:58:17,869 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 06:58:17,871 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 06:58:17,871 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 06:58:17,871 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 06:58:17,880 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:58:17" (1/1) ... [2020-12-22 06:58:17,887 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:58:17" (1/1) ... [2020-12-22 06:58:17,908 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 06:58:17,909 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 06:58:17,909 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 06:58:17,909 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 06:58:17,919 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:58:17" (1/1) ... [2020-12-22 06:58:17,919 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:58:17" (1/1) ... [2020-12-22 06:58:17,921 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:58:17" (1/1) ... [2020-12-22 06:58:17,921 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:58:17" (1/1) ... [2020-12-22 06:58:17,925 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:58:17" (1/1) ... [2020-12-22 06:58:17,927 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:58:17" (1/1) ... [2020-12-22 06:58:17,928 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:58:17" (1/1) ... [2020-12-22 06:58:17,930 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 06:58:17,931 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 06:58:17,931 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 06:58:17,932 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 06:58:17,932 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:58:17" (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 [2020-12-22 06:58:18,034 INFO L130 BoogieDeclarations]: Found specification of procedure fibonacci [2020-12-22 06:58:18,035 INFO L138 BoogieDeclarations]: Found implementation of procedure fibonacci [2020-12-22 06:58:18,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 06:58:18,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 06:58:18,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 06:58:18,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 06:58:18,275 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 06:58:18,278 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2020-12-22 06:58:18,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:58:18 BoogieIcfgContainer [2020-12-22 06:58:18,284 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 06:58:18,288 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 06:58:18,289 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 06:58:18,296 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 06:58:18,296 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 06:58:17" (1/3) ... [2020-12-22 06:58:18,301 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e1b5ded and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:58:18, skipping insertion in model container [2020-12-22 06:58:18,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:58:17" (2/3) ... [2020-12-22 06:58:18,302 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e1b5ded and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:58:18, skipping insertion in model container [2020-12-22 06:58:18,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:58:18" (3/3) ... [2020-12-22 06:58:18,305 INFO L111 eAbstractionObserver]: Analyzing ICFG Fibonacci02.c [2020-12-22 06:58:18,324 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 06:58:18,337 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-22 06:58:18,399 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-22 06:58:18,465 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 06:58:18,465 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 06:58:18,465 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 06:58:18,466 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 06:58:18,466 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 06:58:18,469 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 06:58:18,469 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 06:58:18,469 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 06:58:18,499 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2020-12-22 06:58:18,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-22 06:58:18,505 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:58:18,506 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:58:18,507 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:58:18,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:58:18,516 INFO L82 PathProgramCache]: Analyzing trace with hash 117289724, now seen corresponding path program 1 times [2020-12-22 06:58:18,528 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:58:18,530 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842625356] [2020-12-22 06:58:18,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:58:18,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:18,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-12-22 06:58:18,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:18,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:58:18,900 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842625356] [2020-12-22 06:58:18,900 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:58:18,901 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:58:18,902 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271809040] [2020-12-22 06:58:18,907 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:58:18,908 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:58:18,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:58:18,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:58:18,928 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 5 states. [2020-12-22 06:58:19,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:58:19,041 INFO L93 Difference]: Finished difference Result 28 states and 34 transitions. [2020-12-22 06:58:19,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:58:19,044 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2020-12-22 06:58:19,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:58:19,053 INFO L225 Difference]: With dead ends: 28 [2020-12-22 06:58:19,054 INFO L226 Difference]: Without dead ends: 18 [2020-12-22 06:58:19,057 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-12-22 06:58:19,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2020-12-22 06:58:19,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2020-12-22 06:58:19,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2020-12-22 06:58:19,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions. [2020-12-22 06:58:19,106 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 22 transitions. Word has length 10 [2020-12-22 06:58:19,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:58:19,107 INFO L481 AbstractCegarLoop]: Abstraction has 18 states and 22 transitions. [2020-12-22 06:58:19,107 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:58:19,107 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2020-12-22 06:58:19,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-22 06:58:19,109 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:58:19,109 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:58:19,110 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 06:58:19,110 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:58:19,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:58:19,111 INFO L82 PathProgramCache]: Analyzing trace with hash 36927066, now seen corresponding path program 1 times [2020-12-22 06:58:19,111 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:58:19,112 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636728913] [2020-12-22 06:58:19,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:58:19,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:19,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-12-22 06:58:19,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:19,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:58:19,206 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636728913] [2020-12-22 06:58:19,206 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:58:19,206 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:58:19,208 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315002434] [2020-12-22 06:58:19,209 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:58:19,210 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:58:19,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:58:19,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:58:19,213 INFO L87 Difference]: Start difference. First operand 18 states and 22 transitions. Second operand 5 states. [2020-12-22 06:58:19,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:58:19,298 INFO L93 Difference]: Finished difference Result 24 states and 29 transitions. [2020-12-22 06:58:19,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:58:19,299 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2020-12-22 06:58:19,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:58:19,301 INFO L225 Difference]: With dead ends: 24 [2020-12-22 06:58:19,301 INFO L226 Difference]: Without dead ends: 20 [2020-12-22 06:58:19,302 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-12-22 06:58:19,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2020-12-22 06:58:19,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 18. [2020-12-22 06:58:19,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2020-12-22 06:58:19,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions. [2020-12-22 06:58:19,310 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 22 transitions. Word has length 11 [2020-12-22 06:58:19,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:58:19,310 INFO L481 AbstractCegarLoop]: Abstraction has 18 states and 22 transitions. [2020-12-22 06:58:19,310 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:58:19,311 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2020-12-22 06:58:19,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-22 06:58:19,312 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:58:19,312 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:58:19,312 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 06:58:19,313 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:58:19,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:58:19,314 INFO L82 PathProgramCache]: Analyzing trace with hash 703243533, now seen corresponding path program 1 times [2020-12-22 06:58:19,314 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:58:19,314 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758649808] [2020-12-22 06:58:19,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:58:19,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:19,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-12-22 06:58:19,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:19,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:19,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:19,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-12-22 06:58:19,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:19,432 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-22 06:58:19,433 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758649808] [2020-12-22 06:58:19,433 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2027383146] [2020-12-22 06:58:19,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 06:58:19,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:19,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-22 06:58:19,504 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 06:58:19,657 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-22 06:58:19,657 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 06:58:19,658 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2020-12-22 06:58:19,658 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692265541] [2020-12-22 06:58:19,659 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 06:58:19,659 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:58:19,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 06:58:19,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-12-22 06:58:19,660 INFO L87 Difference]: Start difference. First operand 18 states and 22 transitions. Second operand 9 states. [2020-12-22 06:58:19,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:58:19,780 INFO L93 Difference]: Finished difference Result 35 states and 46 transitions. [2020-12-22 06:58:19,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-22 06:58:19,781 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2020-12-22 06:58:19,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:58:19,782 INFO L225 Difference]: With dead ends: 35 [2020-12-22 06:58:19,782 INFO L226 Difference]: Without dead ends: 20 [2020-12-22 06:58:19,783 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2020-12-22 06:58:19,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2020-12-22 06:58:19,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2020-12-22 06:58:19,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2020-12-22 06:58:19,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 24 transitions. [2020-12-22 06:58:19,791 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 24 transitions. Word has length 23 [2020-12-22 06:58:19,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:58:19,792 INFO L481 AbstractCegarLoop]: Abstraction has 20 states and 24 transitions. [2020-12-22 06:58:19,792 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 06:58:19,792 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2020-12-22 06:58:19,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-22 06:58:19,794 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:58:19,794 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:58:20,009 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-12-22 06:58:20,010 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:58:20,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:58:20,012 INFO L82 PathProgramCache]: Analyzing trace with hash 187716987, now seen corresponding path program 1 times [2020-12-22 06:58:20,013 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:58:20,013 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025217661] [2020-12-22 06:58:20,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:58:20,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:20,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-12-22 06:58:20,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:20,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:20,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:20,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:20,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:20,202 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-22 06:58:20,204 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025217661] [2020-12-22 06:58:20,204 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [237942994] [2020-12-22 06:58:20,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 06:58:20,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:20,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-22 06:58:20,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 06:58:20,331 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-22 06:58:20,332 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 06:58:20,332 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 8 [2020-12-22 06:58:20,332 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550940122] [2020-12-22 06:58:20,333 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-22 06:58:20,333 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:58:20,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-22 06:58:20,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-12-22 06:58:20,334 INFO L87 Difference]: Start difference. First operand 20 states and 24 transitions. Second operand 8 states. [2020-12-22 06:58:20,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:58:20,420 INFO L93 Difference]: Finished difference Result 38 states and 52 transitions. [2020-12-22 06:58:20,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-22 06:58:20,420 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 24 [2020-12-22 06:58:20,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:58:20,423 INFO L225 Difference]: With dead ends: 38 [2020-12-22 06:58:20,423 INFO L226 Difference]: Without dead ends: 34 [2020-12-22 06:58:20,424 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-12-22 06:58:20,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-12-22 06:58:20,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2020-12-22 06:58:20,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2020-12-22 06:58:20,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 48 transitions. [2020-12-22 06:58:20,435 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 48 transitions. Word has length 24 [2020-12-22 06:58:20,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:58:20,436 INFO L481 AbstractCegarLoop]: Abstraction has 34 states and 48 transitions. [2020-12-22 06:58:20,436 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-22 06:58:20,436 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 48 transitions. [2020-12-22 06:58:20,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-22 06:58:20,438 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:58:20,438 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:58:20,651 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 06:58:20,651 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:58:20,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:58:20,652 INFO L82 PathProgramCache]: Analyzing trace with hash 1151618030, now seen corresponding path program 2 times [2020-12-22 06:58:20,653 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:58:20,653 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821999301] [2020-12-22 06:58:20,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:58:20,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:20,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-12-22 06:58:20,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:20,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:20,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:20,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:20,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:20,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:20,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:20,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:20,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:20,789 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-12-22 06:58:20,790 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821999301] [2020-12-22 06:58:20,790 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [279229077] [2020-12-22 06:58:20,790 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 06:58:20,840 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-12-22 06:58:20,840 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-22 06:58:20,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-22 06:58:20,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 06:58:20,971 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-12-22 06:58:20,972 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 06:58:20,972 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 13 [2020-12-22 06:58:20,973 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835240680] [2020-12-22 06:58:20,973 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-12-22 06:58:20,973 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:58:20,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-12-22 06:58:20,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2020-12-22 06:58:20,975 INFO L87 Difference]: Start difference. First operand 34 states and 48 transitions. Second operand 13 states. [2020-12-22 06:58:21,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:58:21,195 INFO L93 Difference]: Finished difference Result 69 states and 106 transitions. [2020-12-22 06:58:21,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-12-22 06:58:21,196 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 37 [2020-12-22 06:58:21,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:58:21,198 INFO L225 Difference]: With dead ends: 69 [2020-12-22 06:58:21,198 INFO L226 Difference]: Without dead ends: 38 [2020-12-22 06:58:21,200 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=254, Unknown=0, NotChecked=0, Total=342 [2020-12-22 06:58:21,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2020-12-22 06:58:21,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2020-12-22 06:58:21,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2020-12-22 06:58:21,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 46 transitions. [2020-12-22 06:58:21,208 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 46 transitions. Word has length 37 [2020-12-22 06:58:21,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:58:21,209 INFO L481 AbstractCegarLoop]: Abstraction has 38 states and 46 transitions. [2020-12-22 06:58:21,209 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-12-22 06:58:21,209 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 46 transitions. [2020-12-22 06:58:21,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-12-22 06:58:21,212 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:58:21,213 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 11, 6, 6, 6, 6, 6, 6, 6, 5, 2, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:58:21,426 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 06:58:21,427 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:58:21,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:58:21,429 INFO L82 PathProgramCache]: Analyzing trace with hash -1375066668, now seen corresponding path program 3 times [2020-12-22 06:58:21,429 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:58:21,430 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345012027] [2020-12-22 06:58:21,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:58:21,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:21,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-12-22 06:58:21,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:21,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:21,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:21,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:21,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:21,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:21,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:21,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:21,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:21,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:21,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:21,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-12-22 06:58:21,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:21,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:21,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:21,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:21,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:21,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:21,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:21,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:21,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:21,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:21,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:21,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-12-22 06:58:21,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:21,889 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 27 proven. 166 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2020-12-22 06:58:21,890 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345012027] [2020-12-22 06:58:21,890 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2142652196] [2020-12-22 06:58:21,890 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 06:58:21,963 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2020-12-22 06:58:21,964 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-22 06:58:21,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-22 06:58:21,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 06:58:22,165 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 174 proven. 17 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2020-12-22 06:58:22,165 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 06:58:22,166 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 8] total 16 [2020-12-22 06:58:22,166 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553702266] [2020-12-22 06:58:22,167 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-12-22 06:58:22,167 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:58:22,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-12-22 06:58:22,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2020-12-22 06:58:22,168 INFO L87 Difference]: Start difference. First operand 38 states and 46 transitions. Second operand 16 states. [2020-12-22 06:58:22,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:58:22,602 INFO L93 Difference]: Finished difference Result 89 states and 133 transitions. [2020-12-22 06:58:22,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-12-22 06:58:22,603 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 93 [2020-12-22 06:58:22,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:58:22,606 INFO L225 Difference]: With dead ends: 89 [2020-12-22 06:58:22,607 INFO L226 Difference]: Without dead ends: 53 [2020-12-22 06:58:22,609 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=178, Invalid=524, Unknown=0, NotChecked=0, Total=702 [2020-12-22 06:58:22,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-12-22 06:58:22,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 50. [2020-12-22 06:58:22,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2020-12-22 06:58:22,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 63 transitions. [2020-12-22 06:58:22,622 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 63 transitions. Word has length 93 [2020-12-22 06:58:22,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:58:22,623 INFO L481 AbstractCegarLoop]: Abstraction has 50 states and 63 transitions. [2020-12-22 06:58:22,623 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-12-22 06:58:22,623 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 63 transitions. [2020-12-22 06:58:22,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-12-22 06:58:22,625 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:58:22,626 INFO L422 BasicCegarLoop]: trace histogram [19, 19, 15, 9, 9, 9, 9, 9, 9, 9, 6, 4, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:58:22,838 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 06:58:22,839 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:58:22,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:58:22,840 INFO L82 PathProgramCache]: Analyzing trace with hash 917554903, now seen corresponding path program 4 times [2020-12-22 06:58:22,841 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:58:22,841 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938589543] [2020-12-22 06:58:22,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:58:22,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:22,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-12-22 06:58:22,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:23,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:23,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:23,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:23,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:23,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:23,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:23,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:23,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:23,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:23,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:23,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:23,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:23,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-12-22 06:58:23,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:23,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:23,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:23,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:23,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:23,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-12-22 06:58:23,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:23,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:23,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:23,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:23,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:23,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:23,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:23,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:23,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:23,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:23,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:23,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-12-22 06:58:23,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:23,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:23,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:23,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:23,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:23,453 INFO L134 CoverageAnalysis]: Checked inductivity of 933 backedges. 198 proven. 308 refuted. 0 times theorem prover too weak. 427 trivial. 0 not checked. [2020-12-22 06:58:23,454 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938589543] [2020-12-22 06:58:23,454 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [329528149] [2020-12-22 06:58:23,454 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 06:58:23,529 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-12-22 06:58:23,529 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-22 06:58:23,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 12 conjunts are in the unsatisfiable core [2020-12-22 06:58:23,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 06:58:23,757 INFO L134 CoverageAnalysis]: Checked inductivity of 933 backedges. 52 proven. 326 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2020-12-22 06:58:23,758 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 06:58:23,764 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 9] total 21 [2020-12-22 06:58:23,765 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884211454] [2020-12-22 06:58:23,766 INFO L461 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-12-22 06:58:23,770 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:58:23,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-12-22 06:58:23,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2020-12-22 06:58:23,773 INFO L87 Difference]: Start difference. First operand 50 states and 63 transitions. Second operand 21 states. [2020-12-22 06:58:24,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:58:24,206 INFO L93 Difference]: Finished difference Result 116 states and 179 transitions. [2020-12-22 06:58:24,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-12-22 06:58:24,206 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 133 [2020-12-22 06:58:24,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:58:24,209 INFO L225 Difference]: With dead ends: 116 [2020-12-22 06:58:24,209 INFO L226 Difference]: Without dead ends: 73 [2020-12-22 06:58:24,211 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 203 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=229, Invalid=701, Unknown=0, NotChecked=0, Total=930 [2020-12-22 06:58:24,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-12-22 06:58:24,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 67. [2020-12-22 06:58:24,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2020-12-22 06:58:24,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 89 transitions. [2020-12-22 06:58:24,226 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 89 transitions. Word has length 133 [2020-12-22 06:58:24,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:58:24,226 INFO L481 AbstractCegarLoop]: Abstraction has 67 states and 89 transitions. [2020-12-22 06:58:24,227 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-12-22 06:58:24,227 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 89 transitions. [2020-12-22 06:58:24,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2020-12-22 06:58:24,230 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:58:24,230 INFO L422 BasicCegarLoop]: trace histogram [29, 29, 23, 14, 14, 14, 14, 14, 14, 14, 9, 6, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:58:24,443 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2020-12-22 06:58:24,444 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:58:24,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:58:24,445 INFO L82 PathProgramCache]: Analyzing trace with hash 1715676078, now seen corresponding path program 5 times [2020-12-22 06:58:24,445 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:58:24,446 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119705045] [2020-12-22 06:58:24,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:58:24,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:24,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-12-22 06:58:24,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:24,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:24,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:24,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:24,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:24,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:24,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:24,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:24,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:24,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:24,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:24,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:24,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:24,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:24,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:24,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-12-22 06:58:24,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:24,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:24,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:24,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:24,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:24,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-12-22 06:58:24,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:24,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:24,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:24,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:24,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:24,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:24,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:24,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:24,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:24,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-12-22 06:58:24,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:24,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:24,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:24,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:24,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:24,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:24,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:24,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:24,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:24,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:24,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:24,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:24,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:25,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-12-22 06:58:25,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:25,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:25,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:25,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:25,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:25,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-12-22 06:58:25,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:25,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:25,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:25,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:25,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:25,174 INFO L134 CoverageAnalysis]: Checked inductivity of 2241 backedges. 393 proven. 617 refuted. 0 times theorem prover too weak. 1231 trivial. 0 not checked. [2020-12-22 06:58:25,175 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119705045] [2020-12-22 06:58:25,175 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1623270647] [2020-12-22 06:58:25,175 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 06:58:25,296 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 21 check-sat command(s) [2020-12-22 06:58:25,296 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-22 06:58:25,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 20 conjunts are in the unsatisfiable core [2020-12-22 06:58:25,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 06:58:25,678 INFO L134 CoverageAnalysis]: Checked inductivity of 2241 backedges. 620 proven. 476 refuted. 0 times theorem prover too weak. 1145 trivial. 0 not checked. [2020-12-22 06:58:25,678 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 06:58:25,679 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 14] total 25 [2020-12-22 06:58:25,679 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985550179] [2020-12-22 06:58:25,680 INFO L461 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-12-22 06:58:25,680 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:58:25,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-12-22 06:58:25,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=474, Unknown=0, NotChecked=0, Total=600 [2020-12-22 06:58:25,681 INFO L87 Difference]: Start difference. First operand 67 states and 89 transitions. Second operand 25 states. [2020-12-22 06:58:26,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:58:26,396 INFO L93 Difference]: Finished difference Result 147 states and 243 transitions. [2020-12-22 06:58:26,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-12-22 06:58:26,396 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 201 [2020-12-22 06:58:26,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:58:26,400 INFO L225 Difference]: With dead ends: 147 [2020-12-22 06:58:26,400 INFO L226 Difference]: Without dead ends: 91 [2020-12-22 06:58:26,402 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 296 GetRequests, 254 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 472 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=388, Invalid=1418, Unknown=0, NotChecked=0, Total=1806 [2020-12-22 06:58:26,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2020-12-22 06:58:26,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 84. [2020-12-22 06:58:26,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2020-12-22 06:58:26,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 113 transitions. [2020-12-22 06:58:26,418 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 113 transitions. Word has length 201 [2020-12-22 06:58:26,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:58:26,419 INFO L481 AbstractCegarLoop]: Abstraction has 84 states and 113 transitions. [2020-12-22 06:58:26,419 INFO L482 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-12-22 06:58:26,419 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 113 transitions. [2020-12-22 06:58:26,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2020-12-22 06:58:26,424 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:58:26,425 INFO L422 BasicCegarLoop]: trace histogram [47, 47, 38, 23, 23, 23, 23, 23, 23, 23, 15, 9, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:58:26,637 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 06:58:26,638 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:58:26,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:58:26,639 INFO L82 PathProgramCache]: Analyzing trace with hash 88549517, now seen corresponding path program 6 times [2020-12-22 06:58:26,639 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:58:26,640 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271482336] [2020-12-22 06:58:26,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:58:26,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:26,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-12-22 06:58:26,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:26,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:26,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:26,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:26,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:26,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:27,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:27,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:27,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:27,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:27,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:27,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:27,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:27,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:27,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:27,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:27,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:27,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-12-22 06:58:27,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:27,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:27,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:27,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:27,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:27,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-12-22 06:58:27,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:27,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:27,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:27,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:27,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:27,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:27,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:27,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:27,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:27,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-12-22 06:58:27,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:27,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:27,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:27,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:27,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:27,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:27,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:27,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:27,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:27,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:27,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:27,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-12-22 06:58:27,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:27,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:27,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:27,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:27,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:27,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-12-22 06:58:27,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:27,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:27,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:27,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:27,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:27,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:27,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:27,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:27,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:27,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:27,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:27,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:27,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:27,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:27,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:27,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-12-22 06:58:27,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:27,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:27,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:27,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:27,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:27,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-12-22 06:58:27,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:27,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:27,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:27,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:27,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:27,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:27,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:27,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:27,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:27,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-12-22 06:58:27,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:27,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:27,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:27,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:27,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:27,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:27,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:27,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:27,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:27,951 INFO L134 CoverageAnalysis]: Checked inductivity of 6039 backedges. 1307 proven. 1260 refuted. 0 times theorem prover too weak. 3472 trivial. 0 not checked. [2020-12-22 06:58:27,951 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271482336] [2020-12-22 06:58:27,952 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1466205726] [2020-12-22 06:58:27,952 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 06:58:28,109 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 20 check-sat command(s) [2020-12-22 06:58:28,110 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-22 06:58:28,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 14 conjunts are in the unsatisfiable core [2020-12-22 06:58:28,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 06:58:28,528 INFO L134 CoverageAnalysis]: Checked inductivity of 6039 backedges. 346 proven. 1004 refuted. 0 times theorem prover too weak. 4689 trivial. 0 not checked. [2020-12-22 06:58:28,529 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 06:58:28,529 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 10] total 25 [2020-12-22 06:58:28,529 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479101626] [2020-12-22 06:58:28,531 INFO L461 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-12-22 06:58:28,531 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:58:28,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-12-22 06:58:28,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=470, Unknown=0, NotChecked=0, Total=600 [2020-12-22 06:58:28,532 INFO L87 Difference]: Start difference. First operand 84 states and 113 transitions. Second operand 25 states. [2020-12-22 06:58:29,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:58:29,288 INFO L93 Difference]: Finished difference Result 193 states and 312 transitions. [2020-12-22 06:58:29,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-12-22 06:58:29,289 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 324 [2020-12-22 06:58:29,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:58:29,292 INFO L225 Difference]: With dead ends: 193 [2020-12-22 06:58:29,292 INFO L226 Difference]: Without dead ends: 120 [2020-12-22 06:58:29,295 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 465 GetRequests, 423 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 485 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=419, Invalid=1473, Unknown=0, NotChecked=0, Total=1892 [2020-12-22 06:58:29,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-12-22 06:58:29,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 105. [2020-12-22 06:58:29,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2020-12-22 06:58:29,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 144 transitions. [2020-12-22 06:58:29,314 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 144 transitions. Word has length 324 [2020-12-22 06:58:29,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:58:29,315 INFO L481 AbstractCegarLoop]: Abstraction has 105 states and 144 transitions. [2020-12-22 06:58:29,315 INFO L482 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-12-22 06:58:29,315 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 144 transitions. [2020-12-22 06:58:29,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 461 [2020-12-22 06:58:29,326 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:58:29,326 INFO L422 BasicCegarLoop]: trace histogram [67, 67, 54, 33, 33, 33, 33, 33, 33, 33, 21, 13, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:58:29,541 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 06:58:29,542 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:58:29,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:58:29,543 INFO L82 PathProgramCache]: Analyzing trace with hash 670316307, now seen corresponding path program 7 times [2020-12-22 06:58:29,543 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:58:29,544 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334575528] [2020-12-22 06:58:29,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:58:29,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:29,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-12-22 06:58:29,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:30,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:30,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:30,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:30,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:30,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:30,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:30,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:30,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:30,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:30,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:30,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:30,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:30,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:30,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:30,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:30,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:30,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:30,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:30,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-12-22 06:58:30,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:30,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:30,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:30,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:30,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:30,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-12-22 06:58:30,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:30,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:30,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:30,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:30,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:30,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:30,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:30,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:30,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:30,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-12-22 06:58:30,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:30,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:30,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:30,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:30,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:30,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:30,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:30,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:30,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:30,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:30,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:30,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-12-22 06:58:30,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:30,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:30,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:30,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:30,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:30,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-12-22 06:58:30,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:30,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:30,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:30,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:30,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:30,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:30,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:30,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:30,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:30,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:30,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:30,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:30,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:30,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-12-22 06:58:30,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:30,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:30,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:30,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:30,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:30,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-12-22 06:58:30,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:30,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:30,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:30,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:30,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:30,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:30,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:30,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:30,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:30,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-12-22 06:58:30,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:30,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:30,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:30,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:30,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:30,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:30,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:30,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:30,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:30,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:30,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:30,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:30,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:30,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:30,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:30,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-12-22 06:58:30,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:30,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:30,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:30,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:30,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:30,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-12-22 06:58:30,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:30,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:30,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:30,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:30,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:30,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:30,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:30,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:30,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:30,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-12-22 06:58:30,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:30,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:30,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:30,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:30,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:30,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:30,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:30,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:30,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:30,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:30,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:30,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-12-22 06:58:30,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:30,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:30,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:30,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:30,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:31,157 INFO L134 CoverageAnalysis]: Checked inductivity of 12387 backedges. 361 proven. 2270 refuted. 0 times theorem prover too weak. 9756 trivial. 0 not checked. [2020-12-22 06:58:31,158 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334575528] [2020-12-22 06:58:31,158 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [818241551] [2020-12-22 06:58:31,158 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 06:58:31,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:31,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 1050 conjuncts, 18 conjunts are in the unsatisfiable core [2020-12-22 06:58:31,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 06:58:31,930 INFO L134 CoverageAnalysis]: Checked inductivity of 12387 backedges. 361 proven. 2270 refuted. 0 times theorem prover too weak. 9756 trivial. 0 not checked. [2020-12-22 06:58:31,930 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 06:58:31,930 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 12] total 20 [2020-12-22 06:58:31,931 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678641791] [2020-12-22 06:58:31,932 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-12-22 06:58:31,932 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:58:31,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-12-22 06:58:31,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=251, Unknown=0, NotChecked=0, Total=380 [2020-12-22 06:58:31,933 INFO L87 Difference]: Start difference. First operand 105 states and 144 transitions. Second operand 20 states. [2020-12-22 06:58:32,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:58:32,240 INFO L93 Difference]: Finished difference Result 369 states and 551 transitions. [2020-12-22 06:58:32,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-12-22 06:58:32,241 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 460 [2020-12-22 06:58:32,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:58:32,249 INFO L225 Difference]: With dead ends: 369 [2020-12-22 06:58:32,249 INFO L226 Difference]: Without dead ends: 365 [2020-12-22 06:58:32,250 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 612 GetRequests, 593 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=148, Invalid=272, Unknown=0, NotChecked=0, Total=420 [2020-12-22 06:58:32,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2020-12-22 06:58:32,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 347. [2020-12-22 06:58:32,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 347 states. [2020-12-22 06:58:32,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 514 transitions. [2020-12-22 06:58:32,307 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 514 transitions. Word has length 460 [2020-12-22 06:58:32,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:58:32,308 INFO L481 AbstractCegarLoop]: Abstraction has 347 states and 514 transitions. [2020-12-22 06:58:32,308 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-12-22 06:58:32,308 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 514 transitions. [2020-12-22 06:58:32,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 747 [2020-12-22 06:58:32,334 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:58:32,335 INFO L422 BasicCegarLoop]: trace histogram [109, 109, 88, 54, 54, 54, 54, 54, 54, 54, 34, 21, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:58:32,549 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-12-22 06:58:32,550 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:58:32,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:58:32,551 INFO L82 PathProgramCache]: Analyzing trace with hash 597528604, now seen corresponding path program 8 times [2020-12-22 06:58:32,552 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:58:32,552 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126239752] [2020-12-22 06:58:32,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:58:32,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:33,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-12-22 06:58:33,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:33,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:33,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:34,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:34,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:34,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:34,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:34,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:34,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:34,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:34,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:34,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:34,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:34,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:34,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:34,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:34,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:34,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:34,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:34,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:34,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:34,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-12-22 06:58:34,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:34,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:34,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:34,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:34,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:34,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-12-22 06:58:34,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:34,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:34,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:34,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:34,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:34,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:34,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:34,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:34,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:34,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-12-22 06:58:34,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:34,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:34,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:34,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:34,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:34,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:34,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:34,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:34,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:34,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:34,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:34,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-12-22 06:58:34,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:34,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:34,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:34,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:34,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:35,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-12-22 06:58:35,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:35,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:35,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:35,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:35,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:35,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:35,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:35,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:35,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:35,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:35,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:35,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:35,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:35,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-12-22 06:58:35,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:35,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:35,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:35,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:35,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:35,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-12-22 06:58:35,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:35,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:35,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:35,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:35,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:35,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:35,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:35,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:35,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:35,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-12-22 06:58:35,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:35,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:35,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:35,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:35,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:35,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:35,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:35,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:35,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:35,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:35,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:35,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:35,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:35,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:35,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:35,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-12-22 06:58:35,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:35,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:35,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:35,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:35,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:35,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-12-22 06:58:35,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:35,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:35,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:35,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:35,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:35,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:35,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:35,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:35,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:35,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-12-22 06:58:35,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:35,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:35,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:35,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:35,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:35,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:35,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:35,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:35,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:35,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:35,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:35,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-12-22 06:58:35,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:35,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:35,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:35,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:35,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:35,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-12-22 06:58:36,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:36,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:36,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:36,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:36,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:36,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:36,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:36,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:36,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:36,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:36,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:36,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:36,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:36,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:36,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:36,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:36,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:36,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-12-22 06:58:36,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:36,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:36,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:36,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:36,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:36,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-12-22 06:58:36,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:36,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:36,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:36,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:36,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:36,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:36,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:36,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:36,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:36,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-12-22 06:58:36,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:36,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:36,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:36,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:36,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:36,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:36,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:36,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:36,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:36,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:36,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:36,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-12-22 06:58:36,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:36,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:36,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:36,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:36,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:36,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-12-22 06:58:36,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:36,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:36,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:36,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:36,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:36,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:36,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:36,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:36,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:36,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:36,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:36,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:36,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:36,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-12-22 06:58:36,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:36,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:36,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:36,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:36,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:36,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-12-22 06:58:36,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:36,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:36,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:36,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:36,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:36,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:36,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:36,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:36,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:38,306 INFO L134 CoverageAnalysis]: Checked inductivity of 33096 backedges. 0 proven. 10899 refuted. 0 times theorem prover too weak. 22197 trivial. 0 not checked. [2020-12-22 06:58:38,307 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126239752] [2020-12-22 06:58:38,307 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1431062046] [2020-12-22 06:58:38,307 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 06:58:38,651 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-12-22 06:58:38,652 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-22 06:58:38,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 1685 conjuncts, 439 conjunts are in the unsatisfiable core [2020-12-22 06:58:38,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 06:58:42,334 INFO L134 CoverageAnalysis]: Checked inductivity of 33096 backedges. 0 proven. 10899 refuted. 0 times theorem prover too weak. 22197 trivial. 0 not checked. [2020-12-22 06:58:42,335 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 06:58:42,335 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 36 [2020-12-22 06:58:42,335 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791114203] [2020-12-22 06:58:42,337 INFO L461 AbstractCegarLoop]: Interpolant automaton has 36 states [2020-12-22 06:58:42,337 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:58:42,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2020-12-22 06:58:42,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=1175, Unknown=0, NotChecked=0, Total=1260 [2020-12-22 06:58:42,338 INFO L87 Difference]: Start difference. First operand 347 states and 514 transitions. Second operand 36 states. [2020-12-22 06:58:43,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:58:43,242 INFO L93 Difference]: Finished difference Result 518 states and 881 transitions. [2020-12-22 06:58:43,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-22 06:58:43,242 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 746 [2020-12-22 06:58:43,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:58:43,253 INFO L225 Difference]: With dead ends: 518 [2020-12-22 06:58:43,253 INFO L226 Difference]: Without dead ends: 514 [2020-12-22 06:58:43,255 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1185 GetRequests, 1094 SyntacticMatches, 56 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 335 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=89, Invalid=1243, Unknown=0, NotChecked=0, Total=1332 [2020-12-22 06:58:43,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 514 states. [2020-12-22 06:58:43,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 514 to 362. [2020-12-22 06:58:43,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 362 states. [2020-12-22 06:58:43,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 558 transitions. [2020-12-22 06:58:43,341 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 558 transitions. Word has length 746 [2020-12-22 06:58:43,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:58:43,347 INFO L481 AbstractCegarLoop]: Abstraction has 362 states and 558 transitions. [2020-12-22 06:58:43,347 INFO L482 AbstractCegarLoop]: Interpolant automaton has 36 states. [2020-12-22 06:58:43,347 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 558 transitions. [2020-12-22 06:58:43,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 815 [2020-12-22 06:58:43,361 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:58:43,362 INFO L422 BasicCegarLoop]: trace histogram [119, 119, 96, 59, 59, 59, 59, 59, 59, 59, 37, 23, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:58:43,575 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 06:58:43,576 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:58:43,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:58:43,577 INFO L82 PathProgramCache]: Analyzing trace with hash 249922713, now seen corresponding path program 9 times [2020-12-22 06:58:43,577 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:58:43,578 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303636596] [2020-12-22 06:58:43,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:58:43,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:43,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-12-22 06:58:44,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:44,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:44,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:44,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:44,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:44,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:44,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:44,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:44,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:44,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:44,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:44,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:44,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:44,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:44,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:44,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:44,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:44,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:44,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:44,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:44,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:44,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-12-22 06:58:44,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:44,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:44,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:44,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:44,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:44,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-12-22 06:58:44,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:44,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:44,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:44,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:44,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:44,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:44,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:44,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:44,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-12-22 06:58:45,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:45,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:45,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:45,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:45,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:45,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-12-22 06:58:45,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:45,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:45,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-12-22 06:58:45,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:45,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:45,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:45,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:45,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:45,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:45,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-12-22 06:58:45,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:45,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:45,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-12-22 06:58:45,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:45,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:45,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:45,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:45,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-12-22 06:58:45,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:45,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:45,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:45,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:45,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:45,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:45,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:45,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-12-22 06:58:45,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:45,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:45,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-12-22 06:58:45,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:45,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:45,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:45,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:45,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-12-22 06:58:45,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:45,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:45,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:45,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:45,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:45,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-12-22 06:58:45,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:45,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:45,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-12-22 06:58:45,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:45,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:45,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:45,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:45,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:45,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:45,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:45,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:45,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:45,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-12-22 06:58:45,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:45,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:45,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:46,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-12-22 06:58:46,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:46,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:46,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:46,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:46,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:46,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:46,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:46,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:46,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:46,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-12-22 06:58:46,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:46,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:46,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:46,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:46,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:46,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:46,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:46,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:46,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:46,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:46,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:46,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-12-22 06:58:46,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:46,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:46,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:46,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:46,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:46,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-12-22 06:58:46,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:46,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:46,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:46,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:46,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:46,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:46,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:46,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:46,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:46,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:46,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:46,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-12-22 06:58:46,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:46,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:46,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:46,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:46,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:46,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-12-22 06:58:46,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:46,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:46,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:46,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:46,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:46,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:46,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:46,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:46,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:46,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:46,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:46,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:46,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:46,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-12-22 06:58:46,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:46,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:46,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:46,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:46,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:46,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-12-22 06:58:46,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:46,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:46,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:46,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:46,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:46,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:46,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:46,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:46,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:47,290 INFO L134 CoverageAnalysis]: Checked inductivity of 39488 backedges. 4736 proven. 5516 refuted. 0 times theorem prover too weak. 29236 trivial. 0 not checked. [2020-12-22 06:58:47,291 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303636596] [2020-12-22 06:58:47,291 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1828595762] [2020-12-22 06:58:47,291 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 06:58:47,632 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 58 check-sat command(s) [2020-12-22 06:58:47,633 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-22 06:58:47,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 997 conjuncts, 16 conjunts are in the unsatisfiable core [2020-12-22 06:58:47,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 06:58:48,666 INFO L134 CoverageAnalysis]: Checked inductivity of 39488 backedges. 12706 proven. 293 refuted. 0 times theorem prover too weak. 26489 trivial. 0 not checked. [2020-12-22 06:58:48,667 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 06:58:48,667 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 12] total 33 [2020-12-22 06:58:48,668 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042544485] [2020-12-22 06:58:48,669 INFO L461 AbstractCegarLoop]: Interpolant automaton has 33 states [2020-12-22 06:58:48,669 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:58:48,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2020-12-22 06:58:48,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=218, Invalid=838, Unknown=0, NotChecked=0, Total=1056 [2020-12-22 06:58:48,670 INFO L87 Difference]: Start difference. First operand 362 states and 558 transitions. Second operand 33 states. [2020-12-22 06:58:49,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:58:49,916 INFO L93 Difference]: Finished difference Result 541 states and 962 transitions. [2020-12-22 06:58:49,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2020-12-22 06:58:49,917 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 814 [2020-12-22 06:58:49,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:58:49,921 INFO L225 Difference]: With dead ends: 541 [2020-12-22 06:58:49,921 INFO L226 Difference]: Without dead ends: 194 [2020-12-22 06:58:49,927 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1125 GetRequests, 1057 SyntacticMatches, 1 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1425 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=911, Invalid=3781, Unknown=0, NotChecked=0, Total=4692 [2020-12-22 06:58:49,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2020-12-22 06:58:49,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 153. [2020-12-22 06:58:49,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2020-12-22 06:58:49,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 238 transitions. [2020-12-22 06:58:49,941 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 238 transitions. Word has length 814 [2020-12-22 06:58:49,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:58:49,942 INFO L481 AbstractCegarLoop]: Abstraction has 153 states and 238 transitions. [2020-12-22 06:58:49,942 INFO L482 AbstractCegarLoop]: Interpolant automaton has 33 states. [2020-12-22 06:58:49,942 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 238 transitions. [2020-12-22 06:58:49,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 856 [2020-12-22 06:58:49,949 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:58:49,950 INFO L422 BasicCegarLoop]: trace histogram [125, 125, 101, 62, 62, 62, 62, 62, 62, 62, 39, 24, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:58:50,164 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 06:58:50,165 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:58:50,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:58:50,166 INFO L82 PathProgramCache]: Analyzing trace with hash 2005047278, now seen corresponding path program 10 times [2020-12-22 06:58:50,166 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:58:50,167 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674038101] [2020-12-22 06:58:50,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:58:50,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:50,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-12-22 06:58:50,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:50,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:51,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:51,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:51,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:51,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:51,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:51,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:51,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:51,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:51,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:51,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:51,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:51,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:51,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:51,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:51,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:51,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:51,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:51,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:51,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:51,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:51,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:51,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-12-22 06:58:51,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:51,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:51,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:51,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:51,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:51,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-12-22 06:58:51,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:51,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:51,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:51,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:51,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:51,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:51,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:51,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:51,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:51,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-12-22 06:58:51,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:51,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:51,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:51,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:51,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:51,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:51,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:51,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:51,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:51,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:51,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:51,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-12-22 06:58:51,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:51,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:51,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:51,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:51,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:51,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-12-22 06:58:51,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:51,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:51,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:51,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:51,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:51,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:51,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:51,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:51,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:51,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:51,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:51,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:51,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:51,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-12-22 06:58:51,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:51,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:51,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:51,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:51,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:51,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-12-22 06:58:51,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:51,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:51,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:51,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:51,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:51,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:51,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:51,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:51,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:51,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-12-22 06:58:51,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:51,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:51,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:51,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:51,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:51,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:51,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:51,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:51,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:51,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:51,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:51,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:51,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:51,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-12-22 06:58:51,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:51,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:51,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:51,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:51,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:51,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-12-22 06:58:51,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:51,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:51,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:51,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:51,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:51,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:51,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:51,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:51,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:52,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2020-12-22 06:58:52,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:52,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:52,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:52,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:52,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:52,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:52,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:52,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:52,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:52,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:52,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:52,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:52,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:52,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:52,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:52,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-12-22 06:58:52,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:52,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:52,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:52,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:52,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:52,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-12-22 06:58:52,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:52,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:52,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:52,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:52,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:52,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:52,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:52,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:52,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:52,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-12-22 06:58:52,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:52,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:52,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:52,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:52,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:52,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:52,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:52,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:52,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:52,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:52,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:52,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-12-22 06:58:52,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:52,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:52,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:52,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:52,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:52,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 568 [2020-12-22 06:58:52,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:52,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:52,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:52,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:52,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:52,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:52,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:52,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:52,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:52,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:52,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:52,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:52,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:52,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:52,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:52,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:52,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:52,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-12-22 06:58:52,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:52,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:52,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:52,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:52,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:52,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-12-22 06:58:52,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:52,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:52,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:52,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:52,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:52,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:52,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:52,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:52,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:52,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-12-22 06:58:52,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:52,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:52,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:52,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:52,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:52,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:52,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:52,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:52,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:52,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:52,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:52,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-12-22 06:58:52,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:52,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:52,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:52,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:52,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:52,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-12-22 06:58:52,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:52,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:52,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:52,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:52,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:52,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:52,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:52,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:52,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:52,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:52,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:52,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:52,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:52,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-12-22 06:58:52,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:52,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:52,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:52,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:52,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:52,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-12-22 06:58:52,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:52,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:52,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:52,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:52,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:52,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:52,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:52,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:52,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:53,616 INFO L134 CoverageAnalysis]: Checked inductivity of 43614 backedges. 2168 proven. 5441 refuted. 0 times theorem prover too weak. 36005 trivial. 0 not checked. [2020-12-22 06:58:53,617 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674038101] [2020-12-22 06:58:53,617 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2112275307] [2020-12-22 06:58:53,617 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 06:58:53,951 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-12-22 06:58:53,952 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-22 06:58:53,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 1521 conjuncts, 22 conjunts are in the unsatisfiable core [2020-12-22 06:58:53,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 06:58:55,008 INFO L134 CoverageAnalysis]: Checked inductivity of 43614 backedges. 1106 proven. 5369 refuted. 0 times theorem prover too weak. 37139 trivial. 0 not checked. [2020-12-22 06:58:55,008 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 06:58:55,009 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 14] total 30 [2020-12-22 06:58:55,009 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987796627] [2020-12-22 06:58:55,011 INFO L461 AbstractCegarLoop]: Interpolant automaton has 30 states [2020-12-22 06:58:55,011 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:58:55,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2020-12-22 06:58:55,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=178, Invalid=692, Unknown=0, NotChecked=0, Total=870 [2020-12-22 06:58:55,013 INFO L87 Difference]: Start difference. First operand 153 states and 238 transitions. Second operand 30 states. [2020-12-22 06:58:55,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:58:55,952 INFO L93 Difference]: Finished difference Result 300 states and 518 transitions. [2020-12-22 06:58:55,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-12-22 06:58:55,952 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 855 [2020-12-22 06:58:55,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:58:55,954 INFO L225 Difference]: With dead ends: 300 [2020-12-22 06:58:55,954 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 06:58:55,957 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1144 GetRequests, 1102 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 532 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=390, Invalid=1502, Unknown=0, NotChecked=0, Total=1892 [2020-12-22 06:58:55,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 06:58:55,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 06:58:55,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 06:58:55,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 06:58:55,957 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 855 [2020-12-22 06:58:55,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:58:55,958 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 06:58:55,958 INFO L482 AbstractCegarLoop]: Interpolant automaton has 30 states. [2020-12-22 06:58:55,958 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 06:58:55,958 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 06:58:56,172 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-12-22 06:58:56,176 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 06:58:57,256 WARN L197 SmtUtils]: Spent 729.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 56 [2020-12-22 06:58:57,471 WARN L197 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 6 [2020-12-22 06:58:57,528 INFO L189 CegarLoopUtils]: For program point fibonacciFINAL(lines 16 24) no Hoare annotation was computed. [2020-12-22 06:58:57,529 INFO L192 CegarLoopUtils]: At program point fibonacciENTRY(lines 16 24) the Hoare annotation is: true [2020-12-22 06:58:57,529 INFO L185 CegarLoopUtils]: At program point L22(line 22) the Hoare annotation is: (and (= fibonacci_~n |fibonacci_#in~n|) (< 1 fibonacci_~n)) [2020-12-22 06:58:57,529 INFO L189 CegarLoopUtils]: For program point L22-1(line 22) no Hoare annotation was computed. [2020-12-22 06:58:57,529 INFO L185 CegarLoopUtils]: At program point L22-2(line 22) the Hoare annotation is: (and (let ((.cse0 (<= |fibonacci_#t~ret7| 1)) (.cse1 (<= 1 |fibonacci_#t~ret7|))) (or (and (<= 13 |fibonacci_#t~ret7|) (<= fibonacci_~n 8) (<= |fibonacci_#t~ret7| 13) (<= 8 |fibonacci_#in~n|)) (<= 10 |fibonacci_#in~n|) (and (<= |fibonacci_#t~ret7| 5) (<= 6 fibonacci_~n) (<= 5 |fibonacci_#t~ret7|) (<= fibonacci_~n 6)) (and (<= |fibonacci_#t~ret7| 2) (<= 4 fibonacci_~n) (<= 2 |fibonacci_#t~ret7|) (<= fibonacci_~n 4)) (and .cse0 (<= 3 |fibonacci_#in~n|) .cse1 (<= fibonacci_~n 3)) (and (<= 9 |fibonacci_#in~n|) (<= |fibonacci_#t~ret7| 21) (<= 21 |fibonacci_#t~ret7|)) (and .cse0 (<= |fibonacci_#in~n| 2) .cse1 (< 1 fibonacci_~n)) (and (<= |fibonacci_#t~ret7| 8) (<= 8 |fibonacci_#t~ret7|) (<= 7 fibonacci_~n) (<= fibonacci_~n 7)) (and (<= |fibonacci_#t~ret7| 3) (<= 5 fibonacci_~n) (<= 3 |fibonacci_#t~ret7|) (<= |fibonacci_#in~n| 5)))) (= fibonacci_~n |fibonacci_#in~n|)) [2020-12-22 06:58:57,530 INFO L189 CegarLoopUtils]: For program point L19(lines 19 23) no Hoare annotation was computed. [2020-12-22 06:58:57,530 INFO L189 CegarLoopUtils]: For program point L22-3(line 22) no Hoare annotation was computed. [2020-12-22 06:58:57,530 INFO L189 CegarLoopUtils]: For program point fibonacciEXIT(lines 16 24) no Hoare annotation was computed. [2020-12-22 06:58:57,530 INFO L189 CegarLoopUtils]: For program point L17(lines 17 23) no Hoare annotation was computed. [2020-12-22 06:58:57,530 INFO L189 CegarLoopUtils]: For program point L33(line 33) no Hoare annotation was computed. [2020-12-22 06:58:57,530 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 06:58:57,530 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 06:58:57,530 INFO L189 CegarLoopUtils]: For program point L30(lines 30 34) no Hoare annotation was computed. [2020-12-22 06:58:57,530 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 06:58:57,530 INFO L185 CegarLoopUtils]: At program point L29(line 29) the Hoare annotation is: (and (<= ULTIMATE.start_main_~x~0 9) (<= 9 ULTIMATE.start_main_~x~0)) [2020-12-22 06:58:57,531 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 06:58:57,531 INFO L189 CegarLoopUtils]: For program point L29-1(line 29) no Hoare annotation was computed. [2020-12-22 06:58:57,531 INFO L185 CegarLoopUtils]: At program point L27(lines 27 35) the Hoare annotation is: (<= 9 ULTIMATE.start_main_~x~0) [2020-12-22 06:58:57,531 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 33) no Hoare annotation was computed. [2020-12-22 06:58:57,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 06:58:57 BoogieIcfgContainer [2020-12-22 06:58:57,548 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 06:58:57,548 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 06:58:57,548 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 06:58:57,548 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 06:58:57,549 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:58:18" (3/4) ... [2020-12-22 06:58:57,552 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 06:58:57,559 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure fibonacci [2020-12-22 06:58:57,563 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-12-22 06:58:57,564 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-22 06:58:57,564 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:58:57,564 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:58:57,599 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/recursive/Fibonacci02.c-witness.graphml [2020-12-22 06:58:57,599 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 06:58:57,601 INFO L168 Benchmark]: Toolchain (without parser) took 40015.23 ms. Allocated memory was 151.0 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 127.1 MB in the beginning and 567.6 MB in the end (delta: -440.6 MB). Peak memory consumption was 692.8 MB. Max. memory is 8.0 GB. [2020-12-22 06:58:57,601 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 151.0 MB. Free memory is still 122.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 06:58:57,602 INFO L168 Benchmark]: CACSL2BoogieTranslator took 282.74 ms. Allocated memory is still 151.0 MB. Free memory was 126.9 MB in the beginning and 117.6 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2020-12-22 06:58:57,602 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.44 ms. Allocated memory is still 151.0 MB. Free memory was 117.6 MB in the beginning and 116.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:58:57,603 INFO L168 Benchmark]: Boogie Preprocessor took 21.43 ms. Allocated memory is still 151.0 MB. Free memory was 116.3 MB in the beginning and 115.4 MB in the end (delta: 883.6 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 06:58:57,603 INFO L168 Benchmark]: RCFGBuilder took 352.67 ms. Allocated memory is still 151.0 MB. Free memory was 115.3 MB in the beginning and 103.2 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2020-12-22 06:58:57,604 INFO L168 Benchmark]: TraceAbstraction took 39259.23 ms. Allocated memory was 151.0 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 102.8 MB in the beginning and 569.7 MB in the end (delta: -466.9 MB). Peak memory consumption was 666.5 MB. Max. memory is 8.0 GB. [2020-12-22 06:58:57,605 INFO L168 Benchmark]: Witness Printer took 51.24 ms. Allocated memory is still 1.3 GB. Free memory was 569.7 MB in the beginning and 567.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:58:57,608 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 151.0 MB. Free memory is still 122.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 282.74 ms. Allocated memory is still 151.0 MB. Free memory was 126.9 MB in the beginning and 117.6 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 37.44 ms. Allocated memory is still 151.0 MB. Free memory was 117.6 MB in the beginning and 116.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 21.43 ms. Allocated memory is still 151.0 MB. Free memory was 116.3 MB in the beginning and 115.4 MB in the end (delta: 883.6 kB). There was no memory consumed. Max. memory is 8.0 GB. * RCFGBuilder took 352.67 ms. Allocated memory is still 151.0 MB. Free memory was 115.3 MB in the beginning and 103.2 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 39259.23 ms. Allocated memory was 151.0 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 102.8 MB in the beginning and 569.7 MB in the end (delta: -466.9 MB). Peak memory consumption was 666.5 MB. Max. memory is 8.0 GB. * Witness Printer took 51.24 ms. Allocated memory is still 1.3 GB. Free memory was 569.7 MB in the beginning and 567.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 33]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: 9 <= x - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 19 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 37.7s, OverallIterations: 13, TraceHistogramMax: 125, AutomataDifference: 6.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 331 SDtfs, 1278 SDslu, 2220 SDs, 0 SdLazy, 4108 SolverSat, 1446 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5320 GetRequests, 4918 SyntacticMatches, 59 SemanticMatches, 343 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3785 ImplicationChecksByTransitivity, 6.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=362occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 13 MinimizatonAttempts, 244 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 521 PreInvPairs, 676 NumberOfFragments, 127 HoareAnnotationTreeSize, 521 FomulaSimplifications, 893 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 5 FomulaSimplificationsInter, 5166 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 23.7s InterpolantComputationTime, 7441 NumberOfCodeBlocks, 6673 NumberOfCodeBlocksAsserted, 128 NumberOfCheckSat, 7417 ConstructedInterpolants, 0 QuantifiedInterpolants, 9539459 SizeOfPredicates, 66 NumberOfNonLiveVariables, 6655 ConjunctsInSsa, 569 ConjunctsInUnsatCore, 24 InterpolantComputations, 2 PerfectInterpolantSequences, 229414/276594 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...