/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/eca-rers2012/Problem10_label23.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 01:11:58,644 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 01:11:58,650 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 01:11:58,712 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-12-22 01:11:58,818 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 01:11:58,900 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 01:11:58,901 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 01:11:58,909 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 01:11:58,909 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 01:11:58,909 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 01:11:58,910 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 01:11:58,910 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 01:11:58,910 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 01:11:58,911 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 01:11:58,915 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 01:11:58,917 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 01:11:58,917 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 01:11:58,917 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 01:11:58,918 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 01:11:58,920 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 01:11:58,921 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 01:11:58,921 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 01:11:58,921 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 01:11:58,922 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 01:11:58,922 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 01:11:58,925 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 01:11:58,925 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 01:11:58,926 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 01:11:58,926 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 01:11:58,926 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 01:11:58,927 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 01:11:59,626 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 01:11:59,679 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 01:11:59,683 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 01:11:59,684 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 01:11:59,685 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 01:11:59,686 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem10_label23.c [2020-12-22 01:11:59,771 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a21037ae/1ab01b24f5a74f2f97e7f5c6750890fb/FLAG009d2b054 [2020-12-22 01:12:00,584 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 01:12:00,585 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem10_label23.c [2020-12-22 01:12:00,601 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a21037ae/1ab01b24f5a74f2f97e7f5c6750890fb/FLAG009d2b054 [2020-12-22 01:12:00,772 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a21037ae/1ab01b24f5a74f2f97e7f5c6750890fb [2020-12-22 01:12:00,775 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 01:12:00,781 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 01:12:00,783 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 01:12:00,783 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 01:12:00,788 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 01:12:00,789 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 01:12:00" (1/1) ... [2020-12-22 01:12:00,790 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@278f9a3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:12:00, skipping insertion in model container [2020-12-22 01:12:00,790 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 01:12:00" (1/1) ... [2020-12-22 01:12:00,800 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 01:12:00,844 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 01:12:01,095 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem10_label23.c[5328,5341] [2020-12-22 01:12:01,285 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 01:12:01,298 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 01:12:01,327 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem10_label23.c[5328,5341] [2020-12-22 01:12:01,446 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 01:12:01,467 INFO L208 MainTranslator]: Completed translation [2020-12-22 01:12:01,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:12:01 WrapperNode [2020-12-22 01:12:01,468 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 01:12:01,471 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 01:12:01,471 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 01:12:01,471 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 01:12:01,481 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:12:01" (1/1) ... [2020-12-22 01:12:01,521 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:12:01" (1/1) ... [2020-12-22 01:12:01,625 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 01:12:01,628 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 01:12:01,628 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 01:12:01,628 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 01:12:01,639 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:12:01" (1/1) ... [2020-12-22 01:12:01,639 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:12:01" (1/1) ... [2020-12-22 01:12:01,652 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:12:01" (1/1) ... [2020-12-22 01:12:01,652 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:12:01" (1/1) ... [2020-12-22 01:12:01,687 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:12:01" (1/1) ... [2020-12-22 01:12:01,697 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:12:01" (1/1) ... [2020-12-22 01:12:01,704 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:12:01" (1/1) ... [2020-12-22 01:12:01,714 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 01:12:01,715 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 01:12:01,716 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 01:12:01,716 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 01:12:01,717 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:12:01" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 01:12:01,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 01:12:01,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 01:12:01,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 01:12:01,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 01:12:03,317 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 01:12:03,317 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-22 01:12:03,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 01:12:03 BoogieIcfgContainer [2020-12-22 01:12:03,322 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 01:12:03,324 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 01:12:03,325 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 01:12:03,329 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 01:12:03,330 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 01:12:00" (1/3) ... [2020-12-22 01:12:03,332 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a621678 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 01:12:03, skipping insertion in model container [2020-12-22 01:12:03,332 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:12:01" (2/3) ... [2020-12-22 01:12:03,332 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a621678 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 01:12:03, skipping insertion in model container [2020-12-22 01:12:03,333 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 01:12:03" (3/3) ... [2020-12-22 01:12:03,335 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label23.c [2020-12-22 01:12:03,347 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 01:12:03,352 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-22 01:12:03,373 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-22 01:12:03,405 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 01:12:03,405 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 01:12:03,405 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 01:12:03,406 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 01:12:03,406 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 01:12:03,406 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 01:12:03,406 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 01:12:03,406 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 01:12:03,430 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states. [2020-12-22 01:12:03,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-22 01:12:03,439 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:12:03,440 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 01:12:03,441 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:12:03,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:12:03,448 INFO L82 PathProgramCache]: Analyzing trace with hash 291089130, now seen corresponding path program 1 times [2020-12-22 01:12:03,459 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:12:03,459 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679719461] [2020-12-22 01:12:03,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:12:03,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:12:03,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 01:12:03,763 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679719461] [2020-12-22 01:12:03,764 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:12:03,765 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 01:12:03,766 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703457867] [2020-12-22 01:12:03,774 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:12:03,774 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:12:03,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:12:03,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:12:03,798 INFO L87 Difference]: Start difference. First operand 206 states. Second operand 3 states. [2020-12-22 01:12:04,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:12:04,873 INFO L93 Difference]: Finished difference Result 567 states and 981 transitions. [2020-12-22 01:12:04,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:12:04,875 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-12-22 01:12:04,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:12:04,891 INFO L225 Difference]: With dead ends: 567 [2020-12-22 01:12:04,891 INFO L226 Difference]: Without dead ends: 282 [2020-12-22 01:12:04,896 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:12:04,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2020-12-22 01:12:04,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2020-12-22 01:12:04,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2020-12-22 01:12:04,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 432 transitions. [2020-12-22 01:12:04,978 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 432 transitions. Word has length 46 [2020-12-22 01:12:04,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:12:04,979 INFO L481 AbstractCegarLoop]: Abstraction has 282 states and 432 transitions. [2020-12-22 01:12:04,979 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:12:04,979 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 432 transitions. [2020-12-22 01:12:04,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-12-22 01:12:04,988 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:12:04,989 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 01:12:04,990 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 01:12:04,990 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:12:04,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:12:04,991 INFO L82 PathProgramCache]: Analyzing trace with hash 413449494, now seen corresponding path program 1 times [2020-12-22 01:12:04,991 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:12:04,992 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340420044] [2020-12-22 01:12:04,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:12:05,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:12:05,319 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-22 01:12:05,320 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340420044] [2020-12-22 01:12:05,320 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1906292195] [2020-12-22 01:12:05,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 01:12:05,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:12:05,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-22 01:12:05,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 01:12:05,632 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 01:12:05,633 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 01:12:05,633 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-12-22 01:12:05,637 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468305274] [2020-12-22 01:12:05,638 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:12:05,639 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:12:05,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:12:05,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 01:12:05,640 INFO L87 Difference]: Start difference. First operand 282 states and 432 transitions. Second operand 3 states. [2020-12-22 01:12:06,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:12:06,412 INFO L93 Difference]: Finished difference Result 840 states and 1291 transitions. [2020-12-22 01:12:06,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:12:06,413 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 112 [2020-12-22 01:12:06,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:12:06,422 INFO L225 Difference]: With dead ends: 840 [2020-12-22 01:12:06,423 INFO L226 Difference]: Without dead ends: 560 [2020-12-22 01:12:06,428 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 01:12:06,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2020-12-22 01:12:06,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 560. [2020-12-22 01:12:06,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-12-22 01:12:06,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 770 transitions. [2020-12-22 01:12:06,485 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 770 transitions. Word has length 112 [2020-12-22 01:12:06,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:12:06,486 INFO L481 AbstractCegarLoop]: Abstraction has 560 states and 770 transitions. [2020-12-22 01:12:06,486 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:12:06,486 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 770 transitions. [2020-12-22 01:12:06,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-12-22 01:12:06,489 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:12:06,489 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 01:12:06,703 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-12-22 01:12:06,704 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:12:06,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:12:06,705 INFO L82 PathProgramCache]: Analyzing trace with hash -39237857, now seen corresponding path program 1 times [2020-12-22 01:12:06,705 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:12:06,706 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491253147] [2020-12-22 01:12:06,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:12:06,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:12:06,924 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 01:12:06,924 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491253147] [2020-12-22 01:12:06,924 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:12:06,926 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 01:12:06,927 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317098476] [2020-12-22 01:12:06,929 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:12:06,929 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:12:06,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:12:06,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:12:06,931 INFO L87 Difference]: Start difference. First operand 560 states and 770 transitions. Second operand 3 states. [2020-12-22 01:12:07,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:12:07,782 INFO L93 Difference]: Finished difference Result 1396 states and 1967 transitions. [2020-12-22 01:12:07,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:12:07,783 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 123 [2020-12-22 01:12:07,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:12:07,788 INFO L225 Difference]: With dead ends: 1396 [2020-12-22 01:12:07,788 INFO L226 Difference]: Without dead ends: 838 [2020-12-22 01:12:07,789 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:12:07,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2020-12-22 01:12:07,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 560. [2020-12-22 01:12:07,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-12-22 01:12:07,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 760 transitions. [2020-12-22 01:12:07,814 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 760 transitions. Word has length 123 [2020-12-22 01:12:07,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:12:07,814 INFO L481 AbstractCegarLoop]: Abstraction has 560 states and 760 transitions. [2020-12-22 01:12:07,814 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:12:07,815 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 760 transitions. [2020-12-22 01:12:07,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-12-22 01:12:07,820 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:12:07,820 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 01:12:07,820 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 01:12:07,821 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:12:07,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:12:07,821 INFO L82 PathProgramCache]: Analyzing trace with hash -1485137820, now seen corresponding path program 1 times [2020-12-22 01:12:07,822 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:12:07,822 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150667573] [2020-12-22 01:12:07,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:12:07,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:12:08,017 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 01:12:08,018 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150667573] [2020-12-22 01:12:08,018 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:12:08,019 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 01:12:08,019 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985172950] [2020-12-22 01:12:08,021 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:12:08,021 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:12:08,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:12:08,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:12:08,023 INFO L87 Difference]: Start difference. First operand 560 states and 760 transitions. Second operand 3 states. [2020-12-22 01:12:08,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:12:08,647 INFO L93 Difference]: Finished difference Result 1257 states and 1687 transitions. [2020-12-22 01:12:08,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:12:08,647 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 190 [2020-12-22 01:12:08,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:12:08,652 INFO L225 Difference]: With dead ends: 1257 [2020-12-22 01:12:08,652 INFO L226 Difference]: Without dead ends: 699 [2020-12-22 01:12:08,653 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:12:08,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2020-12-22 01:12:08,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 699. [2020-12-22 01:12:08,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 699 states. [2020-12-22 01:12:08,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 909 transitions. [2020-12-22 01:12:08,670 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 909 transitions. Word has length 190 [2020-12-22 01:12:08,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:12:08,671 INFO L481 AbstractCegarLoop]: Abstraction has 699 states and 909 transitions. [2020-12-22 01:12:08,671 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:12:08,671 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 909 transitions. [2020-12-22 01:12:08,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2020-12-22 01:12:08,675 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:12:08,675 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 01:12:08,675 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 01:12:08,676 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:12:08,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:12:08,676 INFO L82 PathProgramCache]: Analyzing trace with hash -1577669961, now seen corresponding path program 1 times [2020-12-22 01:12:08,677 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:12:08,677 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729195279] [2020-12-22 01:12:08,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:12:08,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:12:08,822 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2020-12-22 01:12:08,823 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729195279] [2020-12-22 01:12:08,824 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:12:08,825 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 01:12:08,825 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958171087] [2020-12-22 01:12:08,826 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:12:08,826 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:12:08,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:12:08,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:12:08,827 INFO L87 Difference]: Start difference. First operand 699 states and 909 transitions. Second operand 3 states. [2020-12-22 01:12:09,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:12:09,504 INFO L93 Difference]: Finished difference Result 1535 states and 1975 transitions. [2020-12-22 01:12:09,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:12:09,510 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 197 [2020-12-22 01:12:09,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:12:09,515 INFO L225 Difference]: With dead ends: 1535 [2020-12-22 01:12:09,515 INFO L226 Difference]: Without dead ends: 838 [2020-12-22 01:12:09,517 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:12:09,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2020-12-22 01:12:09,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 838. [2020-12-22 01:12:09,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 838 states. [2020-12-22 01:12:09,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1058 transitions. [2020-12-22 01:12:09,537 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1058 transitions. Word has length 197 [2020-12-22 01:12:09,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:12:09,538 INFO L481 AbstractCegarLoop]: Abstraction has 838 states and 1058 transitions. [2020-12-22 01:12:09,538 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:12:09,538 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1058 transitions. [2020-12-22 01:12:09,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-12-22 01:12:09,542 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:12:09,542 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 01:12:09,542 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 01:12:09,542 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:12:09,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:12:09,543 INFO L82 PathProgramCache]: Analyzing trace with hash 407801522, now seen corresponding path program 1 times [2020-12-22 01:12:09,543 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:12:09,544 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392424237] [2020-12-22 01:12:09,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:12:09,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:12:09,922 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 01:12:09,923 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392424237] [2020-12-22 01:12:09,923 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:12:09,923 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-22 01:12:09,924 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943688098] [2020-12-22 01:12:09,925 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 01:12:09,926 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:12:09,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 01:12:09,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-12-22 01:12:09,928 INFO L87 Difference]: Start difference. First operand 838 states and 1058 transitions. Second operand 7 states. [2020-12-22 01:12:10,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:12:10,680 INFO L93 Difference]: Finished difference Result 1590 states and 2020 transitions. [2020-12-22 01:12:10,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-22 01:12:10,681 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 199 [2020-12-22 01:12:10,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:12:10,686 INFO L225 Difference]: With dead ends: 1590 [2020-12-22 01:12:10,686 INFO L226 Difference]: Without dead ends: 838 [2020-12-22 01:12:10,687 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-12-22 01:12:10,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2020-12-22 01:12:10,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 838. [2020-12-22 01:12:10,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 838 states. [2020-12-22 01:12:10,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1054 transitions. [2020-12-22 01:12:10,709 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1054 transitions. Word has length 199 [2020-12-22 01:12:10,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:12:10,709 INFO L481 AbstractCegarLoop]: Abstraction has 838 states and 1054 transitions. [2020-12-22 01:12:10,709 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-22 01:12:10,709 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1054 transitions. [2020-12-22 01:12:10,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2020-12-22 01:12:10,713 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:12:10,713 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 01:12:10,714 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-22 01:12:10,714 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:12:10,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:12:10,715 INFO L82 PathProgramCache]: Analyzing trace with hash 1421524618, now seen corresponding path program 1 times [2020-12-22 01:12:10,715 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:12:10,715 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998621559] [2020-12-22 01:12:10,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:12:10,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:12:10,854 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2020-12-22 01:12:10,854 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998621559] [2020-12-22 01:12:10,855 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:12:10,855 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 01:12:10,855 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058528794] [2020-12-22 01:12:10,856 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:12:10,856 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:12:10,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:12:10,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:12:10,857 INFO L87 Difference]: Start difference. First operand 838 states and 1054 transitions. Second operand 3 states. [2020-12-22 01:12:11,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:12:11,586 INFO L93 Difference]: Finished difference Result 1952 states and 2543 transitions. [2020-12-22 01:12:11,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:12:11,587 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 215 [2020-12-22 01:12:11,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:12:11,593 INFO L225 Difference]: With dead ends: 1952 [2020-12-22 01:12:11,593 INFO L226 Difference]: Without dead ends: 1255 [2020-12-22 01:12:11,595 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:12:11,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1255 states. [2020-12-22 01:12:11,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1255 to 1255. [2020-12-22 01:12:11,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1255 states. [2020-12-22 01:12:11,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1574 transitions. [2020-12-22 01:12:11,625 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1574 transitions. Word has length 215 [2020-12-22 01:12:11,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:12:11,626 INFO L481 AbstractCegarLoop]: Abstraction has 1255 states and 1574 transitions. [2020-12-22 01:12:11,626 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:12:11,626 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1574 transitions. [2020-12-22 01:12:11,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-12-22 01:12:11,630 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:12:11,630 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 01:12:11,631 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-22 01:12:11,631 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:12:11,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:12:11,631 INFO L82 PathProgramCache]: Analyzing trace with hash -571956648, now seen corresponding path program 1 times [2020-12-22 01:12:11,632 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:12:11,632 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838183658] [2020-12-22 01:12:11,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:12:11,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:12:11,825 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 164 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 01:12:11,825 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838183658] [2020-12-22 01:12:11,826 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:12:11,826 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 01:12:11,826 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545555474] [2020-12-22 01:12:11,827 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:12:11,827 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:12:11,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:12:11,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:12:11,828 INFO L87 Difference]: Start difference. First operand 1255 states and 1574 transitions. Second operand 3 states. [2020-12-22 01:12:12,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:12:12,487 INFO L93 Difference]: Finished difference Result 2369 states and 3003 transitions. [2020-12-22 01:12:12,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:12:12,488 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 235 [2020-12-22 01:12:12,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:12:12,496 INFO L225 Difference]: With dead ends: 2369 [2020-12-22 01:12:12,496 INFO L226 Difference]: Without dead ends: 1255 [2020-12-22 01:12:12,498 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:12:12,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1255 states. [2020-12-22 01:12:12,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1255 to 1255. [2020-12-22 01:12:12,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1255 states. [2020-12-22 01:12:12,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1428 transitions. [2020-12-22 01:12:12,528 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1428 transitions. Word has length 235 [2020-12-22 01:12:12,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:12:12,528 INFO L481 AbstractCegarLoop]: Abstraction has 1255 states and 1428 transitions. [2020-12-22 01:12:12,528 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:12:12,529 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1428 transitions. [2020-12-22 01:12:12,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2020-12-22 01:12:12,533 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:12:12,534 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 01:12:12,534 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-22 01:12:12,534 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:12:12,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:12:12,535 INFO L82 PathProgramCache]: Analyzing trace with hash -1004432922, now seen corresponding path program 1 times [2020-12-22 01:12:12,535 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:12:12,536 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601924493] [2020-12-22 01:12:12,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:12:12,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:12:12,795 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2020-12-22 01:12:12,795 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601924493] [2020-12-22 01:12:12,796 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:12:12,796 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 01:12:12,796 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412575282] [2020-12-22 01:12:12,797 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:12:12,797 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:12:12,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:12:12,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:12:12,798 INFO L87 Difference]: Start difference. First operand 1255 states and 1428 transitions. Second operand 3 states. [2020-12-22 01:12:13,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:12:13,458 INFO L93 Difference]: Finished difference Result 2369 states and 2711 transitions. [2020-12-22 01:12:13,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:12:13,459 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 255 [2020-12-22 01:12:13,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:12:13,466 INFO L225 Difference]: With dead ends: 2369 [2020-12-22 01:12:13,466 INFO L226 Difference]: Without dead ends: 1255 [2020-12-22 01:12:13,468 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:12:13,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1255 states. [2020-12-22 01:12:13,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1255 to 1116. [2020-12-22 01:12:13,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1116 states. [2020-12-22 01:12:13,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1229 transitions. [2020-12-22 01:12:13,497 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1229 transitions. Word has length 255 [2020-12-22 01:12:13,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:12:13,497 INFO L481 AbstractCegarLoop]: Abstraction has 1116 states and 1229 transitions. [2020-12-22 01:12:13,497 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:12:13,498 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1229 transitions. [2020-12-22 01:12:13,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2020-12-22 01:12:13,503 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:12:13,504 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 01:12:13,504 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-22 01:12:13,504 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:12:13,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:12:13,505 INFO L82 PathProgramCache]: Analyzing trace with hash -280744041, now seen corresponding path program 1 times [2020-12-22 01:12:13,505 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:12:13,506 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280766683] [2020-12-22 01:12:13,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:12:13,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:12:13,791 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 281 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2020-12-22 01:12:13,794 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280766683] [2020-12-22 01:12:13,795 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:12:13,795 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 01:12:13,795 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608402150] [2020-12-22 01:12:13,796 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:12:13,796 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:12:13,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:12:13,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:12:13,800 INFO L87 Difference]: Start difference. First operand 1116 states and 1229 transitions. Second operand 3 states. [2020-12-22 01:12:14,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:12:14,403 INFO L93 Difference]: Finished difference Result 2230 states and 2482 transitions. [2020-12-22 01:12:14,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:12:14,405 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 308 [2020-12-22 01:12:14,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:12:14,412 INFO L225 Difference]: With dead ends: 2230 [2020-12-22 01:12:14,412 INFO L226 Difference]: Without dead ends: 1255 [2020-12-22 01:12:14,416 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:12:14,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1255 states. [2020-12-22 01:12:14,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1255 to 1255. [2020-12-22 01:12:14,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1255 states. [2020-12-22 01:12:14,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1383 transitions. [2020-12-22 01:12:14,449 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1383 transitions. Word has length 308 [2020-12-22 01:12:14,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:12:14,450 INFO L481 AbstractCegarLoop]: Abstraction has 1255 states and 1383 transitions. [2020-12-22 01:12:14,450 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:12:14,450 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1383 transitions. [2020-12-22 01:12:14,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2020-12-22 01:12:14,458 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:12:14,458 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 01:12:14,458 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-22 01:12:14,459 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:12:14,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:12:14,459 INFO L82 PathProgramCache]: Analyzing trace with hash 1719694206, now seen corresponding path program 1 times [2020-12-22 01:12:14,460 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:12:14,460 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618639167] [2020-12-22 01:12:14,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:12:14,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:12:14,778 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2020-12-22 01:12:14,779 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618639167] [2020-12-22 01:12:14,779 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:12:14,779 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 01:12:14,780 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221277078] [2020-12-22 01:12:14,781 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:12:14,781 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:12:14,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:12:14,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:12:14,782 INFO L87 Difference]: Start difference. First operand 1255 states and 1383 transitions. Second operand 3 states. [2020-12-22 01:12:15,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:12:15,584 INFO L93 Difference]: Finished difference Result 2230 states and 2467 transitions. [2020-12-22 01:12:15,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:12:15,585 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 318 [2020-12-22 01:12:15,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:12:15,597 INFO L225 Difference]: With dead ends: 2230 [2020-12-22 01:12:15,597 INFO L226 Difference]: Without dead ends: 2228 [2020-12-22 01:12:15,598 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:12:15,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2228 states. [2020-12-22 01:12:15,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2228 to 1255. [2020-12-22 01:12:15,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1255 states. [2020-12-22 01:12:15,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1383 transitions. [2020-12-22 01:12:15,643 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1383 transitions. Word has length 318 [2020-12-22 01:12:15,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:12:15,647 INFO L481 AbstractCegarLoop]: Abstraction has 1255 states and 1383 transitions. [2020-12-22 01:12:15,647 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:12:15,647 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1383 transitions. [2020-12-22 01:12:15,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2020-12-22 01:12:15,655 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:12:15,656 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 01:12:15,656 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-22 01:12:15,656 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:12:15,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:12:15,657 INFO L82 PathProgramCache]: Analyzing trace with hash 880930180, now seen corresponding path program 1 times [2020-12-22 01:12:15,657 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:12:15,658 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001570774] [2020-12-22 01:12:15,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:12:15,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:12:16,167 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 311 trivial. 0 not checked. [2020-12-22 01:12:16,168 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001570774] [2020-12-22 01:12:16,168 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1584340101] [2020-12-22 01:12:16,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 01:12:16,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:12:16,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 494 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-22 01:12:16,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 01:12:16,923 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2020-12-22 01:12:16,924 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 01:12:16,924 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2020-12-22 01:12:16,924 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643939856] [2020-12-22 01:12:16,925 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:12:16,925 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:12:16,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:12:16,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-22 01:12:16,926 INFO L87 Difference]: Start difference. First operand 1255 states and 1383 transitions. Second operand 3 states. [2020-12-22 01:12:17,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:12:17,606 INFO L93 Difference]: Finished difference Result 1950 states and 2157 transitions. [2020-12-22 01:12:17,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:12:17,607 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 354 [2020-12-22 01:12:17,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:12:17,608 INFO L225 Difference]: With dead ends: 1950 [2020-12-22 01:12:17,608 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 01:12:17,611 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 356 GetRequests, 353 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-22 01:12:17,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 01:12:17,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 01:12:17,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 01:12:17,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 01:12:17,612 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 354 [2020-12-22 01:12:17,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:12:17,612 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 01:12:17,613 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:12:17,613 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 01:12:17,613 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 01:12:17,826 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-12-22 01:12:17,829 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 01:12:18,013 WARN L197 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 25 [2020-12-22 01:12:18,142 WARN L197 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 25 [2020-12-22 01:12:18,147 INFO L189 CegarLoopUtils]: For program point L597(line 597) no Hoare annotation was computed. [2020-12-22 01:12:18,147 INFO L189 CegarLoopUtils]: For program point L564(lines 564 582) no Hoare annotation was computed. [2020-12-22 01:12:18,147 INFO L189 CegarLoopUtils]: For program point L333(lines 333 582) no Hoare annotation was computed. [2020-12-22 01:12:18,148 INFO L189 CegarLoopUtils]: For program point L367(lines 367 582) no Hoare annotation was computed. [2020-12-22 01:12:18,148 INFO L189 CegarLoopUtils]: For program point L301(lines 301 582) no Hoare annotation was computed. [2020-12-22 01:12:18,148 INFO L189 CegarLoopUtils]: For program point L235(lines 235 582) no Hoare annotation was computed. [2020-12-22 01:12:18,148 INFO L189 CegarLoopUtils]: For program point L202-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:18,148 INFO L189 CegarLoopUtils]: For program point L169-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:18,148 INFO L189 CegarLoopUtils]: For program point L136-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:18,148 INFO L189 CegarLoopUtils]: For program point L103-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:18,148 INFO L189 CegarLoopUtils]: For program point L70-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:18,149 INFO L189 CegarLoopUtils]: For program point L37-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:18,149 INFO L189 CegarLoopUtils]: For program point L533(lines 533 582) no Hoare annotation was computed. [2020-12-22 01:12:18,149 INFO L189 CegarLoopUtils]: For program point L203(line 203) no Hoare annotation was computed. [2020-12-22 01:12:18,149 INFO L189 CegarLoopUtils]: For program point L170(line 170) no Hoare annotation was computed. [2020-12-22 01:12:18,149 INFO L189 CegarLoopUtils]: For program point L137(line 137) no Hoare annotation was computed. [2020-12-22 01:12:18,149 INFO L189 CegarLoopUtils]: For program point L104(line 104) no Hoare annotation was computed. [2020-12-22 01:12:18,149 INFO L189 CegarLoopUtils]: For program point L71(line 71) no Hoare annotation was computed. [2020-12-22 01:12:18,149 INFO L189 CegarLoopUtils]: For program point L38(line 38) no Hoare annotation was computed. [2020-12-22 01:12:18,150 INFO L189 CegarLoopUtils]: For program point L567(lines 567 582) no Hoare annotation was computed. [2020-12-22 01:12:18,150 INFO L189 CegarLoopUtils]: For program point L435(lines 435 582) no Hoare annotation was computed. [2020-12-22 01:12:18,150 INFO L189 CegarLoopUtils]: For program point L336(lines 336 582) no Hoare annotation was computed. [2020-12-22 01:12:18,150 INFO L189 CegarLoopUtils]: For program point L270(lines 270 582) no Hoare annotation was computed. [2020-12-22 01:12:18,150 INFO L189 CegarLoopUtils]: For program point L403(lines 403 582) no Hoare annotation was computed. [2020-12-22 01:12:18,150 INFO L189 CegarLoopUtils]: For program point L370(lines 370 582) no Hoare annotation was computed. [2020-12-22 01:12:18,150 INFO L189 CegarLoopUtils]: For program point L205-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:18,150 INFO L189 CegarLoopUtils]: For program point L172-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:18,151 INFO L189 CegarLoopUtils]: For program point L139-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:18,151 INFO L189 CegarLoopUtils]: For program point L106-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:18,151 INFO L189 CegarLoopUtils]: For program point L73-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:18,151 INFO L189 CegarLoopUtils]: For program point L40-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:18,151 INFO L189 CegarLoopUtils]: For program point L536(lines 536 582) no Hoare annotation was computed. [2020-12-22 01:12:18,151 INFO L189 CegarLoopUtils]: For program point L503(lines 503 582) no Hoare annotation was computed. [2020-12-22 01:12:18,151 INFO L189 CegarLoopUtils]: For program point L470(lines 470 582) no Hoare annotation was computed. [2020-12-22 01:12:18,151 INFO L189 CegarLoopUtils]: For program point L206(line 206) no Hoare annotation was computed. [2020-12-22 01:12:18,152 INFO L189 CegarLoopUtils]: For program point L173(line 173) no Hoare annotation was computed. [2020-12-22 01:12:18,152 INFO L189 CegarLoopUtils]: For program point L140(line 140) no Hoare annotation was computed. [2020-12-22 01:12:18,152 INFO L189 CegarLoopUtils]: For program point L107(line 107) no Hoare annotation was computed. [2020-12-22 01:12:18,152 INFO L189 CegarLoopUtils]: For program point L74(line 74) no Hoare annotation was computed. [2020-12-22 01:12:18,152 INFO L189 CegarLoopUtils]: For program point L41(line 41) no Hoare annotation was computed. [2020-12-22 01:12:18,152 INFO L189 CegarLoopUtils]: For program point L339(lines 339 582) no Hoare annotation was computed. [2020-12-22 01:12:18,152 INFO L189 CegarLoopUtils]: For program point L306(lines 306 582) no Hoare annotation was computed. [2020-12-22 01:12:18,152 INFO L189 CegarLoopUtils]: For program point L241(lines 241 582) no Hoare annotation was computed. [2020-12-22 01:12:18,153 INFO L189 CegarLoopUtils]: For program point L208-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:18,153 INFO L189 CegarLoopUtils]: For program point L175-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:18,153 INFO L189 CegarLoopUtils]: For program point L142-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:18,153 INFO L189 CegarLoopUtils]: For program point L109-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:18,153 INFO L189 CegarLoopUtils]: For program point L76-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:18,153 INFO L189 CegarLoopUtils]: For program point L43-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:18,153 INFO L189 CegarLoopUtils]: For program point L539(lines 539 582) no Hoare annotation was computed. [2020-12-22 01:12:18,153 INFO L189 CegarLoopUtils]: For program point L440(lines 440 582) no Hoare annotation was computed. [2020-12-22 01:12:18,154 INFO L189 CegarLoopUtils]: For program point L275(lines 275 582) no Hoare annotation was computed. [2020-12-22 01:12:18,154 INFO L189 CegarLoopUtils]: For program point L209(line 209) no Hoare annotation was computed. [2020-12-22 01:12:18,154 INFO L189 CegarLoopUtils]: For program point L176(line 176) no Hoare annotation was computed. [2020-12-22 01:12:18,154 INFO L189 CegarLoopUtils]: For program point L143(line 143) no Hoare annotation was computed. [2020-12-22 01:12:18,154 INFO L189 CegarLoopUtils]: For program point L110(line 110) no Hoare annotation was computed. [2020-12-22 01:12:18,154 INFO L189 CegarLoopUtils]: For program point L77(line 77) no Hoare annotation was computed. [2020-12-22 01:12:18,154 INFO L189 CegarLoopUtils]: For program point L44(line 44) no Hoare annotation was computed. [2020-12-22 01:12:18,154 INFO L189 CegarLoopUtils]: For program point L573(lines 573 582) no Hoare annotation was computed. [2020-12-22 01:12:18,154 INFO L189 CegarLoopUtils]: For program point L408(lines 408 582) no Hoare annotation was computed. [2020-12-22 01:12:18,155 INFO L189 CegarLoopUtils]: For program point L375(lines 375 582) no Hoare annotation was computed. [2020-12-22 01:12:18,155 INFO L189 CegarLoopUtils]: For program point L475(lines 475 582) no Hoare annotation was computed. [2020-12-22 01:12:18,155 INFO L189 CegarLoopUtils]: For program point L211-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:18,155 INFO L189 CegarLoopUtils]: For program point L178-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:18,155 INFO L189 CegarLoopUtils]: For program point L145-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:18,155 INFO L189 CegarLoopUtils]: For program point L112-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:18,155 INFO L189 CegarLoopUtils]: For program point L79-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:18,155 INFO L189 CegarLoopUtils]: For program point L46-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:18,156 INFO L189 CegarLoopUtils]: For program point L509(lines 509 582) no Hoare annotation was computed. [2020-12-22 01:12:18,156 INFO L189 CegarLoopUtils]: For program point L311(lines 311 582) no Hoare annotation was computed. [2020-12-22 01:12:18,156 INFO L189 CegarLoopUtils]: For program point L212(line 212) no Hoare annotation was computed. [2020-12-22 01:12:18,156 INFO L189 CegarLoopUtils]: For program point L179(line 179) no Hoare annotation was computed. [2020-12-22 01:12:18,156 INFO L189 CegarLoopUtils]: For program point L146(line 146) no Hoare annotation was computed. [2020-12-22 01:12:18,156 INFO L189 CegarLoopUtils]: For program point L113(line 113) no Hoare annotation was computed. [2020-12-22 01:12:18,156 INFO L189 CegarLoopUtils]: For program point L80(line 80) no Hoare annotation was computed. [2020-12-22 01:12:18,156 INFO L189 CegarLoopUtils]: For program point L47(line 47) no Hoare annotation was computed. [2020-12-22 01:12:18,157 INFO L189 CegarLoopUtils]: For program point L345(lines 345 582) no Hoare annotation was computed. [2020-12-22 01:12:18,157 INFO L189 CegarLoopUtils]: For program point L246(lines 246 582) no Hoare annotation was computed. [2020-12-22 01:12:18,157 INFO L189 CegarLoopUtils]: For program point L544(lines 544 582) no Hoare annotation was computed. [2020-12-22 01:12:18,157 INFO L189 CegarLoopUtils]: For program point L181-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:18,157 INFO L189 CegarLoopUtils]: For program point L148-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:18,157 INFO L189 CegarLoopUtils]: For program point L115-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:18,157 INFO L189 CegarLoopUtils]: For program point L82-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:18,157 INFO L189 CegarLoopUtils]: For program point L49-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:18,157 INFO L189 CegarLoopUtils]: For program point L446(lines 446 582) no Hoare annotation was computed. [2020-12-22 01:12:18,158 INFO L189 CegarLoopUtils]: For program point L413(lines 413 582) no Hoare annotation was computed. [2020-12-22 01:12:18,158 INFO L189 CegarLoopUtils]: For program point L380(lines 380 582) no Hoare annotation was computed. [2020-12-22 01:12:18,158 INFO L189 CegarLoopUtils]: For program point L281(lines 281 582) no Hoare annotation was computed. [2020-12-22 01:12:18,158 INFO L189 CegarLoopUtils]: For program point L182(line 182) no Hoare annotation was computed. [2020-12-22 01:12:18,158 INFO L189 CegarLoopUtils]: For program point L149(line 149) no Hoare annotation was computed. [2020-12-22 01:12:18,158 INFO L189 CegarLoopUtils]: For program point L116(line 116) no Hoare annotation was computed. [2020-12-22 01:12:18,158 INFO L189 CegarLoopUtils]: For program point L83(line 83) no Hoare annotation was computed. [2020-12-22 01:12:18,158 INFO L189 CegarLoopUtils]: For program point L50(line 50) no Hoare annotation was computed. [2020-12-22 01:12:18,158 INFO L189 CegarLoopUtils]: For program point L579(lines 579 582) no Hoare annotation was computed. [2020-12-22 01:12:18,159 INFO L189 CegarLoopUtils]: For program point L249(lines 249 582) no Hoare annotation was computed. [2020-12-22 01:12:18,159 INFO L189 CegarLoopUtils]: For program point L514(lines 514 582) no Hoare annotation was computed. [2020-12-22 01:12:18,159 INFO L189 CegarLoopUtils]: For program point L481(lines 481 582) no Hoare annotation was computed. [2020-12-22 01:12:18,159 INFO L189 CegarLoopUtils]: For program point L316(lines 316 582) no Hoare annotation was computed. [2020-12-22 01:12:18,159 INFO L189 CegarLoopUtils]: For program point L184-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:18,159 INFO L189 CegarLoopUtils]: For program point L151-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:18,159 INFO L189 CegarLoopUtils]: For program point L118-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:18,159 INFO L189 CegarLoopUtils]: For program point L85-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:18,160 INFO L189 CegarLoopUtils]: For program point L52-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:18,160 INFO L189 CegarLoopUtils]: For program point L350(lines 350 582) no Hoare annotation was computed. [2020-12-22 01:12:18,160 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 01:12:18,160 INFO L189 CegarLoopUtils]: For program point L185(line 185) no Hoare annotation was computed. [2020-12-22 01:12:18,160 INFO L189 CegarLoopUtils]: For program point L152(line 152) no Hoare annotation was computed. [2020-12-22 01:12:18,160 INFO L189 CegarLoopUtils]: For program point L119(line 119) no Hoare annotation was computed. [2020-12-22 01:12:18,160 INFO L189 CegarLoopUtils]: For program point L86(line 86) no Hoare annotation was computed. [2020-12-22 01:12:18,160 INFO L189 CegarLoopUtils]: For program point L53(line 53) no Hoare annotation was computed. [2020-12-22 01:12:18,161 INFO L185 CegarLoopUtils]: At program point L583(lines 30 584) the Hoare annotation is: (let ((.cse2 (= ~a10~0 1)) (.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and .cse0 .cse1 (<= ~a19~0 9) (<= 2 ~a10~0)) (and (<= 0 (+ ~a1~0 12)) .cse2 .cse0 .cse1) (and .cse0 (= ~a10~0 0) .cse1) (and .cse2 (<= 9 ~a19~0) .cse0 .cse1))) [2020-12-22 01:12:18,161 INFO L189 CegarLoopUtils]: For program point L550(lines 550 582) no Hoare annotation was computed. [2020-12-22 01:12:18,161 INFO L189 CegarLoopUtils]: For program point L418(lines 418 582) no Hoare annotation was computed. [2020-12-22 01:12:18,161 INFO L189 CegarLoopUtils]: For program point L385(lines 385 582) no Hoare annotation was computed. [2020-12-22 01:12:18,162 INFO L189 CegarLoopUtils]: For program point L220(lines 220 582) no Hoare annotation was computed. [2020-12-22 01:12:18,162 INFO L189 CegarLoopUtils]: For program point L187-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:18,162 INFO L189 CegarLoopUtils]: For program point L154-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:18,162 INFO L189 CegarLoopUtils]: For program point L121-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:18,162 INFO L189 CegarLoopUtils]: For program point L88-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:18,162 INFO L189 CegarLoopUtils]: For program point L55-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:18,162 INFO L189 CegarLoopUtils]: For program point L452(lines 452 582) no Hoare annotation was computed. [2020-12-22 01:12:18,162 INFO L189 CegarLoopUtils]: For program point L287(lines 287 582) no Hoare annotation was computed. [2020-12-22 01:12:18,163 INFO L189 CegarLoopUtils]: For program point L254(lines 254 582) no Hoare annotation was computed. [2020-12-22 01:12:18,163 INFO L189 CegarLoopUtils]: For program point L188(line 188) no Hoare annotation was computed. [2020-12-22 01:12:18,163 INFO L189 CegarLoopUtils]: For program point L155(line 155) no Hoare annotation was computed. [2020-12-22 01:12:18,163 INFO L189 CegarLoopUtils]: For program point L122(line 122) no Hoare annotation was computed. [2020-12-22 01:12:18,163 INFO L189 CegarLoopUtils]: For program point L89(line 89) no Hoare annotation was computed. [2020-12-22 01:12:18,163 INFO L189 CegarLoopUtils]: For program point L56(line 56) no Hoare annotation was computed. [2020-12-22 01:12:18,163 INFO L189 CegarLoopUtils]: For program point L519(lines 519 582) no Hoare annotation was computed. [2020-12-22 01:12:18,163 INFO L189 CegarLoopUtils]: For program point L486(lines 486 582) no Hoare annotation was computed. [2020-12-22 01:12:18,163 INFO L192 CegarLoopUtils]: At program point L586(lines 586 602) the Hoare annotation is: true [2020-12-22 01:12:18,164 INFO L189 CegarLoopUtils]: For program point L388(lines 388 582) no Hoare annotation was computed. [2020-12-22 01:12:18,164 INFO L189 CegarLoopUtils]: For program point L355(lines 355 582) no Hoare annotation was computed. [2020-12-22 01:12:18,164 INFO L189 CegarLoopUtils]: For program point L322(lines 322 582) no Hoare annotation was computed. [2020-12-22 01:12:18,164 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 01:12:18,164 INFO L189 CegarLoopUtils]: For program point L190-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:18,164 INFO L189 CegarLoopUtils]: For program point L157-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:18,164 INFO L189 CegarLoopUtils]: For program point L124-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:18,164 INFO L189 CegarLoopUtils]: For program point L91-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:18,165 INFO L189 CegarLoopUtils]: For program point L58-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:18,165 INFO L189 CegarLoopUtils]: For program point L191(line 191) no Hoare annotation was computed. [2020-12-22 01:12:18,165 INFO L189 CegarLoopUtils]: For program point L158(line 158) no Hoare annotation was computed. [2020-12-22 01:12:18,165 INFO L189 CegarLoopUtils]: For program point L125(line 125) no Hoare annotation was computed. [2020-12-22 01:12:18,165 INFO L189 CegarLoopUtils]: For program point L92(line 92) no Hoare annotation was computed. [2020-12-22 01:12:18,165 INFO L189 CegarLoopUtils]: For program point L59(line 59) no Hoare annotation was computed. [2020-12-22 01:12:18,165 INFO L189 CegarLoopUtils]: For program point L555(lines 555 582) no Hoare annotation was computed. [2020-12-22 01:12:18,165 INFO L189 CegarLoopUtils]: For program point L225(lines 225 582) no Hoare annotation was computed. [2020-12-22 01:12:18,165 INFO L189 CegarLoopUtils]: For program point L424(lines 424 582) no Hoare annotation was computed. [2020-12-22 01:12:18,165 INFO L189 CegarLoopUtils]: For program point L259(lines 259 582) no Hoare annotation was computed. [2020-12-22 01:12:18,166 INFO L189 CegarLoopUtils]: For program point L193-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:18,166 INFO L189 CegarLoopUtils]: For program point L160-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:18,166 INFO L189 CegarLoopUtils]: For program point L127-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:18,166 INFO L189 CegarLoopUtils]: For program point L94-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:18,166 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 01:12:18,166 INFO L189 CegarLoopUtils]: For program point L61-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:18,166 INFO L189 CegarLoopUtils]: For program point L524(lines 524 582) no Hoare annotation was computed. [2020-12-22 01:12:18,166 INFO L189 CegarLoopUtils]: For program point L491(lines 491 582) no Hoare annotation was computed. [2020-12-22 01:12:18,167 INFO L189 CegarLoopUtils]: For program point L458(lines 458 582) no Hoare annotation was computed. [2020-12-22 01:12:18,167 INFO L189 CegarLoopUtils]: For program point L293(lines 293 582) no Hoare annotation was computed. [2020-12-22 01:12:18,167 INFO L189 CegarLoopUtils]: For program point L194(line 194) no Hoare annotation was computed. [2020-12-22 01:12:18,167 INFO L189 CegarLoopUtils]: For program point L161(line 161) no Hoare annotation was computed. [2020-12-22 01:12:18,167 INFO L189 CegarLoopUtils]: For program point L128(line 128) no Hoare annotation was computed. [2020-12-22 01:12:18,167 INFO L189 CegarLoopUtils]: For program point L95(line 95) no Hoare annotation was computed. [2020-12-22 01:12:18,167 INFO L189 CegarLoopUtils]: For program point L62(line 62) no Hoare annotation was computed. [2020-12-22 01:12:18,167 INFO L189 CegarLoopUtils]: For program point L558(lines 558 582) no Hoare annotation was computed. [2020-12-22 01:12:18,168 INFO L189 CegarLoopUtils]: For program point L393(lines 393 582) no Hoare annotation was computed. [2020-12-22 01:12:18,168 INFO L189 CegarLoopUtils]: For program point L327(lines 327 582) no Hoare annotation was computed. [2020-12-22 01:12:18,168 INFO L185 CegarLoopUtils]: At program point L592-2(lines 592 601) the Hoare annotation is: (let ((.cse2 (= ~a10~0 1)) (.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and .cse0 .cse1 (<= ~a19~0 9) (<= 2 ~a10~0)) (and (<= 0 (+ ~a1~0 12)) .cse2 .cse0 .cse1) (and .cse0 (= ~a10~0 0) .cse1) (and .cse2 (<= 9 ~a19~0) .cse0 .cse1))) [2020-12-22 01:12:18,168 INFO L189 CegarLoopUtils]: For program point L361(lines 361 582) no Hoare annotation was computed. [2020-12-22 01:12:18,168 INFO L189 CegarLoopUtils]: For program point L196-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:18,168 INFO L189 CegarLoopUtils]: For program point L163-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:18,168 INFO L189 CegarLoopUtils]: For program point L130-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:18,169 INFO L189 CegarLoopUtils]: For program point L97-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:18,169 INFO L189 CegarLoopUtils]: For program point L31(lines 31 33) no Hoare annotation was computed. [2020-12-22 01:12:18,169 INFO L189 CegarLoopUtils]: For program point L64-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:18,169 INFO L189 CegarLoopUtils]: For program point L31-2(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:18,169 INFO L189 CegarLoopUtils]: For program point L527(lines 527 582) no Hoare annotation was computed. [2020-12-22 01:12:18,169 INFO L189 CegarLoopUtils]: For program point L296(lines 296 582) no Hoare annotation was computed. [2020-12-22 01:12:18,169 INFO L189 CegarLoopUtils]: For program point L230(lines 230 582) no Hoare annotation was computed. [2020-12-22 01:12:18,169 INFO L189 CegarLoopUtils]: For program point L197(line 197) no Hoare annotation was computed. [2020-12-22 01:12:18,169 INFO L189 CegarLoopUtils]: For program point L164(line 164) no Hoare annotation was computed. [2020-12-22 01:12:18,170 INFO L189 CegarLoopUtils]: For program point L131(line 131) no Hoare annotation was computed. [2020-12-22 01:12:18,170 INFO L189 CegarLoopUtils]: For program point L98(line 98) no Hoare annotation was computed. [2020-12-22 01:12:18,170 INFO L189 CegarLoopUtils]: For program point L65(line 65) no Hoare annotation was computed. [2020-12-22 01:12:18,170 INFO L189 CegarLoopUtils]: For program point L32(line 32) no Hoare annotation was computed. [2020-12-22 01:12:18,170 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 01:12:18,170 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 152) no Hoare annotation was computed. [2020-12-22 01:12:18,170 INFO L189 CegarLoopUtils]: For program point L429(lines 429 582) no Hoare annotation was computed. [2020-12-22 01:12:18,170 INFO L189 CegarLoopUtils]: For program point L330(lines 330 582) no Hoare annotation was computed. [2020-12-22 01:12:18,171 INFO L189 CegarLoopUtils]: For program point L264(lines 264 582) no Hoare annotation was computed. [2020-12-22 01:12:18,171 INFO L189 CegarLoopUtils]: For program point L364(lines 364 582) no Hoare annotation was computed. [2020-12-22 01:12:18,171 INFO L189 CegarLoopUtils]: For program point L199-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:18,171 INFO L189 CegarLoopUtils]: For program point L166-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:18,171 INFO L189 CegarLoopUtils]: For program point L133-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:18,171 INFO L189 CegarLoopUtils]: For program point L100-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:18,171 INFO L189 CegarLoopUtils]: For program point L67-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:18,171 INFO L189 CegarLoopUtils]: For program point L34-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:18,171 INFO L189 CegarLoopUtils]: For program point L497(lines 497 582) no Hoare annotation was computed. [2020-12-22 01:12:18,171 INFO L189 CegarLoopUtils]: For program point L464(lines 464 582) no Hoare annotation was computed. [2020-12-22 01:12:18,172 INFO L189 CegarLoopUtils]: For program point L398(lines 398 582) no Hoare annotation was computed. [2020-12-22 01:12:18,172 INFO L189 CegarLoopUtils]: For program point L200(line 200) no Hoare annotation was computed. [2020-12-22 01:12:18,172 INFO L189 CegarLoopUtils]: For program point L167(line 167) no Hoare annotation was computed. [2020-12-22 01:12:18,172 INFO L189 CegarLoopUtils]: For program point L134(line 134) no Hoare annotation was computed. [2020-12-22 01:12:18,172 INFO L189 CegarLoopUtils]: For program point L101(line 101) no Hoare annotation was computed. [2020-12-22 01:12:18,172 INFO L189 CegarLoopUtils]: For program point L68(line 68) no Hoare annotation was computed. [2020-12-22 01:12:18,172 INFO L189 CegarLoopUtils]: For program point L35(line 35) no Hoare annotation was computed. [2020-12-22 01:12:18,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 01:12:18 BoogieIcfgContainer [2020-12-22 01:12:18,198 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 01:12:18,199 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 01:12:18,199 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 01:12:18,199 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 01:12:18,200 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 01:12:03" (3/4) ... [2020-12-22 01:12:18,204 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 01:12:18,245 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-12-22 01:12:18,246 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-22 01:12:18,247 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 01:12:18,249 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 01:12:18,420 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/eca-rers2012/Problem10_label23.c-witness.graphml [2020-12-22 01:12:18,420 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 01:12:18,422 INFO L168 Benchmark]: Toolchain (without parser) took 17644.24 ms. Allocated memory was 174.1 MB in the beginning and 346.0 MB in the end (delta: 172.0 MB). Free memory was 147.9 MB in the beginning and 151.9 MB in the end (delta: -4.0 MB). Peak memory consumption was 169.0 MB. Max. memory is 8.0 GB. [2020-12-22 01:12:18,422 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 174.1 MB. Free memory is still 146.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 01:12:18,422 INFO L168 Benchmark]: CACSL2BoogieTranslator took 686.38 ms. Allocated memory is still 174.1 MB. Free memory was 147.7 MB in the beginning and 151.8 MB in the end (delta: -4.1 MB). Peak memory consumption was 26.5 MB. Max. memory is 8.0 GB. [2020-12-22 01:12:18,423 INFO L168 Benchmark]: Boogie Procedure Inliner took 156.22 ms. Allocated memory is still 174.1 MB. Free memory was 151.8 MB in the beginning and 143.9 MB in the end (delta: 7.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. [2020-12-22 01:12:18,423 INFO L168 Benchmark]: Boogie Preprocessor took 86.80 ms. Allocated memory is still 174.1 MB. Free memory was 143.9 MB in the beginning and 138.7 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-12-22 01:12:18,424 INFO L168 Benchmark]: RCFGBuilder took 1606.57 ms. Allocated memory is still 174.1 MB. Free memory was 138.7 MB in the beginning and 127.7 MB in the end (delta: 11.0 MB). Peak memory consumption was 89.1 MB. Max. memory is 8.0 GB. [2020-12-22 01:12:18,424 INFO L168 Benchmark]: TraceAbstraction took 14874.17 ms. Allocated memory was 174.1 MB in the beginning and 346.0 MB in the end (delta: 172.0 MB). Free memory was 127.7 MB in the beginning and 167.1 MB in the end (delta: -39.4 MB). Peak memory consumption was 132.6 MB. Max. memory is 8.0 GB. [2020-12-22 01:12:18,425 INFO L168 Benchmark]: Witness Printer took 221.63 ms. Allocated memory is still 346.0 MB. Free memory was 167.1 MB in the beginning and 151.9 MB in the end (delta: 15.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2020-12-22 01:12:18,427 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 174.1 MB. Free memory is still 146.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 686.38 ms. Allocated memory is still 174.1 MB. Free memory was 147.7 MB in the beginning and 151.8 MB in the end (delta: -4.1 MB). Peak memory consumption was 26.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 156.22 ms. Allocated memory is still 174.1 MB. Free memory was 151.8 MB in the beginning and 143.9 MB in the end (delta: 7.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 86.80 ms. Allocated memory is still 174.1 MB. Free memory was 143.9 MB in the beginning and 138.7 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1606.57 ms. Allocated memory is still 174.1 MB. Free memory was 138.7 MB in the beginning and 127.7 MB in the end (delta: 11.0 MB). Peak memory consumption was 89.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 14874.17 ms. Allocated memory was 174.1 MB in the beginning and 346.0 MB in the end (delta: 172.0 MB). Free memory was 127.7 MB in the beginning and 167.1 MB in the end (delta: -39.4 MB). Peak memory consumption was 132.6 MB. Max. memory is 8.0 GB. * Witness Printer took 221.63 ms. Allocated memory is still 346.0 MB. Free memory was 167.1 MB in the beginning and 151.9 MB in the end (delta: 15.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 152]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: (((((14 == a4 && a12 == 0) && a19 <= 9) && 2 <= a10) || (((0 <= a1 + 12 && a10 == 1) && 14 == a4) && a12 == 0)) || ((14 == a4 && a10 == 0) && a12 == 0)) || (((a10 == 1 && 9 <= a19) && 14 == a4) && a12 == 0) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((((14 == a4 && a12 == 0) && a19 <= 9) && 2 <= a10) || (((0 <= a1 + 12 && a10 == 1) && 14 == a4) && a12 == 0)) || ((14 == a4 && a10 == 0) && a12 == 0)) || (((a10 == 1 && 9 <= a19) && 14 == a4) && a12 == 0) - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 206 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.4s, OverallIterations: 12, TraceHistogramMax: 4, AutomataDifference: 9.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1259 SDtfs, 1157 SDslu, 57 SDs, 0 SdLazy, 4525 SolverSat, 636 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 499 GetRequests, 479 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1255occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 12 MinimizatonAttempts, 1390 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 35 NumberOfFragments, 105 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1168 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 114 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 3018 NumberOfCodeBlocks, 3018 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 3004 ConstructedInterpolants, 0 QuantifiedInterpolants, 2178874 SizeOfPredicates, 0 NumberOfNonLiveVariables, 698 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 2506/2606 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...