/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/recursive/Fibonacci02.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-06 22:00:34,552 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-06 22:00:34,555 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-06 22:00:34,590 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-06 22:00:34,591 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-06 22:00:34,593 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-06 22:00:34,594 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-06 22:00:34,597 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-06 22:00:34,599 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-06 22:00:34,600 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-06 22:00:34,601 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-06 22:00:34,603 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2020-11-06 22:00:34,661 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-06 22:00:34,662 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-06 22:00:34,664 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-06 22:00:34,666 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-06 22:00:34,698 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-06 22:00:34,699 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-06 22:00:34,700 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-06 22:00:34,700 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-06 22:00:34,700 INFO L138 SettingsManager]: * Use SBE=true [2020-11-06 22:00:34,701 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-06 22:00:34,701 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-06 22:00:34,701 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-06 22:00:34,701 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-06 22:00:34,701 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-06 22:00:34,702 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-06 22:00:34,702 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-06 22:00:34,702 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-06 22:00:34,702 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-06 22:00:34,702 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-06 22:00:34,703 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-06 22:00:34,703 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-06 22:00:34,703 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-06 22:00:34,703 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-06 22:00:34,703 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-06 22:00:34,704 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-06 22:00:34,704 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-06 22:00:34,704 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-06 22:00:34,704 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-06 22:00:34,704 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-06 22:00:34,705 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-06 22:00:34,705 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-06 22:00:34,705 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-06 22:00:34,705 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-06 22:00:34,705 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-06 22:00:35,057 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-06 22:00:35,085 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-06 22:00:35,088 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-06 22:00:35,090 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-06 22:00:35,091 INFO L275 PluginConnector]: CDTParser initialized [2020-11-06 22:00:35,092 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive/Fibonacci02.c [2020-11-06 22:00:35,165 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d8d3e433/019abfb453f34e82bd86df9c1ba2f78a/FLAG78f6c79c5 [2020-11-06 22:00:35,764 INFO L306 CDTParser]: Found 1 translation units. [2020-11-06 22:00:35,764 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/recursive/Fibonacci02.c [2020-11-06 22:00:35,771 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d8d3e433/019abfb453f34e82bd86df9c1ba2f78a/FLAG78f6c79c5 [2020-11-06 22:00:36,141 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d8d3e433/019abfb453f34e82bd86df9c1ba2f78a [2020-11-06 22:00:36,144 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-06 22:00:36,152 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-06 22:00:36,155 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-06 22:00:36,155 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-06 22:00:36,163 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-06 22:00:36,164 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:00:36" (1/1) ... [2020-11-06 22:00:36,169 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1134bea7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:00:36, skipping insertion in model container [2020-11-06 22:00:36,170 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:00:36" (1/1) ... [2020-11-06 22:00:36,178 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-06 22:00:36,194 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-06 22:00:36,380 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 22:00:36,392 INFO L203 MainTranslator]: Completed pre-run [2020-11-06 22:00:36,412 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 22:00:36,427 INFO L208 MainTranslator]: Completed translation [2020-11-06 22:00:36,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:00:36 WrapperNode [2020-11-06 22:00:36,428 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-06 22:00:36,429 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-06 22:00:36,429 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-06 22:00:36,430 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-06 22:00:36,443 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:00:36" (1/1) ... [2020-11-06 22:00:36,443 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:00:36" (1/1) ... [2020-11-06 22:00:36,451 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:00:36" (1/1) ... [2020-11-06 22:00:36,451 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:00:36" (1/1) ... [2020-11-06 22:00:36,457 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:00:36" (1/1) ... [2020-11-06 22:00:36,459 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:00:36" (1/1) ... [2020-11-06 22:00:36,460 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:00:36" (1/1) ... [2020-11-06 22:00:36,462 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-06 22:00:36,463 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-06 22:00:36,463 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-06 22:00:36,464 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-06 22:00:36,464 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:00:36" (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 [2020-11-06 22:00:36,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-06 22:00:36,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-06 22:00:36,592 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-06 22:00:36,592 INFO L138 BoogieDeclarations]: Found implementation of procedure fibonacci [2020-11-06 22:00:36,592 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-06 22:00:36,593 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-06 22:00:36,593 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-06 22:00:36,593 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-06 22:00:36,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-06 22:00:36,593 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-06 22:00:36,593 INFO L130 BoogieDeclarations]: Found specification of procedure fibonacci [2020-11-06 22:00:36,594 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-06 22:00:36,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-06 22:00:36,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-06 22:00:36,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-06 22:00:36,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-06 22:00:36,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-06 22:00:36,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-06 22:00:36,850 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-06 22:00:36,850 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-11-06 22:00:36,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:00:36 BoogieIcfgContainer [2020-11-06 22:00:36,853 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-06 22:00:36,855 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-06 22:00:36,855 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-06 22:00:36,859 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-06 22:00:36,859 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:00:36" (1/3) ... [2020-11-06 22:00:36,860 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35be37ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:00:36, skipping insertion in model container [2020-11-06 22:00:36,860 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:00:36" (2/3) ... [2020-11-06 22:00:36,861 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35be37ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:00:36, skipping insertion in model container [2020-11-06 22:00:36,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:00:36" (3/3) ... [2020-11-06 22:00:36,863 INFO L111 eAbstractionObserver]: Analyzing ICFG Fibonacci02.c [2020-11-06 22:00:36,879 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-06 22:00:36,885 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-06 22:00:36,901 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-06 22:00:36,933 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-06 22:00:36,934 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-06 22:00:36,934 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-06 22:00:36,934 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-06 22:00:36,935 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-06 22:00:36,935 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-06 22:00:36,935 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-06 22:00:36,936 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-06 22:00:36,971 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2020-11-06 22:00:36,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-06 22:00:36,986 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:00:36,987 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:00:36,987 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:00:37,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:00:37,006 INFO L82 PathProgramCache]: Analyzing trace with hash 2107265492, now seen corresponding path program 1 times [2020-11-06 22:00:37,028 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:00:37,029 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814569713] [2020-11-06 22:00:37,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:00:37,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:37,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:00:37,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:37,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 22:00:37,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:37,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:00:37,378 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814569713] [2020-11-06 22:00:37,379 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:00:37,379 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-06 22:00:37,380 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900733068] [2020-11-06 22:00:37,385 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-06 22:00:37,385 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:00:37,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-06 22:00:37,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-06 22:00:37,411 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 6 states. [2020-11-06 22:00:37,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:00:37,791 INFO L93 Difference]: Finished difference Result 39 states and 46 transitions. [2020-11-06 22:00:37,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-06 22:00:37,794 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2020-11-06 22:00:37,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:00:37,804 INFO L225 Difference]: With dead ends: 39 [2020-11-06 22:00:37,804 INFO L226 Difference]: Without dead ends: 23 [2020-11-06 22:00:37,808 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-11-06 22:00:37,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2020-11-06 22:00:37,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2020-11-06 22:00:37,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-11-06 22:00:37,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2020-11-06 22:00:37,869 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 15 [2020-11-06 22:00:37,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:00:37,869 INFO L481 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2020-11-06 22:00:37,869 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-06 22:00:37,870 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2020-11-06 22:00:37,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-06 22:00:37,871 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:00:37,872 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:00:37,872 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-06 22:00:37,872 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:00:37,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:00:37,874 INFO L82 PathProgramCache]: Analyzing trace with hash 1001048603, now seen corresponding path program 1 times [2020-11-06 22:00:37,874 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:00:37,874 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226861197] [2020-11-06 22:00:37,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:00:37,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:37,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:00:37,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:37,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 22:00:37,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:37,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:00:37,991 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226861197] [2020-11-06 22:00:37,991 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:00:37,991 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-06 22:00:37,992 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089763996] [2020-11-06 22:00:37,993 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-06 22:00:37,993 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:00:37,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-06 22:00:37,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-06 22:00:37,995 INFO L87 Difference]: Start difference. First operand 23 states and 27 transitions. Second operand 6 states. [2020-11-06 22:00:38,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:00:38,205 INFO L93 Difference]: Finished difference Result 30 states and 35 transitions. [2020-11-06 22:00:38,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-06 22:00:38,206 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2020-11-06 22:00:38,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:00:38,208 INFO L225 Difference]: With dead ends: 30 [2020-11-06 22:00:38,208 INFO L226 Difference]: Without dead ends: 25 [2020-11-06 22:00:38,209 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-11-06 22:00:38,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2020-11-06 22:00:38,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 23. [2020-11-06 22:00:38,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-11-06 22:00:38,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2020-11-06 22:00:38,222 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 16 [2020-11-06 22:00:38,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:00:38,223 INFO L481 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2020-11-06 22:00:38,223 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-06 22:00:38,223 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2020-11-06 22:00:38,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-06 22:00:38,225 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:00:38,226 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:00:38,226 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-06 22:00:38,226 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:00:38,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:00:38,227 INFO L82 PathProgramCache]: Analyzing trace with hash -768223736, now seen corresponding path program 1 times [2020-11-06 22:00:38,229 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:00:38,229 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693559095] [2020-11-06 22:00:38,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:00:38,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:38,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:00:38,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:38,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 22:00:38,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:38,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:38,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:38,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 22:00:38,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:38,435 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-06 22:00:38,435 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693559095] [2020-11-06 22:00:38,436 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1758096086] [2020-11-06 22:00:38,436 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 [2020-11-06 22:00:38,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:38,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-06 22:00:38,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:00:38,619 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-06 22:00:38,619 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-06 22:00:38,619 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 10 [2020-11-06 22:00:38,620 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379126086] [2020-11-06 22:00:38,620 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-06 22:00:38,621 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:00:38,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-06 22:00:38,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-11-06 22:00:38,622 INFO L87 Difference]: Start difference. First operand 23 states and 27 transitions. Second operand 10 states. [2020-11-06 22:00:39,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:00:39,002 INFO L93 Difference]: Finished difference Result 41 states and 52 transitions. [2020-11-06 22:00:39,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-06 22:00:39,003 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 28 [2020-11-06 22:00:39,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:00:39,004 INFO L225 Difference]: With dead ends: 41 [2020-11-06 22:00:39,004 INFO L226 Difference]: Without dead ends: 25 [2020-11-06 22:00:39,005 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2020-11-06 22:00:39,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2020-11-06 22:00:39,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2020-11-06 22:00:39,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2020-11-06 22:00:39,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2020-11-06 22:00:39,013 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 29 transitions. Word has length 28 [2020-11-06 22:00:39,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:00:39,014 INFO L481 AbstractCegarLoop]: Abstraction has 25 states and 29 transitions. [2020-11-06 22:00:39,014 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-06 22:00:39,014 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2020-11-06 22:00:39,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-06 22:00:39,015 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:00:39,015 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:00:39,228 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-11-06 22:00:39,229 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:00:39,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:00:39,230 INFO L82 PathProgramCache]: Analyzing trace with hash 1973821333, now seen corresponding path program 1 times [2020-11-06 22:00:39,231 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:00:39,231 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573533437] [2020-11-06 22:00:39,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:00:39,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:39,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:00:39,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:39,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 22:00:39,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:39,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:39,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:39,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:00:39,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:39,356 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-06 22:00:39,356 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573533437] [2020-11-06 22:00:39,356 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [284046959] [2020-11-06 22:00:39,357 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 [2020-11-06 22:00:39,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:39,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-06 22:00:39,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:00:39,451 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-06 22:00:39,452 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-06 22:00:39,452 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 8 [2020-11-06 22:00:39,452 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249205658] [2020-11-06 22:00:39,453 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-06 22:00:39,453 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:00:39,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-06 22:00:39,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-11-06 22:00:39,454 INFO L87 Difference]: Start difference. First operand 25 states and 29 transitions. Second operand 8 states. [2020-11-06 22:00:39,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:00:39,802 INFO L93 Difference]: Finished difference Result 44 states and 58 transitions. [2020-11-06 22:00:39,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-06 22:00:39,803 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 29 [2020-11-06 22:00:39,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:00:39,805 INFO L225 Difference]: With dead ends: 44 [2020-11-06 22:00:39,805 INFO L226 Difference]: Without dead ends: 39 [2020-11-06 22:00:39,806 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-11-06 22:00:39,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2020-11-06 22:00:39,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2020-11-06 22:00:39,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-11-06 22:00:39,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 53 transitions. [2020-11-06 22:00:39,818 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 53 transitions. Word has length 29 [2020-11-06 22:00:39,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:00:39,819 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 53 transitions. [2020-11-06 22:00:39,819 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-06 22:00:39,819 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 53 transitions. [2020-11-06 22:00:39,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-06 22:00:39,821 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:00:39,821 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:00:40,034 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:00:40,035 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:00:40,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:00:40,036 INFO L82 PathProgramCache]: Analyzing trace with hash 1902544615, now seen corresponding path program 2 times [2020-11-06 22:00:40,037 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:00:40,037 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404756067] [2020-11-06 22:00:40,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:00:40,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:40,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:00:40,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:40,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 22:00:40,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:40,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:40,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:40,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:40,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:40,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:00:40,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:40,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-11-06 22:00:40,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:40,204 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-11-06 22:00:40,204 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404756067] [2020-11-06 22:00:40,204 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [467660018] [2020-11-06 22:00:40,205 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 [2020-11-06 22:00:40,266 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-11-06 22:00:40,266 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-06 22:00:40,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-06 22:00:40,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:00:40,374 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-11-06 22:00:40,374 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-06 22:00:40,374 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 13 [2020-11-06 22:00:40,375 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808278535] [2020-11-06 22:00:40,375 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-11-06 22:00:40,375 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:00:40,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-11-06 22:00:40,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2020-11-06 22:00:40,377 INFO L87 Difference]: Start difference. First operand 39 states and 53 transitions. Second operand 13 states. [2020-11-06 22:00:41,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:00:41,428 INFO L93 Difference]: Finished difference Result 75 states and 112 transitions. [2020-11-06 22:00:41,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-11-06 22:00:41,429 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 42 [2020-11-06 22:00:41,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:00:41,434 INFO L225 Difference]: With dead ends: 75 [2020-11-06 22:00:41,434 INFO L226 Difference]: Without dead ends: 43 [2020-11-06 22:00:41,436 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=151, Invalid=499, Unknown=0, NotChecked=0, Total=650 [2020-11-06 22:00:41,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-11-06 22:00:41,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2020-11-06 22:00:41,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-11-06 22:00:41,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 51 transitions. [2020-11-06 22:00:41,454 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 51 transitions. Word has length 42 [2020-11-06 22:00:41,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:00:41,454 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 51 transitions. [2020-11-06 22:00:41,455 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-11-06 22:00:41,455 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 51 transitions. [2020-11-06 22:00:41,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-11-06 22:00:41,464 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:00:41,464 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 11, 6, 6, 6, 6, 6, 6, 6, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:00:41,673 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:00:41,674 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:00:41,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:00:41,675 INFO L82 PathProgramCache]: Analyzing trace with hash 938305601, now seen corresponding path program 3 times [2020-11-06 22:00:41,675 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:00:41,676 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144211673] [2020-11-06 22:00:41,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:00:41,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:41,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:00:41,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:41,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 22:00:41,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:41,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:41,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:41,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:41,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:41,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:41,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:41,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:00:41,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:41,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-11-06 22:00:41,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:41,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-11-06 22:00:42,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:42,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:42,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:42,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:42,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:42,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:42,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:42,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:00:42,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:42,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-11-06 22:00:42,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:42,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-11-06 22:00:42,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:42,067 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 27 proven. 166 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2020-11-06 22:00:42,068 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144211673] [2020-11-06 22:00:42,068 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1166985507] [2020-11-06 22:00:42,068 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 [2020-11-06 22:00:42,154 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2020-11-06 22:00:42,154 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-06 22:00:42,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-06 22:00:42,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:00:42,308 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 174 proven. 17 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2020-11-06 22:00:42,308 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-06 22:00:42,309 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 14 [2020-11-06 22:00:42,310 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230315784] [2020-11-06 22:00:42,311 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-11-06 22:00:42,311 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:00:42,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-11-06 22:00:42,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2020-11-06 22:00:42,314 INFO L87 Difference]: Start difference. First operand 43 states and 51 transitions. Second operand 14 states. [2020-11-06 22:00:43,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:00:43,443 INFO L93 Difference]: Finished difference Result 95 states and 139 transitions. [2020-11-06 22:00:43,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-11-06 22:00:43,446 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 98 [2020-11-06 22:00:43,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:00:43,450 INFO L225 Difference]: With dead ends: 95 [2020-11-06 22:00:43,450 INFO L226 Difference]: Without dead ends: 58 [2020-11-06 22:00:43,452 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=206, Invalid=664, Unknown=0, NotChecked=0, Total=870 [2020-11-06 22:00:43,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2020-11-06 22:00:43,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 55. [2020-11-06 22:00:43,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-11-06 22:00:43,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 68 transitions. [2020-11-06 22:00:43,467 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 68 transitions. Word has length 98 [2020-11-06 22:00:43,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:00:43,467 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 68 transitions. [2020-11-06 22:00:43,467 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-11-06 22:00:43,467 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 68 transitions. [2020-11-06 22:00:43,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-11-06 22:00:43,470 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:00:43,470 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 12, 7, 7, 7, 7, 7, 7, 7, 5, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:00:43,684 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:00:43,685 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:00:43,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:00:43,686 INFO L82 PathProgramCache]: Analyzing trace with hash -667659703, now seen corresponding path program 4 times [2020-11-06 22:00:43,686 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:00:43,687 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220041000] [2020-11-06 22:00:43,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:00:43,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:43,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:00:43,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:43,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 22:00:43,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:43,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:43,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:43,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:43,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:43,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:43,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:43,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:43,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:43,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:00:43,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:43,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-11-06 22:00:43,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:43,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-11-06 22:00:43,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:43,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:43,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:44,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:00:44,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:44,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-11-06 22:00:44,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:44,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:44,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:44,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:44,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:44,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:00:44,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:44,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-11-06 22:00:44,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:44,054 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 42 proven. 229 refuted. 0 times theorem prover too weak. 299 trivial. 0 not checked. [2020-11-06 22:00:44,054 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220041000] [2020-11-06 22:00:44,054 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1188537826] [2020-11-06 22:00:44,054 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 [2020-11-06 22:00:44,127 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-11-06 22:00:44,127 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-06 22:00:44,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 12 conjunts are in the unsatisfiable core [2020-11-06 22:00:44,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:00:44,216 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 42 proven. 229 refuted. 0 times theorem prover too weak. 299 trivial. 0 not checked. [2020-11-06 22:00:44,217 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-06 22:00:44,217 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 11 [2020-11-06 22:00:44,217 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650702876] [2020-11-06 22:00:44,218 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-06 22:00:44,218 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:00:44,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-06 22:00:44,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-11-06 22:00:44,219 INFO L87 Difference]: Start difference. First operand 55 states and 68 transitions. Second operand 11 states. [2020-11-06 22:00:44,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:00:44,957 INFO L93 Difference]: Finished difference Result 128 states and 178 transitions. [2020-11-06 22:00:44,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-06 22:00:44,960 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 111 [2020-11-06 22:00:44,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:00:44,967 INFO L225 Difference]: With dead ends: 128 [2020-11-06 22:00:44,967 INFO L226 Difference]: Without dead ends: 123 [2020-11-06 22:00:44,971 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2020-11-06 22:00:44,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-11-06 22:00:45,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 114. [2020-11-06 22:00:45,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-11-06 22:00:45,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 159 transitions. [2020-11-06 22:00:45,024 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 159 transitions. Word has length 111 [2020-11-06 22:00:45,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:00:45,025 INFO L481 AbstractCegarLoop]: Abstraction has 114 states and 159 transitions. [2020-11-06 22:00:45,025 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-06 22:00:45,025 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 159 transitions. [2020-11-06 22:00:45,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-11-06 22:00:45,041 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:00:45,041 INFO L422 BasicCegarLoop]: trace histogram [29, 29, 23, 14, 14, 14, 14, 14, 14, 14, 9, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:00:45,242 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2020-11-06 22:00:45,243 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:00:45,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:00:45,244 INFO L82 PathProgramCache]: Analyzing trace with hash -192472089, now seen corresponding path program 5 times [2020-11-06 22:00:45,244 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:00:45,245 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725305737] [2020-11-06 22:00:45,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:00:45,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:45,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:00:45,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:45,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 22:00:45,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:45,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:45,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:45,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:45,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:45,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:45,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:45,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:45,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:45,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:45,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:45,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:00:45,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:45,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-11-06 22:00:45,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:45,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-11-06 22:00:45,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:45,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:45,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:45,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:00:45,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:45,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-11-06 22:00:45,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:45,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:45,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:45,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:45,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:45,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:00:45,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:45,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-11-06 22:00:45,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:45,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-06 22:00:45,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:45,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:45,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:45,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:45,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:45,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:45,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:45,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:45,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:45,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:00:45,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:45,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-11-06 22:00:45,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:45,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-11-06 22:00:45,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:45,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:45,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:45,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:00:45,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:45,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-11-06 22:00:45,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:45,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:45,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:45,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:00:45,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:46,126 INFO L134 CoverageAnalysis]: Checked inductivity of 2241 backedges. 422 proven. 660 refuted. 0 times theorem prover too weak. 1159 trivial. 0 not checked. [2020-11-06 22:00:46,127 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725305737] [2020-11-06 22:00:46,127 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1795787099] [2020-11-06 22:00:46,127 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 [2020-11-06 22:00:46,242 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 21 check-sat command(s) [2020-11-06 22:00:46,243 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-06 22:00:46,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 20 conjunts are in the unsatisfiable core [2020-11-06 22:00:46,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:00:46,494 INFO L134 CoverageAnalysis]: Checked inductivity of 2241 backedges. 620 proven. 476 refuted. 0 times theorem prover too weak. 1145 trivial. 0 not checked. [2020-11-06 22:00:46,494 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-06 22:00:46,495 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 14] total 20 [2020-11-06 22:00:46,495 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662462576] [2020-11-06 22:00:46,496 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-11-06 22:00:46,496 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:00:46,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-11-06 22:00:46,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=312, Unknown=0, NotChecked=0, Total=380 [2020-11-06 22:00:46,497 INFO L87 Difference]: Start difference. First operand 114 states and 159 transitions. Second operand 20 states. [2020-11-06 22:00:48,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:00:48,910 INFO L93 Difference]: Finished difference Result 205 states and 345 transitions. [2020-11-06 22:00:48,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-11-06 22:00:48,912 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 206 [2020-11-06 22:00:48,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:00:48,915 INFO L225 Difference]: With dead ends: 205 [2020-11-06 22:00:48,915 INFO L226 Difference]: Without dead ends: 102 [2020-11-06 22:00:48,924 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 262 SyntacticMatches, 1 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 512 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=471, Invalid=1785, Unknown=0, NotChecked=0, Total=2256 [2020-11-06 22:00:48,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2020-11-06 22:00:48,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 89. [2020-11-06 22:00:48,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2020-11-06 22:00:48,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 118 transitions. [2020-11-06 22:00:48,943 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 118 transitions. Word has length 206 [2020-11-06 22:00:48,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:00:48,943 INFO L481 AbstractCegarLoop]: Abstraction has 89 states and 118 transitions. [2020-11-06 22:00:48,943 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-11-06 22:00:48,943 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 118 transitions. [2020-11-06 22:00:48,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2020-11-06 22:00:48,952 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:00:48,953 INFO L422 BasicCegarLoop]: trace histogram [41, 41, 33, 20, 20, 20, 20, 20, 20, 20, 13, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:00:49,153 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:00:49,154 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:00:49,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:00:49,155 INFO L82 PathProgramCache]: Analyzing trace with hash 816815899, now seen corresponding path program 6 times [2020-11-06 22:00:49,155 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:00:49,155 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526910879] [2020-11-06 22:00:49,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:00:49,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:49,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:00:49,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:49,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 22:00:49,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:49,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:49,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:49,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:49,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:49,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:49,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:49,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:49,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:49,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:49,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:49,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:49,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:49,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:00:49,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:49,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-11-06 22:00:49,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:49,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-11-06 22:00:49,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:49,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:49,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:49,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:00:49,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:49,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-11-06 22:00:49,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:49,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:49,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:49,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:49,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:49,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:00:49,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:49,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-11-06 22:00:49,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:49,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-06 22:00:49,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:49,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:49,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:49,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:49,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:49,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:49,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:49,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:00:49,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:49,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-11-06 22:00:49,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:49,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-11-06 22:00:49,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:49,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:49,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:49,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:00:49,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:49,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-11-06 22:00:49,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:49,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:49,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:49,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:49,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:49,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:49,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:49,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:49,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:49,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:00:49,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:49,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-11-06 22:00:49,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:49,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-11-06 22:00:49,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:49,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:49,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:49,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:00:49,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:49,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-11-06 22:00:49,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:49,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:49,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:49,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:49,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:49,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:00:49,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:49,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-11-06 22:00:49,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:50,005 INFO L134 CoverageAnalysis]: Checked inductivity of 4568 backedges. 189 proven. 1130 refuted. 0 times theorem prover too weak. 3249 trivial. 0 not checked. [2020-11-06 22:00:50,005 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526910879] [2020-11-06 22:00:50,006 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1896702752] [2020-11-06 22:00:50,006 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 [2020-11-06 22:00:50,123 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 20 check-sat command(s) [2020-11-06 22:00:50,123 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-06 22:00:50,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 14 conjunts are in the unsatisfiable core [2020-11-06 22:00:50,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:00:50,276 INFO L134 CoverageAnalysis]: Checked inductivity of 4568 backedges. 331 proven. 821 refuted. 0 times theorem prover too weak. 3416 trivial. 0 not checked. [2020-11-06 22:00:50,276 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-06 22:00:50,277 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10] total 13 [2020-11-06 22:00:50,279 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540334746] [2020-11-06 22:00:50,281 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-11-06 22:00:50,281 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:00:50,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-11-06 22:00:50,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2020-11-06 22:00:50,282 INFO L87 Difference]: Start difference. First operand 89 states and 118 transitions. Second operand 13 states. [2020-11-06 22:00:51,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:00:51,298 INFO L93 Difference]: Finished difference Result 272 states and 404 transitions. [2020-11-06 22:00:51,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-11-06 22:00:51,299 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 288 [2020-11-06 22:00:51,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:00:51,310 INFO L225 Difference]: With dead ends: 272 [2020-11-06 22:00:51,310 INFO L226 Difference]: Without dead ends: 267 [2020-11-06 22:00:51,312 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 395 GetRequests, 370 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=210, Invalid=492, Unknown=0, NotChecked=0, Total=702 [2020-11-06 22:00:51,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2020-11-06 22:00:51,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 252. [2020-11-06 22:00:51,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 252 states. [2020-11-06 22:00:51,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 373 transitions. [2020-11-06 22:00:51,401 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 373 transitions. Word has length 288 [2020-11-06 22:00:51,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:00:51,404 INFO L481 AbstractCegarLoop]: Abstraction has 252 states and 373 transitions. [2020-11-06 22:00:51,404 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-11-06 22:00:51,404 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 373 transitions. [2020-11-06 22:00:51,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 466 [2020-11-06 22:00:51,414 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:00:51,414 INFO L422 BasicCegarLoop]: trace histogram [67, 67, 54, 33, 33, 33, 33, 33, 33, 33, 21, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:00:51,629 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:00:51,630 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:00:51,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:00:51,631 INFO L82 PathProgramCache]: Analyzing trace with hash -2114856643, now seen corresponding path program 7 times [2020-11-06 22:00:51,631 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:00:51,632 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410810386] [2020-11-06 22:00:51,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:00:51,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:51,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:00:51,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:51,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 22:00:51,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:52,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:52,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:52,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:52,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:52,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:52,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:52,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:52,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:52,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:52,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:52,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:52,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:52,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:52,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:52,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:00:52,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:52,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-11-06 22:00:52,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:52,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-11-06 22:00:52,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:52,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:52,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:52,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:00:52,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:52,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-11-06 22:00:52,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:52,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:52,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:52,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:52,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:52,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:00:52,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:52,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-11-06 22:00:52,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:52,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-06 22:00:52,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:52,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:52,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:52,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:52,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:52,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:52,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:52,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:00:52,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:52,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-11-06 22:00:52,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:52,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-11-06 22:00:52,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:52,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:52,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:52,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:00:52,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:52,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-11-06 22:00:52,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:52,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:52,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:52,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:52,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:52,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:52,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:52,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:52,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:52,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:00:52,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:52,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-11-06 22:00:52,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:52,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-11-06 22:00:52,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:52,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:52,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:52,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:00:52,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:52,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-11-06 22:00:52,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:52,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:52,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:52,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:52,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:52,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:00:52,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:52,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-11-06 22:00:52,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:52,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-11-06 22:00:52,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:52,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:52,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:52,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:52,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:52,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:52,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:52,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:52,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:52,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:52,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:52,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:00:52,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:52,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-11-06 22:00:52,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:52,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-11-06 22:00:52,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:52,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:52,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:52,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:00:52,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:52,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-11-06 22:00:52,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:52,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:52,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:52,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:52,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:52,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:00:52,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:52,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-11-06 22:00:52,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:52,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-06 22:00:52,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:52,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:52,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:52,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:52,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:52,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:52,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:52,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:00:52,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:52,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-11-06 22:00:52,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:52,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-11-06 22:00:52,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:52,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:52,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:52,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:00:52,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:53,002 INFO L134 CoverageAnalysis]: Checked inductivity of 12387 backedges. 361 proven. 2270 refuted. 0 times theorem prover too weak. 9756 trivial. 0 not checked. [2020-11-06 22:00:53,003 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410810386] [2020-11-06 22:00:53,003 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [674679321] [2020-11-06 22:00:53,003 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 [2020-11-06 22:00:53,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:53,193 INFO L263 TraceCheckSpWp]: Trace formula consists of 1095 conjuncts, 18 conjunts are in the unsatisfiable core [2020-11-06 22:00:53,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:00:53,487 INFO L134 CoverageAnalysis]: Checked inductivity of 12387 backedges. 361 proven. 2270 refuted. 0 times theorem prover too weak. 9756 trivial. 0 not checked. [2020-11-06 22:00:53,488 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-06 22:00:53,488 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 14 [2020-11-06 22:00:53,488 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442770951] [2020-11-06 22:00:53,489 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-11-06 22:00:53,489 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:00:53,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-11-06 22:00:53,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-11-06 22:00:53,491 INFO L87 Difference]: Start difference. First operand 252 states and 373 transitions. Second operand 14 states. [2020-11-06 22:00:54,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:00:54,705 INFO L93 Difference]: Finished difference Result 676 states and 1086 transitions. [2020-11-06 22:00:54,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-11-06 22:00:54,706 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 465 [2020-11-06 22:00:54,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:00:54,717 INFO L225 Difference]: With dead ends: 676 [2020-11-06 22:00:54,718 INFO L226 Difference]: Without dead ends: 671 [2020-11-06 22:00:54,719 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 627 GetRequests, 599 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 164 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=262, Invalid=608, Unknown=0, NotChecked=0, Total=870 [2020-11-06 22:00:54,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 671 states. [2020-11-06 22:00:54,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 671 to 653. [2020-11-06 22:00:54,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 653 states. [2020-11-06 22:00:54,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 653 states and 1050 transitions. [2020-11-06 22:00:54,828 INFO L78 Accepts]: Start accepts. Automaton has 653 states and 1050 transitions. Word has length 465 [2020-11-06 22:00:54,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:00:54,829 INFO L481 AbstractCegarLoop]: Abstraction has 653 states and 1050 transitions. [2020-11-06 22:00:54,830 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-11-06 22:00:54,830 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 1050 transitions. [2020-11-06 22:00:54,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 752 [2020-11-06 22:00:54,858 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:00:54,858 INFO L422 BasicCegarLoop]: trace histogram [109, 109, 88, 54, 54, 54, 54, 54, 54, 54, 34, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:00:55,073 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-11-06 22:00:55,074 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:00:55,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:00:55,075 INFO L82 PathProgramCache]: Analyzing trace with hash -990511436, now seen corresponding path program 8 times [2020-11-06 22:00:55,076 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:00:55,076 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170862499] [2020-11-06 22:00:55,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:00:55,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:55,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:00:55,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:55,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 22:00:56,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:56,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:56,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:56,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:56,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:56,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:56,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:57,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:57,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:57,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:57,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:57,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:57,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:57,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:57,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:57,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:57,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:57,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:00:57,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:57,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-11-06 22:00:57,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:57,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-11-06 22:00:57,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:57,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:57,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:57,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:00:57,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:57,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-11-06 22:00:57,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:57,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:57,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:57,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:57,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:57,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:00:57,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:57,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-11-06 22:00:57,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:57,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-06 22:00:57,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:57,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:57,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:57,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:57,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:57,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:57,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:57,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:00:57,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:57,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-11-06 22:00:57,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:57,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-11-06 22:00:57,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:57,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:57,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:57,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:00:57,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:57,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-11-06 22:00:57,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:57,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:57,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:57,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:57,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:57,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:57,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:57,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:57,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:57,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:00:57,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:57,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-11-06 22:00:57,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:57,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-11-06 22:00:57,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:57,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:57,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:57,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:00:57,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:57,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-11-06 22:00:57,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:58,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:58,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:58,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:58,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:58,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:00:58,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:58,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-11-06 22:00:58,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:58,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-11-06 22:00:58,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:58,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:58,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:58,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:58,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:58,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:58,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:58,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:58,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:58,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:58,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:58,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:00:58,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:58,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-11-06 22:00:58,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:58,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-11-06 22:00:58,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:58,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:58,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:58,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:00:58,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:58,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-11-06 22:00:58,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:58,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:58,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:58,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:58,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:58,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:00:58,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:58,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-11-06 22:00:58,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:58,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-06 22:00:58,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:58,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:58,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:58,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:58,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:58,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:58,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:58,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:00:58,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:58,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-11-06 22:00:58,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:58,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-11-06 22:00:58,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:58,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:58,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:58,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:00:58,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:58,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-11-06 22:00:58,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:58,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:59,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:59,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:59,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:59,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:59,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:59,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:59,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:59,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:59,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:59,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:59,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:59,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:00:59,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:59,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-11-06 22:00:59,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:59,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-11-06 22:00:59,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:59,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:59,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:59,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:00:59,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:59,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-11-06 22:00:59,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:59,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:59,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:59,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:59,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:59,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:00:59,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:59,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-11-06 22:00:59,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:59,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-06 22:00:59,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:59,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:59,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:59,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:59,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:59,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:59,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:59,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:00:59,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:59,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-11-06 22:00:59,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:59,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-11-06 22:00:59,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:59,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:59,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:59,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:00:59,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:59,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-11-06 22:00:59,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:59,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:59,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:59,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:59,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:59,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:59,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:59,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:59,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:59,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:00:59,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:59,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-11-06 22:00:59,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:59,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-11-06 22:00:59,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:59,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:59,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:59,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:00:59,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:59,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-11-06 22:00:59,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:59,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:59,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:59,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:00:59,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:59,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:00:59,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:00:59,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-11-06 22:00:59,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:00,965 INFO L134 CoverageAnalysis]: Checked inductivity of 33096 backedges. 0 proven. 10899 refuted. 0 times theorem prover too weak. 22197 trivial. 0 not checked. [2020-11-06 22:01:00,966 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170862499] [2020-11-06 22:01:00,966 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1782173480] [2020-11-06 22:01:00,966 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 [2020-11-06 22:01:01,282 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-11-06 22:01:01,282 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-06 22:01:01,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 1730 conjuncts, 439 conjunts are in the unsatisfiable core [2020-11-06 22:01:01,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:01:05,036 INFO L134 CoverageAnalysis]: Checked inductivity of 33096 backedges. 0 proven. 10899 refuted. 0 times theorem prover too weak. 22197 trivial. 0 not checked. [2020-11-06 22:01:05,036 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-06 22:01:05,036 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 28] total 37 [2020-11-06 22:01:05,037 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623899549] [2020-11-06 22:01:05,038 INFO L461 AbstractCegarLoop]: Interpolant automaton has 37 states [2020-11-06 22:01:05,038 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:01:05,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2020-11-06 22:01:05,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=1245, Unknown=0, NotChecked=0, Total=1332 [2020-11-06 22:01:05,039 INFO L87 Difference]: Start difference. First operand 653 states and 1050 transitions. Second operand 37 states. [2020-11-06 22:01:09,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:01:09,173 INFO L93 Difference]: Finished difference Result 1336 states and 2622 transitions. [2020-11-06 22:01:09,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-11-06 22:01:09,174 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 751 [2020-11-06 22:01:09,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:01:09,201 INFO L225 Difference]: With dead ends: 1336 [2020-11-06 22:01:09,201 INFO L226 Difference]: Without dead ends: 1331 [2020-11-06 22:01:09,206 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1219 GetRequests, 1101 SyntacticMatches, 55 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 911 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=227, Invalid=3933, Unknown=0, NotChecked=0, Total=4160 [2020-11-06 22:01:09,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1331 states. [2020-11-06 22:01:09,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1331 to 673. [2020-11-06 22:01:09,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 673 states. [2020-11-06 22:01:09,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 1110 transitions. [2020-11-06 22:01:09,384 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 1110 transitions. Word has length 751 [2020-11-06 22:01:09,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:01:09,385 INFO L481 AbstractCegarLoop]: Abstraction has 673 states and 1110 transitions. [2020-11-06 22:01:09,385 INFO L482 AbstractCegarLoop]: Interpolant automaton has 37 states. [2020-11-06 22:01:09,385 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 1110 transitions. [2020-11-06 22:01:09,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 793 [2020-11-06 22:01:09,395 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:01:09,396 INFO L422 BasicCegarLoop]: trace histogram [115, 115, 93, 57, 57, 57, 57, 57, 57, 57, 36, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:01:09,608 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:01:09,609 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:01:09,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:01:09,610 INFO L82 PathProgramCache]: Analyzing trace with hash 621838306, now seen corresponding path program 9 times [2020-11-06 22:01:09,610 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:01:09,610 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647594261] [2020-11-06 22:01:09,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:01:09,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:10,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:01:10,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:10,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 22:01:10,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:10,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:10,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:10,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:10,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:10,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:10,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:10,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:10,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:10,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:10,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:10,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:10,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:10,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:10,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:10,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:10,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:10,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:01:10,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:10,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-11-06 22:01:10,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:10,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-11-06 22:01:10,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:10,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:10,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:10,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:01:10,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:10,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-11-06 22:01:10,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:10,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:10,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:10,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:10,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:10,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:01:10,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:10,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-11-06 22:01:10,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:10,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-06 22:01:10,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:10,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:10,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:10,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:10,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:10,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:10,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:10,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:01:10,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:10,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-11-06 22:01:10,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:10,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-11-06 22:01:10,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:10,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:10,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:10,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:01:10,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:10,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-11-06 22:01:10,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:10,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:10,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:10,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:10,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:10,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:10,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:10,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:10,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:11,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:01:11,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:11,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-11-06 22:01:11,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:11,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-11-06 22:01:11,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:11,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:11,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:11,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:01:11,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:11,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-11-06 22:01:11,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:11,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:11,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:11,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:11,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:11,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:01:11,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:11,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-11-06 22:01:11,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:11,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-11-06 22:01:11,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:11,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:11,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:11,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:11,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:11,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:11,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:11,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:11,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:11,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:11,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:11,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:01:11,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:11,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-11-06 22:01:11,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:11,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-11-06 22:01:11,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:11,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:11,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:11,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:01:11,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:11,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-11-06 22:01:11,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:11,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:11,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:11,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:11,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:11,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:01:11,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:11,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-11-06 22:01:11,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:11,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-06 22:01:11,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:11,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:11,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:11,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:11,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:11,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:11,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:11,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:01:11,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:11,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-11-06 22:01:11,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:11,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-11-06 22:01:11,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:11,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:11,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:11,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:01:11,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:11,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-11-06 22:01:11,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:11,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:11,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:11,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:11,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:11,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:11,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:11,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:11,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:11,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:11,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:11,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:11,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:11,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:11,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:11,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:01:11,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:11,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-11-06 22:01:11,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:11,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-11-06 22:01:11,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:11,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:11,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:11,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:01:11,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:11,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-11-06 22:01:11,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:11,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:11,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:11,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:11,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:11,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:01:11,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:11,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-11-06 22:01:11,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:11,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-06 22:01:11,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:11,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:11,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:11,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:11,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:11,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:01:11,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:11,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-11-06 22:01:11,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:11,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-11-06 22:01:11,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:11,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:11,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:11,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:11,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:11,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:11,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:11,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:01:11,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:11,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-11-06 22:01:11,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:11,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-11-06 22:01:11,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:11,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:11,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:11,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:01:11,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:11,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2020-11-06 22:01:11,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:11,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:11,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:11,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:11,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:11,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:11,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:11,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:11,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:11,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:01:11,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:11,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-11-06 22:01:11,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:11,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-11-06 22:01:11,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:11,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:11,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:11,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:01:11,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:11,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-11-06 22:01:11,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:11,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:11,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:11,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:11,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:11,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:01:11,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:11,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-11-06 22:01:11,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:13,260 INFO L134 CoverageAnalysis]: Checked inductivity of 36882 backedges. 4260 proven. 5414 refuted. 0 times theorem prover too weak. 27208 trivial. 0 not checked. [2020-11-06 22:01:13,261 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647594261] [2020-11-06 22:01:13,261 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [875874104] [2020-11-06 22:01:13,261 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 [2020-11-06 22:01:13,528 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 47 check-sat command(s) [2020-11-06 22:01:13,529 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-06 22:01:13,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 928 conjuncts, 14 conjunts are in the unsatisfiable core [2020-11-06 22:01:13,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:01:13,925 INFO L134 CoverageAnalysis]: Checked inductivity of 36882 backedges. 15463 proven. 139 refuted. 0 times theorem prover too weak. 21280 trivial. 0 not checked. [2020-11-06 22:01:13,926 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-06 22:01:13,926 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 11] total 23 [2020-11-06 22:01:13,927 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696910945] [2020-11-06 22:01:13,928 INFO L461 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-11-06 22:01:13,928 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:01:13,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-11-06 22:01:13,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=419, Unknown=0, NotChecked=0, Total=506 [2020-11-06 22:01:13,929 INFO L87 Difference]: Start difference. First operand 673 states and 1110 transitions. Second operand 23 states. [2020-11-06 22:01:18,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:01:18,345 INFO L93 Difference]: Finished difference Result 860 states and 1593 transitions. [2020-11-06 22:01:18,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2020-11-06 22:01:18,346 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 792 [2020-11-06 22:01:18,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:01:18,352 INFO L225 Difference]: With dead ends: 860 [2020-11-06 22:01:18,352 INFO L226 Difference]: Without dead ends: 202 [2020-11-06 22:01:18,361 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1099 GetRequests, 1028 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1441 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=1105, Invalid=4151, Unknown=0, NotChecked=0, Total=5256 [2020-11-06 22:01:18,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2020-11-06 22:01:18,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 165. [2020-11-06 22:01:18,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2020-11-06 22:01:18,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 271 transitions. [2020-11-06 22:01:18,381 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 271 transitions. Word has length 792 [2020-11-06 22:01:18,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:01:18,381 INFO L481 AbstractCegarLoop]: Abstraction has 165 states and 271 transitions. [2020-11-06 22:01:18,382 INFO L482 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-11-06 22:01:18,382 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 271 transitions. [2020-11-06 22:01:18,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 820 [2020-11-06 22:01:18,389 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:01:18,390 INFO L422 BasicCegarLoop]: trace histogram [119, 119, 96, 59, 59, 59, 59, 59, 59, 59, 37, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:01:18,605 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:01:18,606 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:01:18,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:01:18,607 INFO L82 PathProgramCache]: Analyzing trace with hash -401831273, now seen corresponding path program 10 times [2020-11-06 22:01:18,607 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:01:18,608 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474554940] [2020-11-06 22:01:18,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:01:18,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:19,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:01:19,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:19,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 22:01:19,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:19,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:19,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:19,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:19,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:19,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:19,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:19,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:19,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:19,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:19,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:19,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:19,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:19,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:19,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:19,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:19,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:19,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:19,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:19,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:01:19,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:19,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-11-06 22:01:19,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:19,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-11-06 22:01:19,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:19,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:19,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:19,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:01:19,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:19,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-11-06 22:01:19,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:19,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:19,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:19,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:19,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:19,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:01:19,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:19,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-11-06 22:01:19,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:19,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-06 22:01:19,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:19,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:19,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:19,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:19,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:19,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:19,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:19,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:01:19,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:19,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-11-06 22:01:19,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:19,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-11-06 22:01:19,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:19,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:19,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:19,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:01:19,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:19,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-11-06 22:01:19,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:19,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:19,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:19,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:19,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:19,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:19,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:20,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:01:20,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:20,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-11-06 22:01:20,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:20,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-11-06 22:01:20,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:20,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:20,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:20,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:01:20,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:20,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-11-06 22:01:20,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:20,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:20,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:20,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:20,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:20,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:20,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:20,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:20,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:20,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:01:20,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:20,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-11-06 22:01:20,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:20,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-11-06 22:01:20,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:20,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:20,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:20,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:01:20,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:20,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-11-06 22:01:20,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:20,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:20,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:20,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:20,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:20,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:01:20,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:20,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-11-06 22:01:20,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:20,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-11-06 22:01:20,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:20,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:20,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:20,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:20,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:20,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:20,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:20,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:20,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:20,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:20,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:20,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:01:20,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:20,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-11-06 22:01:20,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:20,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-11-06 22:01:20,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:20,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:20,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:20,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:01:20,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:20,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-11-06 22:01:20,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:20,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:20,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:20,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:20,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:20,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:01:20,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:20,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-11-06 22:01:20,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:20,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-06 22:01:20,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:20,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:20,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:20,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:20,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:20,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:20,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:20,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:01:20,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:20,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-11-06 22:01:20,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:20,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-11-06 22:01:20,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:20,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:20,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:20,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:01:20,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:20,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2020-11-06 22:01:20,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:20,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:20,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:20,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:20,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:20,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:20,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:20,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:20,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:20,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:20,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:20,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:20,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:20,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:01:20,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:20,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-11-06 22:01:20,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:20,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-11-06 22:01:20,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:20,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:20,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:20,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:01:20,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:20,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-11-06 22:01:20,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:20,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:20,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:20,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:20,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:20,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:01:20,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:20,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-11-06 22:01:20,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:20,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-06 22:01:20,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:20,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:20,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:20,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:20,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:20,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:20,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:20,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:01:20,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:20,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-11-06 22:01:20,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:20,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-11-06 22:01:20,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:20,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:20,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:20,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:01:20,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:20,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-11-06 22:01:20,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:20,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:20,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:20,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:20,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:20,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:20,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:20,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:20,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:20,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:01:20,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:20,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-11-06 22:01:20,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:20,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-11-06 22:01:20,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:20,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:20,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:20,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:01:20,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:20,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-11-06 22:01:20,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:20,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:20,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:20,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 22:01:20,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:20,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 22:01:20,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:20,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-11-06 22:01:20,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:01:21,382 INFO L134 CoverageAnalysis]: Checked inductivity of 39488 backedges. 1503 proven. 5471 refuted. 0 times theorem prover too weak. 32514 trivial. 0 not checked. [2020-11-06 22:01:21,382 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474554940] [2020-11-06 22:01:21,382 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2055734028] [2020-11-06 22:01:21,382 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 [2020-11-06 22:01:21,678 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-11-06 22:01:21,678 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-06 22:01:21,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 1493 conjuncts, 22 conjunts are in the unsatisfiable core [2020-11-06 22:01:21,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:01:22,239 INFO L134 CoverageAnalysis]: Checked inductivity of 39488 backedges. 1028 proven. 5109 refuted. 0 times theorem prover too weak. 33351 trivial. 0 not checked. [2020-11-06 22:01:22,239 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-06 22:01:22,240 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 14] total 22 [2020-11-06 22:01:22,240 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900684740] [2020-11-06 22:01:22,241 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-11-06 22:01:22,241 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:01:22,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-11-06 22:01:22,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=366, Unknown=0, NotChecked=0, Total=462 [2020-11-06 22:01:22,242 INFO L87 Difference]: Start difference. First operand 165 states and 271 transitions. Second operand 22 states. [2020-11-06 22:01:24,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:01:24,770 INFO L93 Difference]: Finished difference Result 317 states and 576 transitions. [2020-11-06 22:01:24,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-11-06 22:01:24,771 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 819 [2020-11-06 22:01:24,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:01:24,772 INFO L225 Difference]: With dead ends: 317 [2020-11-06 22:01:24,772 INFO L226 Difference]: Without dead ends: 0 [2020-11-06 22:01:24,776 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1104 GetRequests, 1056 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 575 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=529, Invalid=1921, Unknown=0, NotChecked=0, Total=2450 [2020-11-06 22:01:24,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-06 22:01:24,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-06 22:01:24,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-06 22:01:24,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-06 22:01:24,777 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 819 [2020-11-06 22:01:24,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:01:24,778 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-06 22:01:24,778 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-11-06 22:01:24,778 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-06 22:01:24,778 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-06 22:01:24,988 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-11-06 22:01:24,991 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-06 22:01:27,072 WARN L194 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 169 DAG size of output: 56 [2020-11-06 22:01:27,622 WARN L194 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 6 [2020-11-06 22:01:27,744 WARN L194 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1 [2020-11-06 22:01:27,748 INFO L266 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-11-06 22:01:27,748 INFO L269 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-11-06 22:01:27,748 INFO L266 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-11-06 22:01:27,749 INFO L266 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-06 22:01:27,749 INFO L266 CegarLoopResult]: For program point fibonacciFINAL(lines 16 24) no Hoare annotation was computed. [2020-11-06 22:01:27,749 INFO L269 CegarLoopResult]: At program point fibonacciENTRY(lines 16 24) the Hoare annotation is: true [2020-11-06 22:01:27,749 INFO L262 CegarLoopResult]: At program point L22(line 22) the Hoare annotation is: (and (= fibonacci_~n |fibonacci_#in~n|) (<= 2 |fibonacci_#in~n|)) [2020-11-06 22:01:27,749 INFO L266 CegarLoopResult]: For program point L22-1(line 22) no Hoare annotation was computed. [2020-11-06 22:01:27,750 INFO L262 CegarLoopResult]: At program point L22-2(line 22) the Hoare annotation is: (let ((.cse1 (<= |fibonacci_#t~ret7| 1)) (.cse2 (<= 1 |fibonacci_#t~ret7|)) (.cse0 (= fibonacci_~n |fibonacci_#in~n|))) (or (and (<= |fibonacci_#t~ret7| 2) (<= 4 fibonacci_~n) .cse0 (<= 2 |fibonacci_#t~ret7|) (<= |fibonacci_#in~n| 4)) (and (<= 10 |fibonacci_#in~n|) .cse0) (and (<= 13 |fibonacci_#t~ret7|) (<= |fibonacci_#t~ret7| 13) (<= |fibonacci_#in~n| 8) (<= 8 |fibonacci_#in~n|) .cse0) (and (<= 9 |fibonacci_#in~n|) (<= |fibonacci_#t~ret7| 21) .cse0 (<= 21 |fibonacci_#t~ret7|)) (and (<= |fibonacci_#t~ret7| 8) .cse0 (<= 8 |fibonacci_#t~ret7|) (<= 7 |fibonacci_#in~n|) (<= |fibonacci_#in~n| 7)) (and .cse1 (<= |fibonacci_#in~n| 2) .cse0 .cse2 (<= 2 |fibonacci_#in~n|)) (and .cse1 (<= |fibonacci_#in~n| 3) .cse0 (<= 3 |fibonacci_#in~n|) .cse2) (and (<= 5 |fibonacci_#in~n|) (<= |fibonacci_#t~ret7| 3) .cse0 (<= 3 |fibonacci_#t~ret7|) (<= |fibonacci_#in~n| 5)) (and (<= |fibonacci_#t~ret7| 5) (<= 5 |fibonacci_#t~ret7|) .cse0 (<= fibonacci_~n 6) (<= 6 |fibonacci_#in~n|)))) [2020-11-06 22:01:27,750 INFO L266 CegarLoopResult]: For program point L19(lines 19 23) no Hoare annotation was computed. [2020-11-06 22:01:27,750 INFO L266 CegarLoopResult]: For program point L22-3(line 22) no Hoare annotation was computed. [2020-11-06 22:01:27,750 INFO L266 CegarLoopResult]: For program point fibonacciEXIT(lines 16 24) no Hoare annotation was computed. [2020-11-06 22:01:27,750 INFO L266 CegarLoopResult]: For program point L17(lines 17 23) no Hoare annotation was computed. [2020-11-06 22:01:27,750 INFO L266 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-11-06 22:01:27,750 INFO L262 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2020-11-06 22:01:27,750 INFO L266 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-11-06 22:01:27,751 INFO L266 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-06 22:01:27,751 INFO L269 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-11-06 22:01:27,751 INFO L269 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-11-06 22:01:27,751 INFO L266 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-06 22:01:27,751 INFO L262 CegarLoopResult]: At program point L33(line 33) the Hoare annotation is: false [2020-11-06 22:01:27,751 INFO L266 CegarLoopResult]: For program point L33-1(line 33) no Hoare annotation was computed. [2020-11-06 22:01:27,751 INFO L266 CegarLoopResult]: For program point L30(lines 30 34) no Hoare annotation was computed. [2020-11-06 22:01:27,751 INFO L269 CegarLoopResult]: At program point mainENTRY(lines 27 35) the Hoare annotation is: true [2020-11-06 22:01:27,751 INFO L262 CegarLoopResult]: At program point L29(line 29) the Hoare annotation is: (and (<= main_~x~0 9) (<= 9 main_~x~0)) [2020-11-06 22:01:27,752 INFO L266 CegarLoopResult]: For program point mainFINAL(lines 27 35) no Hoare annotation was computed. [2020-11-06 22:01:27,752 INFO L266 CegarLoopResult]: For program point L29-1(line 29) no Hoare annotation was computed. [2020-11-06 22:01:27,752 INFO L266 CegarLoopResult]: For program point mainEXIT(lines 27 35) no Hoare annotation was computed. [2020-11-06 22:01:27,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:01:27 BoogieIcfgContainer [2020-11-06 22:01:27,758 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-06 22:01:27,759 INFO L168 Benchmark]: Toolchain (without parser) took 51612.43 ms. Allocated memory was 154.1 MB in the beginning and 1.3 GB in the end (delta: 1.2 GB). Free memory was 110.2 MB in the beginning and 750.9 MB in the end (delta: -640.6 MB). Peak memory consumption was 544.5 MB. Max. memory is 8.0 GB. [2020-11-06 22:01:27,760 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 154.1 MB. Free memory is still 127.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-11-06 22:01:27,760 INFO L168 Benchmark]: CACSL2BoogieTranslator took 273.81 ms. Allocated memory is still 154.1 MB. Free memory was 109.6 MB in the beginning and 100.5 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2020-11-06 22:01:27,761 INFO L168 Benchmark]: Boogie Preprocessor took 33.06 ms. Allocated memory is still 154.1 MB. Free memory was 100.5 MB in the beginning and 99.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-11-06 22:01:27,761 INFO L168 Benchmark]: RCFGBuilder took 389.48 ms. Allocated memory is still 154.1 MB. Free memory was 99.3 MB in the beginning and 125.9 MB in the end (delta: -26.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. [2020-11-06 22:01:27,762 INFO L168 Benchmark]: TraceAbstraction took 50903.17 ms. Allocated memory was 154.1 MB in the beginning and 1.3 GB in the end (delta: 1.2 GB). Free memory was 125.5 MB in the beginning and 750.9 MB in the end (delta: -625.4 MB). Peak memory consumption was 560.5 MB. Max. memory is 8.0 GB. [2020-11-06 22:01:27,765 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 154.1 MB. Free memory is still 127.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 273.81 ms. Allocated memory is still 154.1 MB. Free memory was 109.6 MB in the beginning and 100.5 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 33.06 ms. Allocated memory is still 154.1 MB. Free memory was 100.5 MB in the beginning and 99.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 389.48 ms. Allocated memory is still 154.1 MB. Free memory was 99.3 MB in the beginning and 125.9 MB in the end (delta: -26.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 50903.17 ms. Allocated memory was 154.1 MB in the beginning and 1.3 GB in the end (delta: 1.2 GB). Free memory was 125.5 MB in the beginning and 750.9 MB in the end (delta: -625.4 MB). Peak memory consumption was 560.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 28 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 48.0s, OverallIterations: 13, TraceHistogramMax: 119, AutomataDifference: 20.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 333 SDtfs, 1186 SDslu, 828 SDs, 0 SdLazy, 5824 SolverSat, 1286 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5260 GetRequests, 4812 SyntacticMatches, 57 SemanticMatches, 391 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4052 ImplicationChecksByTransitivity, 16.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=673occurred 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: 0.5s AutomataMinimizationTime, 13 MinimizatonAttempts, 755 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 736 PreInvPairs, 848 NumberOfFragments, 184 HoareAnnotationTreeSize, 736 FomulaSimplifications, 1611 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 10 FomulaSimplificationsInter, 10458 FormulaSimplificationTreeSizeReductionInter, 1.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 20.4s InterpolantComputationTime, 7289 NumberOfCodeBlocks, 6536 NumberOfCodeBlocksAsserted, 117 NumberOfCheckSat, 7265 ConstructedInterpolants, 0 QuantifiedInterpolants, 9153363 SizeOfPredicates, 65 NumberOfNonLiveVariables, 6855 ConjunctsInSsa, 567 ConjunctsInUnsatCore, 24 InterpolantComputations, 2 PerfectInterpolantSequences, 213214/259462 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...