/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label31.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-23 20:52:24,711 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-23 20:52:24,714 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-23 20:52:24,730 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-11-23 20:52:24,739 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-23 20:52:24,740 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-23 20:52:24,741 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-23 20:52:24,743 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-23 20:52:24,743 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-23 20:52:24,744 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-23 20:52:24,746 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-23 20:52:24,749 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-23 20:52:24,750 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-23 20:52:24,751 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-23 20:52:24,753 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-23 20:52:24,753 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-23 20:52:24,756 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-23 20:52:24,764 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-23 20:52:24,765 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-23 20:52:24,766 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-23 20:52:24,767 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-23 20:52:24,790 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-23 20:52:24,790 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-23 20:52:24,791 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-23 20:52:24,792 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-23 20:52:24,792 INFO L138 SettingsManager]: * Use SBE=true [2019-11-23 20:52:24,792 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-23 20:52:24,792 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-23 20:52:24,793 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-23 20:52:24,793 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-23 20:52:24,793 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-23 20:52:24,793 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-23 20:52:24,793 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-23 20:52:24,794 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-23 20:52:24,794 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-23 20:52:24,794 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-23 20:52:24,794 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-23 20:52:24,795 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-23 20:52:24,795 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-23 20:52:24,795 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-23 20:52:24,795 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-23 20:52:24,795 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-23 20:52:24,796 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-23 20:52:24,796 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-23 20:52:24,796 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-23 20:52:24,796 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-23 20:52:24,797 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-23 20:52:24,797 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-23 20:52:24,797 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-23 20:52:24,797 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-23 20:52:24,797 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-23 20:52:25,063 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-23 20:52:25,082 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-23 20:52:25,085 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-23 20:52:25,087 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-23 20:52:25,087 INFO L275 PluginConnector]: CDTParser initialized [2019-11-23 20:52:25,088 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label31.c [2019-11-23 20:52:25,158 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ef164b1e/f4dd6a3d2baa4efdaac431a145b1e07a/FLAGf50b645d0 [2019-11-23 20:52:25,711 INFO L306 CDTParser]: Found 1 translation units. [2019-11-23 20:52:25,711 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label31.c [2019-11-23 20:52:25,724 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ef164b1e/f4dd6a3d2baa4efdaac431a145b1e07a/FLAGf50b645d0 [2019-11-23 20:52:25,943 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ef164b1e/f4dd6a3d2baa4efdaac431a145b1e07a [2019-11-23 20:52:25,953 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-23 20:52:25,954 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-23 20:52:25,956 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-23 20:52:25,956 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-23 20:52:25,962 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-23 20:52:25,963 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:52:25" (1/1) ... [2019-11-23 20:52:25,966 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d806f68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:52:25, skipping insertion in model container [2019-11-23 20:52:25,966 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:52:25" (1/1) ... [2019-11-23 20:52:25,975 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-23 20:52:26,037 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-23 20:52:26,485 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 20:52:26,490 INFO L203 MainTranslator]: Completed pre-run [2019-11-23 20:52:26,762 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 20:52:26,783 INFO L208 MainTranslator]: Completed translation [2019-11-23 20:52:26,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:52:26 WrapperNode [2019-11-23 20:52:26,784 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-23 20:52:26,784 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-23 20:52:26,785 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-23 20:52:26,785 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-23 20:52:26,792 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:52:26" (1/1) ... [2019-11-23 20:52:26,812 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:52:26" (1/1) ... [2019-11-23 20:52:26,873 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-23 20:52:26,874 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-23 20:52:26,874 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-23 20:52:26,874 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-23 20:52:26,883 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:52:26" (1/1) ... [2019-11-23 20:52:26,883 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:52:26" (1/1) ... [2019-11-23 20:52:26,887 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:52:26" (1/1) ... [2019-11-23 20:52:26,888 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:52:26" (1/1) ... [2019-11-23 20:52:26,910 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:52:26" (1/1) ... [2019-11-23 20:52:26,923 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:52:26" (1/1) ... [2019-11-23 20:52:26,935 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:52:26" (1/1) ... [2019-11-23 20:52:26,950 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-23 20:52:26,951 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-23 20:52:26,951 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-23 20:52:26,951 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-23 20:52:26,955 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:52:26" (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 [2019-11-23 20:52:27,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-23 20:52:27,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-23 20:52:28,275 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-23 20:52:28,275 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-23 20:52:28,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:52:28 BoogieIcfgContainer [2019-11-23 20:52:28,277 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-23 20:52:28,278 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-23 20:52:28,279 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-23 20:52:28,282 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-23 20:52:28,282 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:52:25" (1/3) ... [2019-11-23 20:52:28,283 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e88371e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:52:28, skipping insertion in model container [2019-11-23 20:52:28,283 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:52:26" (2/3) ... [2019-11-23 20:52:28,284 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e88371e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:52:28, skipping insertion in model container [2019-11-23 20:52:28,284 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:52:28" (3/3) ... [2019-11-23 20:52:28,286 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label31.c [2019-11-23 20:52:28,296 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-23 20:52:28,304 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-23 20:52:28,317 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-23 20:52:28,351 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-23 20:52:28,351 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-23 20:52:28,351 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-23 20:52:28,351 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-23 20:52:28,352 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-23 20:52:28,353 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-23 20:52:28,353 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-23 20:52:28,353 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-23 20:52:28,381 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states. [2019-11-23 20:52:28,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2019-11-23 20:52:28,396 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 20:52:28,397 INFO L410 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, 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] [2019-11-23 20:52:28,398 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 20:52:28,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 20:52:28,405 INFO L82 PathProgramCache]: Analyzing trace with hash 779606815, now seen corresponding path program 1 times [2019-11-23 20:52:28,413 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 20:52:28,414 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576215473] [2019-11-23 20:52:28,414 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 20:52:28,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 20:52:28,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 20:52:28,811 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576215473] [2019-11-23 20:52:28,812 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 20:52:28,813 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-23 20:52:28,815 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149739391] [2019-11-23 20:52:28,820 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-23 20:52:28,821 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 20:52:28,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-23 20:52:28,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 20:52:28,839 INFO L87 Difference]: Start difference. First operand 198 states. Second operand 3 states. [2019-11-23 20:52:29,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 20:52:29,757 INFO L93 Difference]: Finished difference Result 528 states and 915 transitions. [2019-11-23 20:52:29,757 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-23 20:52:29,759 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 92 [2019-11-23 20:52:29,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 20:52:29,792 INFO L225 Difference]: With dead ends: 528 [2019-11-23 20:52:29,792 INFO L226 Difference]: Without dead ends: 266 [2019-11-23 20:52:29,802 INFO L630 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 [2019-11-23 20:52:29,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2019-11-23 20:52:29,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2019-11-23 20:52:29,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2019-11-23 20:52:29,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 374 transitions. [2019-11-23 20:52:29,865 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 374 transitions. Word has length 92 [2019-11-23 20:52:29,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 20:52:29,866 INFO L462 AbstractCegarLoop]: Abstraction has 266 states and 374 transitions. [2019-11-23 20:52:29,866 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-23 20:52:29,866 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 374 transitions. [2019-11-23 20:52:29,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2019-11-23 20:52:29,870 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 20:52:29,870 INFO L410 BasicCegarLoop]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1] [2019-11-23 20:52:29,871 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 20:52:29,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 20:52:29,871 INFO L82 PathProgramCache]: Analyzing trace with hash 600534359, now seen corresponding path program 1 times [2019-11-23 20:52:29,871 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 20:52:29,872 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125727374] [2019-11-23 20:52:29,872 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 20:52:29,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 20:52:30,047 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 20:52:30,048 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125727374] [2019-11-23 20:52:30,048 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 20:52:30,048 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 20:52:30,049 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963271922] [2019-11-23 20:52:30,055 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-23 20:52:30,056 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 20:52:30,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-23 20:52:30,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 20:52:30,056 INFO L87 Difference]: Start difference. First operand 266 states and 374 transitions. Second operand 3 states. [2019-11-23 20:52:30,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 20:52:30,599 INFO L93 Difference]: Finished difference Result 792 states and 1117 transitions. [2019-11-23 20:52:30,600 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-23 20:52:30,600 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 96 [2019-11-23 20:52:30,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 20:52:30,603 INFO L225 Difference]: With dead ends: 792 [2019-11-23 20:52:30,604 INFO L226 Difference]: Without dead ends: 528 [2019-11-23 20:52:30,605 INFO L630 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 [2019-11-23 20:52:30,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2019-11-23 20:52:30,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 528. [2019-11-23 20:52:30,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 528 states. [2019-11-23 20:52:30,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 708 transitions. [2019-11-23 20:52:30,632 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 708 transitions. Word has length 96 [2019-11-23 20:52:30,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 20:52:30,632 INFO L462 AbstractCegarLoop]: Abstraction has 528 states and 708 transitions. [2019-11-23 20:52:30,633 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-23 20:52:30,633 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 708 transitions. [2019-11-23 20:52:30,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2019-11-23 20:52:30,639 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 20:52:30,640 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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, 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] [2019-11-23 20:52:30,640 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 20:52:30,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 20:52:30,640 INFO L82 PathProgramCache]: Analyzing trace with hash -2084319604, now seen corresponding path program 1 times [2019-11-23 20:52:30,640 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 20:52:30,641 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382719809] [2019-11-23 20:52:30,641 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 20:52:30,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 20:52:30,745 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-23 20:52:30,745 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382719809] [2019-11-23 20:52:30,746 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 20:52:30,746 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-23 20:52:30,747 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911883881] [2019-11-23 20:52:30,748 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-23 20:52:30,749 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 20:52:30,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-23 20:52:30,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 20:52:30,750 INFO L87 Difference]: Start difference. First operand 528 states and 708 transitions. Second operand 3 states. [2019-11-23 20:52:31,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 20:52:31,310 INFO L93 Difference]: Finished difference Result 1316 states and 1785 transitions. [2019-11-23 20:52:31,311 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-23 20:52:31,312 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 115 [2019-11-23 20:52:31,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 20:52:31,317 INFO L225 Difference]: With dead ends: 1316 [2019-11-23 20:52:31,317 INFO L226 Difference]: Without dead ends: 790 [2019-11-23 20:52:31,318 INFO L630 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 [2019-11-23 20:52:31,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2019-11-23 20:52:31,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 659. [2019-11-23 20:52:31,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 659 states. [2019-11-23 20:52:31,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 888 transitions. [2019-11-23 20:52:31,345 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 888 transitions. Word has length 115 [2019-11-23 20:52:31,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 20:52:31,345 INFO L462 AbstractCegarLoop]: Abstraction has 659 states and 888 transitions. [2019-11-23 20:52:31,345 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-23 20:52:31,345 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 888 transitions. [2019-11-23 20:52:31,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2019-11-23 20:52:31,352 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 20:52:31,353 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2019-11-23 20:52:31,353 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 20:52:31,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 20:52:31,354 INFO L82 PathProgramCache]: Analyzing trace with hash -902281470, now seen corresponding path program 1 times [2019-11-23 20:52:31,354 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 20:52:31,354 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304763154] [2019-11-23 20:52:31,354 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 20:52:31,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 20:52:31,471 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-23 20:52:31,471 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304763154] [2019-11-23 20:52:31,472 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 20:52:31,472 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 20:52:31,472 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466647973] [2019-11-23 20:52:31,472 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 20:52:31,473 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 20:52:31,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 20:52:31,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-23 20:52:31,473 INFO L87 Difference]: Start difference. First operand 659 states and 888 transitions. Second operand 4 states. [2019-11-23 20:52:32,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 20:52:32,228 INFO L93 Difference]: Finished difference Result 1449 states and 1931 transitions. [2019-11-23 20:52:32,231 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-23 20:52:32,231 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 119 [2019-11-23 20:52:32,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 20:52:32,237 INFO L225 Difference]: With dead ends: 1449 [2019-11-23 20:52:32,237 INFO L226 Difference]: Without dead ends: 792 [2019-11-23 20:52:32,239 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-23 20:52:32,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 792 states. [2019-11-23 20:52:32,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 792 to 790. [2019-11-23 20:52:32,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 790 states. [2019-11-23 20:52:32,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 1025 transitions. [2019-11-23 20:52:32,277 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 1025 transitions. Word has length 119 [2019-11-23 20:52:32,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 20:52:32,277 INFO L462 AbstractCegarLoop]: Abstraction has 790 states and 1025 transitions. [2019-11-23 20:52:32,278 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 20:52:32,278 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 1025 transitions. [2019-11-23 20:52:32,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2019-11-23 20:52:32,289 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 20:52:32,290 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 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, 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] [2019-11-23 20:52:32,290 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 20:52:32,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 20:52:32,291 INFO L82 PathProgramCache]: Analyzing trace with hash -51179062, now seen corresponding path program 1 times [2019-11-23 20:52:32,291 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 20:52:32,293 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816437949] [2019-11-23 20:52:32,293 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 20:52:32,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 20:52:32,392 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-23 20:52:32,393 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816437949] [2019-11-23 20:52:32,393 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 20:52:32,393 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 20:52:32,394 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599221228] [2019-11-23 20:52:32,394 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 20:52:32,395 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 20:52:32,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 20:52:32,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 20:52:32,396 INFO L87 Difference]: Start difference. First operand 790 states and 1025 transitions. Second operand 4 states. [2019-11-23 20:52:33,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 20:52:33,122 INFO L93 Difference]: Finished difference Result 1971 states and 2573 transitions. [2019-11-23 20:52:33,128 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-23 20:52:33,128 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 123 [2019-11-23 20:52:33,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 20:52:33,138 INFO L225 Difference]: With dead ends: 1971 [2019-11-23 20:52:33,139 INFO L226 Difference]: Without dead ends: 1314 [2019-11-23 20:52:33,141 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 20:52:33,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1314 states. [2019-11-23 20:52:33,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1314 to 1314. [2019-11-23 20:52:33,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1314 states. [2019-11-23 20:52:33,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 1314 states and 1621 transitions. [2019-11-23 20:52:33,219 INFO L78 Accepts]: Start accepts. Automaton has 1314 states and 1621 transitions. Word has length 123 [2019-11-23 20:52:33,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 20:52:33,221 INFO L462 AbstractCegarLoop]: Abstraction has 1314 states and 1621 transitions. [2019-11-23 20:52:33,221 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 20:52:33,222 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 1621 transitions. [2019-11-23 20:52:33,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2019-11-23 20:52:33,227 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 20:52:33,227 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 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, 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] [2019-11-23 20:52:33,228 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 20:52:33,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 20:52:33,228 INFO L82 PathProgramCache]: Analyzing trace with hash -1499921137, now seen corresponding path program 1 times [2019-11-23 20:52:33,229 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 20:52:33,229 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783693957] [2019-11-23 20:52:33,230 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 20:52:33,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 20:52:33,367 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-23 20:52:33,367 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783693957] [2019-11-23 20:52:33,369 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 20:52:33,369 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-23 20:52:33,369 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094688628] [2019-11-23 20:52:33,370 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-23 20:52:33,370 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 20:52:33,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-23 20:52:33,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 20:52:33,371 INFO L87 Difference]: Start difference. First operand 1314 states and 1621 transitions. Second operand 3 states. [2019-11-23 20:52:33,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 20:52:33,826 INFO L93 Difference]: Finished difference Result 2495 states and 3103 transitions. [2019-11-23 20:52:33,826 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-23 20:52:33,826 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 126 [2019-11-23 20:52:33,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 20:52:33,836 INFO L225 Difference]: With dead ends: 2495 [2019-11-23 20:52:33,836 INFO L226 Difference]: Without dead ends: 1314 [2019-11-23 20:52:33,840 INFO L630 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 [2019-11-23 20:52:33,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1314 states. [2019-11-23 20:52:33,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1314 to 1183. [2019-11-23 20:52:33,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1183 states. [2019-11-23 20:52:33,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 1183 states and 1466 transitions. [2019-11-23 20:52:33,882 INFO L78 Accepts]: Start accepts. Automaton has 1183 states and 1466 transitions. Word has length 126 [2019-11-23 20:52:33,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 20:52:33,884 INFO L462 AbstractCegarLoop]: Abstraction has 1183 states and 1466 transitions. [2019-11-23 20:52:33,884 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-23 20:52:33,884 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 1466 transitions. [2019-11-23 20:52:33,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2019-11-23 20:52:33,889 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 20:52:33,889 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 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, 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] [2019-11-23 20:52:33,889 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 20:52:33,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 20:52:33,890 INFO L82 PathProgramCache]: Analyzing trace with hash -627407316, now seen corresponding path program 1 times [2019-11-23 20:52:33,890 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 20:52:33,891 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997920121] [2019-11-23 20:52:33,891 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 20:52:33,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 20:52:33,983 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2019-11-23 20:52:33,986 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997920121] [2019-11-23 20:52:33,990 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 20:52:33,991 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-23 20:52:33,991 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432053569] [2019-11-23 20:52:33,992 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 20:52:33,998 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 20:52:33,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 20:52:34,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 20:52:34,001 INFO L87 Difference]: Start difference. First operand 1183 states and 1466 transitions. Second operand 4 states. [2019-11-23 20:52:34,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 20:52:34,803 INFO L93 Difference]: Finished difference Result 3541 states and 4421 transitions. [2019-11-23 20:52:34,803 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-23 20:52:34,803 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 132 [2019-11-23 20:52:34,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 20:52:34,804 INFO L225 Difference]: With dead ends: 3541 [2019-11-23 20:52:34,804 INFO L226 Difference]: Without dead ends: 0 [2019-11-23 20:52:34,807 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 20:52:34,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-23 20:52:34,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-23 20:52:34,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-23 20:52:34,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-23 20:52:34,808 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 132 [2019-11-23 20:52:34,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 20:52:34,809 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-23 20:52:34,809 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 20:52:34,809 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-23 20:52:34,809 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-23 20:52:34,814 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-23 20:52:34,906 INFO L444 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2019-11-23 20:52:34,906 INFO L444 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2019-11-23 20:52:34,907 INFO L444 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:52:34,907 INFO L444 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:52:34,907 INFO L444 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:52:34,907 INFO L444 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:52:34,907 INFO L444 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:52:34,907 INFO L444 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:52:34,907 INFO L444 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2019-11-23 20:52:34,908 INFO L444 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2019-11-23 20:52:34,908 INFO L444 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2019-11-23 20:52:34,908 INFO L444 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2019-11-23 20:52:34,908 INFO L444 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2019-11-23 20:52:34,908 INFO L444 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2019-11-23 20:52:34,908 INFO L444 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2019-11-23 20:52:34,908 INFO L444 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2019-11-23 20:52:34,909 INFO L444 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2019-11-23 20:52:34,909 INFO L444 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2019-11-23 20:52:34,909 INFO L444 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:52:34,909 INFO L444 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:52:34,909 INFO L444 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:52:34,909 INFO L444 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:52:34,909 INFO L444 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:52:34,909 INFO L444 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:52:34,910 INFO L444 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2019-11-23 20:52:34,910 INFO L444 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2019-11-23 20:52:34,910 INFO L444 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2019-11-23 20:52:34,910 INFO L444 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2019-11-23 20:52:34,910 INFO L444 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2019-11-23 20:52:34,910 INFO L444 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2019-11-23 20:52:34,910 INFO L444 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2019-11-23 20:52:34,911 INFO L444 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2019-11-23 20:52:34,911 INFO L444 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2019-11-23 20:52:34,911 INFO L444 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2019-11-23 20:52:34,911 INFO L444 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2019-11-23 20:52:34,911 INFO L444 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2019-11-23 20:52:34,911 INFO L444 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2019-11-23 20:52:34,911 INFO L444 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2019-11-23 20:52:34,911 INFO L444 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2019-11-23 20:52:34,912 INFO L444 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:52:34,912 INFO L444 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:52:34,912 INFO L444 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:52:34,912 INFO L444 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:52:34,912 INFO L444 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:52:34,912 INFO L444 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2019-11-23 20:52:34,912 INFO L444 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2019-11-23 20:52:34,913 INFO L444 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2019-11-23 20:52:34,913 INFO L444 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2019-11-23 20:52:34,913 INFO L444 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2019-11-23 20:52:34,913 INFO L444 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2019-11-23 20:52:34,913 INFO L444 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2019-11-23 20:52:34,913 INFO L444 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2019-11-23 20:52:34,913 INFO L444 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2019-11-23 20:52:34,914 INFO L440 ceAbstractionStarter]: At program point L574(lines 30 575) the Hoare annotation is: (let ((.cse0 (not (= ~a16~0 6))) (.cse1 (= ~a21~0 1))) (or (and .cse0 .cse1) (and .cse0 (= ~a17~0 1)) (= ~a20~0 1) (and (not (= 1 ~a7~0)) .cse1))) [2019-11-23 20:52:34,914 INFO L444 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:52:34,914 INFO L444 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:52:34,914 INFO L444 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:52:34,914 INFO L444 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:52:34,915 INFO L444 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:52:34,915 INFO L444 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2019-11-23 20:52:34,915 INFO L444 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2019-11-23 20:52:34,915 INFO L444 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2019-11-23 20:52:34,915 INFO L444 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2019-11-23 20:52:34,915 INFO L444 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2019-11-23 20:52:34,915 INFO L444 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2019-11-23 20:52:34,915 INFO L444 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2019-11-23 20:52:34,916 INFO L444 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2019-11-23 20:52:34,916 INFO L444 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2019-11-23 20:52:34,916 INFO L444 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2019-11-23 20:52:34,916 INFO L444 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2019-11-23 20:52:34,916 INFO L444 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2019-11-23 20:52:34,916 INFO L444 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2019-11-23 20:52:34,916 INFO L447 ceAbstractionStarter]: At program point L577(lines 577 594) the Hoare annotation is: true [2019-11-23 20:52:34,916 INFO L444 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:52:34,917 INFO L444 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:52:34,917 INFO L444 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:52:34,917 INFO L444 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:52:34,917 INFO L444 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:52:34,917 INFO L444 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2019-11-23 20:52:34,917 INFO L444 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2019-11-23 20:52:34,917 INFO L444 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2019-11-23 20:52:34,917 INFO L444 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2019-11-23 20:52:34,918 INFO L444 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2019-11-23 20:52:34,918 INFO L444 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2019-11-23 20:52:34,918 INFO L444 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2019-11-23 20:52:34,918 INFO L444 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2019-11-23 20:52:34,918 INFO L444 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2019-11-23 20:52:34,918 INFO L444 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:52:34,918 INFO L444 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:52:34,918 INFO L444 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:52:34,918 INFO L444 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:52:34,919 INFO L444 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2019-11-23 20:52:34,919 INFO L444 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:52:34,919 INFO L444 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2019-11-23 20:52:34,919 INFO L444 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2019-11-23 20:52:34,919 INFO L444 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2019-11-23 20:52:34,919 INFO L444 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2019-11-23 20:52:34,919 INFO L444 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2019-11-23 20:52:34,919 INFO L444 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2019-11-23 20:52:34,920 INFO L444 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2019-11-23 20:52:34,920 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-23 20:52:34,920 INFO L444 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2019-11-23 20:52:34,920 INFO L444 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2019-11-23 20:52:34,920 INFO L444 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2019-11-23 20:52:34,920 INFO L444 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2019-11-23 20:52:34,920 INFO L444 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2019-11-23 20:52:34,921 INFO L444 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2019-11-23 20:52:34,921 INFO L444 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:52:34,921 INFO L440 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse0 (not (= ~a16~0 6))) (.cse1 (= ~a21~0 1))) (or (and .cse0 .cse1) (and .cse0 (= ~a17~0 1)) (= ~a20~0 1) (and (not (= 1 ~a7~0)) .cse1))) [2019-11-23 20:52:34,921 INFO L444 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:52:34,921 INFO L444 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:52:34,921 INFO L444 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:52:34,921 INFO L444 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:52:34,922 INFO L444 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2019-11-23 20:52:34,922 INFO L444 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2019-11-23 20:52:34,922 INFO L444 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2019-11-23 20:52:34,922 INFO L444 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2019-11-23 20:52:34,922 INFO L444 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2019-11-23 20:52:34,922 INFO L444 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2019-11-23 20:52:34,922 INFO L444 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2019-11-23 20:52:34,922 INFO L444 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2019-11-23 20:52:34,923 INFO L444 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:52:34,923 INFO L444 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:52:34,923 INFO L444 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:52:34,923 INFO L444 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:52:34,923 INFO L444 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:52:34,923 INFO L444 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2019-11-23 20:52:34,923 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-23 20:52:34,924 INFO L444 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2019-11-23 20:52:34,924 INFO L444 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2019-11-23 20:52:34,924 INFO L444 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2019-11-23 20:52:34,924 INFO L444 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2019-11-23 20:52:34,924 INFO L444 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2019-11-23 20:52:34,924 INFO L444 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2019-11-23 20:52:34,924 INFO L444 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2019-11-23 20:52:34,925 INFO L444 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2019-11-23 20:52:34,925 INFO L444 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2019-11-23 20:52:34,925 INFO L444 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2019-11-23 20:52:34,925 INFO L444 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2019-11-23 20:52:34,925 INFO L444 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:52:34,925 INFO L444 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:52:34,925 INFO L444 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:52:34,925 INFO L444 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:52:34,926 INFO L444 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2019-11-23 20:52:34,926 INFO L444 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:52:34,926 INFO L444 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:52:34,926 INFO L444 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2019-11-23 20:52:34,926 INFO L444 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2019-11-23 20:52:34,926 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-23 20:52:34,926 INFO L444 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2019-11-23 20:52:34,926 INFO L444 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2019-11-23 20:52:34,927 INFO L444 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2019-11-23 20:52:34,927 INFO L444 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2019-11-23 20:52:34,927 INFO L444 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2019-11-23 20:52:34,927 INFO L444 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2019-11-23 20:52:34,927 INFO L444 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2019-11-23 20:52:34,927 INFO L444 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2019-11-23 20:52:34,927 INFO L444 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2019-11-23 20:52:34,927 INFO L444 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2019-11-23 20:52:34,928 INFO L444 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:52:34,928 INFO L444 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:52:34,928 INFO L444 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:52:34,928 INFO L444 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:52:34,928 INFO L444 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:52:34,928 INFO L444 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2019-11-23 20:52:34,928 INFO L444 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:52:34,928 INFO L444 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2019-11-23 20:52:34,928 INFO L444 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2019-11-23 20:52:34,929 INFO L444 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2019-11-23 20:52:34,929 INFO L444 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2019-11-23 20:52:34,929 INFO L444 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2019-11-23 20:52:34,929 INFO L444 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2019-11-23 20:52:34,929 INFO L444 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2019-11-23 20:52:34,929 INFO L444 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2019-11-23 20:52:34,929 INFO L444 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2019-11-23 20:52:34,929 INFO L444 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2019-11-23 20:52:34,929 INFO L444 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2019-11-23 20:52:34,930 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-23 20:52:34,930 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 452) no Hoare annotation was computed. [2019-11-23 20:52:34,930 INFO L444 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2019-11-23 20:52:34,930 INFO L444 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2019-11-23 20:52:34,930 INFO L444 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2019-11-23 20:52:34,930 INFO L444 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:52:34,930 INFO L444 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:52:34,931 INFO L444 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:52:34,931 INFO L444 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:52:34,931 INFO L444 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:52:34,931 INFO L444 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:52:34,931 INFO L444 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2019-11-23 20:52:34,931 INFO L444 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2019-11-23 20:52:34,931 INFO L444 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2019-11-23 20:52:34,931 INFO L444 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2019-11-23 20:52:34,931 INFO L444 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2019-11-23 20:52:34,932 INFO L444 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2019-11-23 20:52:34,932 INFO L444 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2019-11-23 20:52:34,932 INFO L444 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2019-11-23 20:52:34,932 INFO L444 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2019-11-23 20:52:34,932 INFO L444 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2019-11-23 20:52:34,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 08:52:34 BoogieIcfgContainer [2019-11-23 20:52:34,950 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-23 20:52:34,952 INFO L168 Benchmark]: Toolchain (without parser) took 8997.43 ms. Allocated memory was 138.9 MB in the beginning and 323.5 MB in the end (delta: 184.5 MB). Free memory was 101.2 MB in the beginning and 175.4 MB in the end (delta: -74.2 MB). Peak memory consumption was 110.4 MB. Max. memory is 7.1 GB. [2019-11-23 20:52:34,953 INFO L168 Benchmark]: CDTParser took 1.47 ms. Allocated memory is still 138.9 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-11-23 20:52:34,954 INFO L168 Benchmark]: CACSL2BoogieTranslator took 828.37 ms. Allocated memory was 138.9 MB in the beginning and 206.6 MB in the end (delta: 67.6 MB). Free memory was 101.0 MB in the beginning and 173.4 MB in the end (delta: -72.4 MB). Peak memory consumption was 35.8 MB. Max. memory is 7.1 GB. [2019-11-23 20:52:34,955 INFO L168 Benchmark]: Boogie Procedure Inliner took 88.95 ms. Allocated memory is still 206.6 MB. Free memory was 172.7 MB in the beginning and 167.2 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 7.1 GB. [2019-11-23 20:52:34,956 INFO L168 Benchmark]: Boogie Preprocessor took 76.78 ms. Allocated memory is still 206.6 MB. Free memory was 167.2 MB in the beginning and 162.3 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2019-11-23 20:52:34,957 INFO L168 Benchmark]: RCFGBuilder took 1326.56 ms. Allocated memory was 206.6 MB in the beginning and 240.1 MB in the end (delta: 33.6 MB). Free memory was 162.3 MB in the beginning and 173.3 MB in the end (delta: -11.0 MB). Peak memory consumption was 78.8 MB. Max. memory is 7.1 GB. [2019-11-23 20:52:34,958 INFO L168 Benchmark]: TraceAbstraction took 6671.46 ms. Allocated memory was 240.1 MB in the beginning and 323.5 MB in the end (delta: 83.4 MB). Free memory was 173.3 MB in the beginning and 175.4 MB in the end (delta: -2.1 MB). Peak memory consumption was 81.3 MB. Max. memory is 7.1 GB. [2019-11-23 20:52:34,962 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.47 ms. Allocated memory is still 138.9 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 828.37 ms. Allocated memory was 138.9 MB in the beginning and 206.6 MB in the end (delta: 67.6 MB). Free memory was 101.0 MB in the beginning and 173.4 MB in the end (delta: -72.4 MB). Peak memory consumption was 35.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 88.95 ms. Allocated memory is still 206.6 MB. Free memory was 172.7 MB in the beginning and 167.2 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 76.78 ms. Allocated memory is still 206.6 MB. Free memory was 167.2 MB in the beginning and 162.3 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1326.56 ms. Allocated memory was 206.6 MB in the beginning and 240.1 MB in the end (delta: 33.6 MB). Free memory was 162.3 MB in the beginning and 173.3 MB in the end (delta: -11.0 MB). Peak memory consumption was 78.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 6671.46 ms. Allocated memory was 240.1 MB in the beginning and 323.5 MB in the end (delta: 83.4 MB). Free memory was 173.3 MB in the beginning and 175.4 MB in the end (delta: -2.1 MB). Peak memory consumption was 81.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 452]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((!(a16 == 6) && a21 == 1) || (!(a16 == 6) && a17 == 1)) || a20 == 1) || (!(1 == a7) && a21 == 1) - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((!(a16 == 6) && a21 == 1) || (!(a16 == 6) && a17 == 1)) || a20 == 1) || (!(1 == a7) && a21 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 198 locations, 1 error locations. Result: SAFE, OverallTime: 6.5s, OverallIterations: 7, TraceHistogramMax: 5, AutomataDifference: 4.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 300 SDtfs, 1354 SDslu, 49 SDs, 0 SdLazy, 2868 SolverSat, 601 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1314occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 264 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 43 NumberOfFragments, 57 HoareAnnotationTreeSize, 3 FomulaSimplifications, 767 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 14 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 803 NumberOfCodeBlocks, 803 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 796 ConstructedInterpolants, 0 QuantifiedInterpolants, 194570 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 247/247 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...