/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/Problem02_label42.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-23 20:54:37,444 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-23 20:54:37,446 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-23 20:54:37,456 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-11-23 20:54:37,472 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-23 20:54:37,480 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-23 20:54:37,481 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-23 20:54:37,482 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-23 20:54:37,483 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-23 20:54:37,485 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-23 20:54:37,487 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-23 20:54:37,489 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-23 20:54:37,492 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-23 20:54:37,493 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-23 20:54:37,494 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-23 20:54:37,495 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-23 20:54:37,498 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-23 20:54:37,510 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 20:54:37,530 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-23 20:54:37,531 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-23 20:54:37,534 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-23 20:54:37,534 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-23 20:54:37,535 INFO L138 SettingsManager]: * Use SBE=true [2019-11-23 20:54:37,535 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-23 20:54:37,535 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-23 20:54:37,535 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-23 20:54:37,535 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-23 20:54:37,536 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-23 20:54:37,537 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-23 20:54:37,537 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-23 20:54:37,537 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-23 20:54:37,538 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-23 20:54:37,538 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-23 20:54:37,538 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-23 20:54:37,538 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-23 20:54:37,538 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-23 20:54:37,539 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-23 20:54:37,539 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-23 20:54:37,539 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-23 20:54:37,539 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-23 20:54:37,540 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-23 20:54:37,540 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-23 20:54:37,540 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-23 20:54:37,540 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-23 20:54:37,540 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-23 20:54:37,541 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-23 20:54:37,541 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-23 20:54:37,541 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-23 20:54:37,805 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-23 20:54:37,817 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-23 20:54:37,821 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-23 20:54:37,822 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-23 20:54:37,823 INFO L275 PluginConnector]: CDTParser initialized [2019-11-23 20:54:37,823 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label42.c [2019-11-23 20:54:37,894 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c37cd2ee/f408a039743a4580888048b8a6f8c29d/FLAGa9466d3bb [2019-11-23 20:54:38,422 INFO L306 CDTParser]: Found 1 translation units. [2019-11-23 20:54:38,423 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label42.c [2019-11-23 20:54:38,440 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c37cd2ee/f408a039743a4580888048b8a6f8c29d/FLAGa9466d3bb [2019-11-23 20:54:38,728 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c37cd2ee/f408a039743a4580888048b8a6f8c29d [2019-11-23 20:54:38,735 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-23 20:54:38,737 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-23 20:54:38,738 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-23 20:54:38,738 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-23 20:54:38,742 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-23 20:54:38,743 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:54:38" (1/1) ... [2019-11-23 20:54:38,745 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cf64b34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:54:38, skipping insertion in model container [2019-11-23 20:54:38,746 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:54:38" (1/1) ... [2019-11-23 20:54:38,753 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-23 20:54:38,809 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-23 20:54:39,453 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 20:54:39,461 INFO L203 MainTranslator]: Completed pre-run [2019-11-23 20:54:39,594 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 20:54:39,608 INFO L208 MainTranslator]: Completed translation [2019-11-23 20:54:39,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:54:39 WrapperNode [2019-11-23 20:54:39,609 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-23 20:54:39,610 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-23 20:54:39,610 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-23 20:54:39,610 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-23 20:54:39,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:54:39" (1/1) ... [2019-11-23 20:54:39,635 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:54:39" (1/1) ... [2019-11-23 20:54:39,690 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-23 20:54:39,690 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-23 20:54:39,690 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-23 20:54:39,691 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-23 20:54:39,702 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:54:39" (1/1) ... [2019-11-23 20:54:39,702 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:54:39" (1/1) ... [2019-11-23 20:54:39,706 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:54:39" (1/1) ... [2019-11-23 20:54:39,706 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:54:39" (1/1) ... [2019-11-23 20:54:39,738 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:54:39" (1/1) ... [2019-11-23 20:54:39,756 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:54:39" (1/1) ... [2019-11-23 20:54:39,766 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:54:39" (1/1) ... [2019-11-23 20:54:39,777 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-23 20:54:39,778 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-23 20:54:39,778 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-23 20:54:39,778 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-23 20:54:39,779 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:54:39" (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 20:54:39,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-23 20:54:39,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-23 20:54:41,087 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-23 20:54:41,088 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-23 20:54:41,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:54:41 BoogieIcfgContainer [2019-11-23 20:54:41,089 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-23 20:54:41,091 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-23 20:54:41,091 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-23 20:54:41,094 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-23 20:54:41,095 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:54:38" (1/3) ... [2019-11-23 20:54:41,096 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77f4fd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:54:41, skipping insertion in model container [2019-11-23 20:54:41,096 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:54:39" (2/3) ... [2019-11-23 20:54:41,096 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77f4fd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:54:41, skipping insertion in model container [2019-11-23 20:54:41,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:54:41" (3/3) ... [2019-11-23 20:54:41,099 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label42.c [2019-11-23 20:54:41,109 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-23 20:54:41,118 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-23 20:54:41,130 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-23 20:54:41,168 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-23 20:54:41,168 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-23 20:54:41,168 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-23 20:54:41,169 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-23 20:54:41,169 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-23 20:54:41,170 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-23 20:54:41,170 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-23 20:54:41,170 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-23 20:54:41,197 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states. [2019-11-23 20:54:41,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2019-11-23 20:54:41,213 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 20:54:41,215 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, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 20:54:41,215 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 20:54:41,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 20:54:41,222 INFO L82 PathProgramCache]: Analyzing trace with hash 499493077, now seen corresponding path program 1 times [2019-11-23 20:54:41,231 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 20:54:41,232 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335646326] [2019-11-23 20:54:41,232 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 20:54:41,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 20:54:41,685 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 20:54:41,687 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335646326] [2019-11-23 20:54:41,688 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 20:54:41,688 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 20:54:41,691 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542051186] [2019-11-23 20:54:41,701 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 20:54:41,701 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 20:54:41,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 20:54:41,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 20:54:41,722 INFO L87 Difference]: Start difference. First operand 227 states. Second operand 4 states. [2019-11-23 20:54:43,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 20:54:43,345 INFO L93 Difference]: Finished difference Result 748 states and 1324 transitions. [2019-11-23 20:54:43,346 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-23 20:54:43,347 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 100 [2019-11-23 20:54:43,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 20:54:43,366 INFO L225 Difference]: With dead ends: 748 [2019-11-23 20:54:43,367 INFO L226 Difference]: Without dead ends: 454 [2019-11-23 20:54:43,372 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 20:54:43,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2019-11-23 20:54:43,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 451. [2019-11-23 20:54:43,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 451 states. [2019-11-23 20:54:43,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 616 transitions. [2019-11-23 20:54:43,451 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 616 transitions. Word has length 100 [2019-11-23 20:54:43,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 20:54:43,452 INFO L462 AbstractCegarLoop]: Abstraction has 451 states and 616 transitions. [2019-11-23 20:54:43,452 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 20:54:43,452 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 616 transitions. [2019-11-23 20:54:43,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2019-11-23 20:54:43,459 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 20:54:43,461 INFO L410 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:54:43,461 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 20:54:43,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 20:54:43,462 INFO L82 PathProgramCache]: Analyzing trace with hash 396760741, now seen corresponding path program 1 times [2019-11-23 20:54:43,462 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 20:54:43,463 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382434402] [2019-11-23 20:54:43,463 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 20:54:43,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 20:54:43,585 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 20:54:43,585 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382434402] [2019-11-23 20:54:43,586 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 20:54:43,586 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-23 20:54:43,586 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539828973] [2019-11-23 20:54:43,588 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-23 20:54:43,588 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 20:54:43,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-23 20:54:43,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 20:54:43,589 INFO L87 Difference]: Start difference. First operand 451 states and 616 transitions. Second operand 3 states. [2019-11-23 20:54:44,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 20:54:44,207 INFO L93 Difference]: Finished difference Result 1323 states and 1809 transitions. [2019-11-23 20:54:44,207 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-23 20:54:44,208 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 117 [2019-11-23 20:54:44,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 20:54:44,213 INFO L225 Difference]: With dead ends: 1323 [2019-11-23 20:54:44,213 INFO L226 Difference]: Without dead ends: 874 [2019-11-23 20:54:44,215 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 20:54:44,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 874 states. [2019-11-23 20:54:44,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 874 to 874. [2019-11-23 20:54:44,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 874 states. [2019-11-23 20:54:44,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 874 states and 1139 transitions. [2019-11-23 20:54:44,262 INFO L78 Accepts]: Start accepts. Automaton has 874 states and 1139 transitions. Word has length 117 [2019-11-23 20:54:44,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 20:54:44,265 INFO L462 AbstractCegarLoop]: Abstraction has 874 states and 1139 transitions. [2019-11-23 20:54:44,265 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-23 20:54:44,265 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 1139 transitions. [2019-11-23 20:54:44,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-11-23 20:54:44,278 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 20:54:44,278 INFO L410 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:54:44,278 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 20:54:44,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 20:54:44,279 INFO L82 PathProgramCache]: Analyzing trace with hash 1844290899, now seen corresponding path program 1 times [2019-11-23 20:54:44,279 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 20:54:44,279 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749442761] [2019-11-23 20:54:44,280 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 20:54:44,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 20:54:44,391 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 20:54:44,392 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749442761] [2019-11-23 20:54:44,392 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 20:54:44,392 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 20:54:44,393 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008121664] [2019-11-23 20:54:44,393 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 20:54:44,394 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 20:54:44,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 20:54:44,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 20:54:44,394 INFO L87 Difference]: Start difference. First operand 874 states and 1139 transitions. Second operand 4 states. [2019-11-23 20:54:44,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 20:54:44,925 INFO L93 Difference]: Finished difference Result 2154 states and 2796 transitions. [2019-11-23 20:54:44,925 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-23 20:54:44,925 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 133 [2019-11-23 20:54:44,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 20:54:44,932 INFO L225 Difference]: With dead ends: 2154 [2019-11-23 20:54:44,932 INFO L226 Difference]: Without dead ends: 1282 [2019-11-23 20:54:44,934 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 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 20:54:44,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1282 states. [2019-11-23 20:54:44,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1282 to 862. [2019-11-23 20:54:44,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 862 states. [2019-11-23 20:54:44,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 862 states and 1063 transitions. [2019-11-23 20:54:44,963 INFO L78 Accepts]: Start accepts. Automaton has 862 states and 1063 transitions. Word has length 133 [2019-11-23 20:54:44,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 20:54:44,964 INFO L462 AbstractCegarLoop]: Abstraction has 862 states and 1063 transitions. [2019-11-23 20:54:44,964 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 20:54:44,964 INFO L276 IsEmpty]: Start isEmpty. Operand 862 states and 1063 transitions. [2019-11-23 20:54:44,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2019-11-23 20:54:44,967 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 20:54:44,968 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 20:54:44,968 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 20:54:44,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 20:54:44,968 INFO L82 PathProgramCache]: Analyzing trace with hash 1961644753, now seen corresponding path program 1 times [2019-11-23 20:54:44,969 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 20:54:44,969 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958870063] [2019-11-23 20:54:44,969 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 20:54:44,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 20:54:45,074 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-23 20:54:45,075 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958870063] [2019-11-23 20:54:45,075 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 20:54:45,075 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 20:54:45,076 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518548993] [2019-11-23 20:54:45,076 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-23 20:54:45,076 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 20:54:45,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-23 20:54:45,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 20:54:45,077 INFO L87 Difference]: Start difference. First operand 862 states and 1063 transitions. Second operand 3 states. [2019-11-23 20:54:45,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 20:54:45,520 INFO L93 Difference]: Finished difference Result 2286 states and 2790 transitions. [2019-11-23 20:54:45,520 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-23 20:54:45,520 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 139 [2019-11-23 20:54:45,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 20:54:45,527 INFO L225 Difference]: With dead ends: 2286 [2019-11-23 20:54:45,527 INFO L226 Difference]: Without dead ends: 1426 [2019-11-23 20:54:45,529 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 20:54:45,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1426 states. [2019-11-23 20:54:45,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1426 to 1143. [2019-11-23 20:54:45,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1143 states. [2019-11-23 20:54:45,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1143 states to 1143 states and 1399 transitions. [2019-11-23 20:54:45,558 INFO L78 Accepts]: Start accepts. Automaton has 1143 states and 1399 transitions. Word has length 139 [2019-11-23 20:54:45,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 20:54:45,558 INFO L462 AbstractCegarLoop]: Abstraction has 1143 states and 1399 transitions. [2019-11-23 20:54:45,558 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-23 20:54:45,558 INFO L276 IsEmpty]: Start isEmpty. Operand 1143 states and 1399 transitions. [2019-11-23 20:54:45,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2019-11-23 20:54:45,561 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 20:54:45,562 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 20:54:45,562 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 20:54:45,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 20:54:45,562 INFO L82 PathProgramCache]: Analyzing trace with hash -435160690, now seen corresponding path program 1 times [2019-11-23 20:54:45,563 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 20:54:45,563 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641189723] [2019-11-23 20:54:45,563 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 20:54:45,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 20:54:45,620 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-11-23 20:54:45,620 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641189723] [2019-11-23 20:54:45,621 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 20:54:45,621 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 20:54:45,621 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19946597] [2019-11-23 20:54:45,622 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-23 20:54:45,622 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 20:54:45,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-23 20:54:45,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 20:54:45,622 INFO L87 Difference]: Start difference. First operand 1143 states and 1399 transitions. Second operand 3 states. [2019-11-23 20:54:46,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 20:54:46,090 INFO L93 Difference]: Finished difference Result 2566 states and 3148 transitions. [2019-11-23 20:54:46,090 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-23 20:54:46,090 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 144 [2019-11-23 20:54:46,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 20:54:46,097 INFO L225 Difference]: With dead ends: 2566 [2019-11-23 20:54:46,097 INFO L226 Difference]: Without dead ends: 1425 [2019-11-23 20:54:46,099 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 20:54:46,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1425 states. [2019-11-23 20:54:46,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1425 to 1423. [2019-11-23 20:54:46,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1423 states. [2019-11-23 20:54:46,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1423 states to 1423 states and 1704 transitions. [2019-11-23 20:54:46,127 INFO L78 Accepts]: Start accepts. Automaton has 1423 states and 1704 transitions. Word has length 144 [2019-11-23 20:54:46,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 20:54:46,127 INFO L462 AbstractCegarLoop]: Abstraction has 1423 states and 1704 transitions. [2019-11-23 20:54:46,127 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-23 20:54:46,128 INFO L276 IsEmpty]: Start isEmpty. Operand 1423 states and 1704 transitions. [2019-11-23 20:54:46,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-11-23 20:54:46,131 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 20:54:46,131 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1] [2019-11-23 20:54:46,131 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 20:54:46,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 20:54:46,132 INFO L82 PathProgramCache]: Analyzing trace with hash -266021720, now seen corresponding path program 1 times [2019-11-23 20:54:46,132 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 20:54:46,132 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845703435] [2019-11-23 20:54:46,132 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 20:54:46,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 20:54:46,194 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-23 20:54:46,195 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845703435] [2019-11-23 20:54:46,195 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 20:54:46,195 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-23 20:54:46,195 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758017910] [2019-11-23 20:54:46,196 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 20:54:46,196 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 20:54:46,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 20:54:46,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 20:54:46,197 INFO L87 Difference]: Start difference. First operand 1423 states and 1704 transitions. Second operand 4 states. [2019-11-23 20:54:47,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 20:54:47,026 INFO L93 Difference]: Finished difference Result 3404 states and 4091 transitions. [2019-11-23 20:54:47,026 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-23 20:54:47,027 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 146 [2019-11-23 20:54:47,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 20:54:47,034 INFO L225 Difference]: With dead ends: 3404 [2019-11-23 20:54:47,034 INFO L226 Difference]: Without dead ends: 1700 [2019-11-23 20:54:47,037 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 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 20:54:47,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1700 states. [2019-11-23 20:54:47,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1700 to 1560. [2019-11-23 20:54:47,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1560 states. [2019-11-23 20:54:47,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1560 states to 1560 states and 1725 transitions. [2019-11-23 20:54:47,065 INFO L78 Accepts]: Start accepts. Automaton has 1560 states and 1725 transitions. Word has length 146 [2019-11-23 20:54:47,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 20:54:47,066 INFO L462 AbstractCegarLoop]: Abstraction has 1560 states and 1725 transitions. [2019-11-23 20:54:47,066 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 20:54:47,066 INFO L276 IsEmpty]: Start isEmpty. Operand 1560 states and 1725 transitions. [2019-11-23 20:54:47,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-11-23 20:54:47,069 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 20:54:47,069 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1] [2019-11-23 20:54:47,070 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 20:54:47,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 20:54:47,070 INFO L82 PathProgramCache]: Analyzing trace with hash 1950870258, now seen corresponding path program 1 times [2019-11-23 20:54:47,070 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 20:54:47,071 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274343899] [2019-11-23 20:54:47,071 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 20:54:47,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 20:54:47,209 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-23 20:54:47,210 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274343899] [2019-11-23 20:54:47,210 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [624702003] [2019-11-23 20:54:47,210 INFO L94 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 [2019-11-23 20:54:47,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 20:54:47,296 INFO L255 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-23 20:54:47,306 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-23 20:54:47,338 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-23 20:54:47,338 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-23 20:54:47,338 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2019-11-23 20:54:47,339 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342013290] [2019-11-23 20:54:47,339 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-23 20:54:47,339 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 20:54:47,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-23 20:54:47,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-23 20:54:47,340 INFO L87 Difference]: Start difference. First operand 1560 states and 1725 transitions. Second operand 3 states. [2019-11-23 20:54:47,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 20:54:47,839 INFO L93 Difference]: Finished difference Result 3397 states and 3747 transitions. [2019-11-23 20:54:47,844 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-23 20:54:47,844 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 150 [2019-11-23 20:54:47,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 20:54:47,851 INFO L225 Difference]: With dead ends: 3397 [2019-11-23 20:54:47,851 INFO L226 Difference]: Without dead ends: 1697 [2019-11-23 20:54:47,853 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-23 20:54:47,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1697 states. [2019-11-23 20:54:47,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1697 to 1695. [2019-11-23 20:54:47,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1695 states. [2019-11-23 20:54:47,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1695 states to 1695 states and 1803 transitions. [2019-11-23 20:54:47,881 INFO L78 Accepts]: Start accepts. Automaton has 1695 states and 1803 transitions. Word has length 150 [2019-11-23 20:54:47,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 20:54:47,881 INFO L462 AbstractCegarLoop]: Abstraction has 1695 states and 1803 transitions. [2019-11-23 20:54:47,881 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-23 20:54:47,881 INFO L276 IsEmpty]: Start isEmpty. Operand 1695 states and 1803 transitions. [2019-11-23 20:54:47,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2019-11-23 20:54:47,885 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 20:54:47,885 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:54:48,089 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 20:54:48,089 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 20:54:48,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 20:54:48,090 INFO L82 PathProgramCache]: Analyzing trace with hash 1731681118, now seen corresponding path program 1 times [2019-11-23 20:54:48,090 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 20:54:48,091 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70016588] [2019-11-23 20:54:48,091 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 20:54:48,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 20:54:48,239 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 78 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-23 20:54:48,239 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70016588] [2019-11-23 20:54:48,240 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [97975360] [2019-11-23 20:54:48,240 INFO L94 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 [2019-11-23 20:54:48,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 20:54:48,317 INFO L255 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-23 20:54:48,323 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-23 20:54:48,393 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-23 20:54:48,393 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-23 20:54:48,394 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 7 [2019-11-23 20:54:48,394 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193014572] [2019-11-23 20:54:48,395 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-23 20:54:48,395 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 20:54:48,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-23 20:54:48,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-11-23 20:54:48,401 INFO L87 Difference]: Start difference. First operand 1695 states and 1803 transitions. Second operand 3 states. [2019-11-23 20:54:49,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 20:54:49,021 INFO L93 Difference]: Finished difference Result 4518 states and 4819 transitions. [2019-11-23 20:54:49,022 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-23 20:54:49,022 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 168 [2019-11-23 20:54:49,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 20:54:49,034 INFO L225 Difference]: With dead ends: 4518 [2019-11-23 20:54:49,034 INFO L226 Difference]: Without dead ends: 2965 [2019-11-23 20:54:49,037 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-11-23 20:54:49,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2965 states. [2019-11-23 20:54:49,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2965 to 2965. [2019-11-23 20:54:49,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2965 states. [2019-11-23 20:54:49,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2965 states to 2965 states and 3160 transitions. [2019-11-23 20:54:49,118 INFO L78 Accepts]: Start accepts. Automaton has 2965 states and 3160 transitions. Word has length 168 [2019-11-23 20:54:49,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 20:54:49,118 INFO L462 AbstractCegarLoop]: Abstraction has 2965 states and 3160 transitions. [2019-11-23 20:54:49,119 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-23 20:54:49,119 INFO L276 IsEmpty]: Start isEmpty. Operand 2965 states and 3160 transitions. [2019-11-23 20:54:49,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2019-11-23 20:54:49,124 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 20:54:49,124 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:54:49,328 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 20:54:49,328 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 20:54:49,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 20:54:49,329 INFO L82 PathProgramCache]: Analyzing trace with hash 1863728915, now seen corresponding path program 1 times [2019-11-23 20:54:49,329 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 20:54:49,329 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406753616] [2019-11-23 20:54:49,329 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 20:54:49,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 20:54:49,384 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-11-23 20:54:49,384 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406753616] [2019-11-23 20:54:49,385 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 20:54:49,385 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 20:54:49,385 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451381459] [2019-11-23 20:54:49,386 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-23 20:54:49,386 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 20:54:49,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-23 20:54:49,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 20:54:49,386 INFO L87 Difference]: Start difference. First operand 2965 states and 3160 transitions. Second operand 3 states. [2019-11-23 20:54:49,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 20:54:49,798 INFO L93 Difference]: Finished difference Result 4660 states and 4962 transitions. [2019-11-23 20:54:49,798 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-23 20:54:49,798 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 172 [2019-11-23 20:54:49,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 20:54:49,807 INFO L225 Difference]: With dead ends: 4660 [2019-11-23 20:54:49,808 INFO L226 Difference]: Without dead ends: 2965 [2019-11-23 20:54:49,809 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 20:54:49,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2965 states. [2019-11-23 20:54:49,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2965 to 2825. [2019-11-23 20:54:49,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2825 states. [2019-11-23 20:54:49,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2825 states to 2825 states and 3011 transitions. [2019-11-23 20:54:49,853 INFO L78 Accepts]: Start accepts. Automaton has 2825 states and 3011 transitions. Word has length 172 [2019-11-23 20:54:49,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 20:54:49,853 INFO L462 AbstractCegarLoop]: Abstraction has 2825 states and 3011 transitions. [2019-11-23 20:54:49,853 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-23 20:54:49,854 INFO L276 IsEmpty]: Start isEmpty. Operand 2825 states and 3011 transitions. [2019-11-23 20:54:49,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2019-11-23 20:54:49,858 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 20:54:49,859 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 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, 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] [2019-11-23 20:54:49,859 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 20:54:49,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 20:54:49,859 INFO L82 PathProgramCache]: Analyzing trace with hash 927349297, now seen corresponding path program 1 times [2019-11-23 20:54:49,860 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 20:54:49,860 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835995628] [2019-11-23 20:54:49,860 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 20:54:49,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 20:54:49,935 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-23 20:54:49,936 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835995628] [2019-11-23 20:54:49,936 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 20:54:49,937 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 20:54:49,937 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842696897] [2019-11-23 20:54:49,938 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-23 20:54:49,938 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 20:54:49,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-23 20:54:49,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 20:54:49,941 INFO L87 Difference]: Start difference. First operand 2825 states and 3011 transitions. Second operand 3 states. [2019-11-23 20:54:50,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 20:54:50,368 INFO L93 Difference]: Finished difference Result 3665 states and 3891 transitions. [2019-11-23 20:54:50,369 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-23 20:54:50,370 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 193 [2019-11-23 20:54:50,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 20:54:50,370 INFO L225 Difference]: With dead ends: 3665 [2019-11-23 20:54:50,370 INFO L226 Difference]: Without dead ends: 0 [2019-11-23 20:54:50,373 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 20:54:50,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-23 20:54:50,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-23 20:54:50,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-23 20:54:50,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-23 20:54:50,374 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 193 [2019-11-23 20:54:50,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 20:54:50,374 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-23 20:54:50,374 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-23 20:54:50,374 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-23 20:54:50,374 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-23 20:54:50,378 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-23 20:54:50,749 WARN L192 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 45 [2019-11-23 20:54:51,054 WARN L192 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 45 [2019-11-23 20:54:51,059 INFO L444 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:51,059 INFO L444 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:51,059 INFO L444 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:51,059 INFO L444 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2019-11-23 20:54:51,059 INFO L444 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2019-11-23 20:54:51,060 INFO L444 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2019-11-23 20:54:51,060 INFO L444 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2019-11-23 20:54:51,060 INFO L444 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2019-11-23 20:54:51,060 INFO L444 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2019-11-23 20:54:51,060 INFO L444 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2019-11-23 20:54:51,061 INFO L444 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:51,061 INFO L444 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:51,061 INFO L444 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:51,061 INFO L444 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2019-11-23 20:54:51,061 INFO L444 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2019-11-23 20:54:51,062 INFO L444 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2019-11-23 20:54:51,062 INFO L444 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2019-11-23 20:54:51,062 INFO L444 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2019-11-23 20:54:51,062 INFO L444 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2019-11-23 20:54:51,062 INFO L444 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2019-11-23 20:54:51,063 INFO L444 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:51,063 INFO L444 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:51,063 INFO L444 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:51,063 INFO L444 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2019-11-23 20:54:51,063 INFO L444 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2019-11-23 20:54:51,063 INFO L444 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2019-11-23 20:54:51,063 INFO L444 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2019-11-23 20:54:51,064 INFO L444 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2019-11-23 20:54:51,064 INFO L444 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:51,064 INFO L444 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:51,064 INFO L444 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:51,064 INFO L444 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2019-11-23 20:54:51,064 INFO L444 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2019-11-23 20:54:51,064 INFO L444 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2019-11-23 20:54:51,064 INFO L444 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2019-11-23 20:54:51,065 INFO L444 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2019-11-23 20:54:51,065 INFO L444 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2019-11-23 20:54:51,065 INFO L444 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2019-11-23 20:54:51,065 INFO L444 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2019-11-23 20:54:51,065 INFO L444 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:51,065 INFO L444 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:51,065 INFO L444 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:51,065 INFO L444 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2019-11-23 20:54:51,066 INFO L444 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2019-11-23 20:54:51,066 INFO L444 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2019-11-23 20:54:51,066 INFO L444 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2019-11-23 20:54:51,066 INFO L444 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2019-11-23 20:54:51,066 INFO L444 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2019-11-23 20:54:51,066 INFO L444 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2019-11-23 20:54:51,066 INFO L444 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2019-11-23 20:54:51,066 INFO L444 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:51,066 INFO L444 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:51,067 INFO L444 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:51,067 INFO L444 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2019-11-23 20:54:51,067 INFO L444 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2019-11-23 20:54:51,067 INFO L444 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2019-11-23 20:54:51,067 INFO L444 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2019-11-23 20:54:51,067 INFO L444 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2019-11-23 20:54:51,067 INFO L444 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2019-11-23 20:54:51,067 INFO L444 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2019-11-23 20:54:51,067 INFO L444 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2019-11-23 20:54:51,067 INFO L444 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2019-11-23 20:54:51,068 INFO L444 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:51,068 INFO L444 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:51,068 INFO L444 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:51,068 INFO L444 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2019-11-23 20:54:51,068 INFO L444 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2019-11-23 20:54:51,068 INFO L444 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2019-11-23 20:54:51,068 INFO L444 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2019-11-23 20:54:51,068 INFO L444 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2019-11-23 20:54:51,068 INFO L444 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2019-11-23 20:54:51,069 INFO L444 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:51,069 INFO L444 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:51,069 INFO L444 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:51,069 INFO L444 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2019-11-23 20:54:51,069 INFO L444 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2019-11-23 20:54:51,069 INFO L444 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2019-11-23 20:54:51,069 INFO L444 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2019-11-23 20:54:51,069 INFO L444 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2019-11-23 20:54:51,069 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-23 20:54:51,069 INFO L444 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2019-11-23 20:54:51,070 INFO L444 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2019-11-23 20:54:51,070 INFO L444 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2019-11-23 20:54:51,070 INFO L444 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:51,070 INFO L444 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:51,070 INFO L444 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:51,070 INFO L444 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2019-11-23 20:54:51,070 INFO L444 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2019-11-23 20:54:51,070 INFO L444 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2019-11-23 20:54:51,070 INFO L444 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2019-11-23 20:54:51,071 INFO L444 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2019-11-23 20:54:51,071 INFO L444 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:51,071 INFO L444 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:51,071 INFO L444 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:51,071 INFO L444 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2019-11-23 20:54:51,071 INFO L444 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2019-11-23 20:54:51,071 INFO L444 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2019-11-23 20:54:51,071 INFO L444 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2019-11-23 20:54:51,071 INFO L444 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2019-11-23 20:54:51,072 INFO L444 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2019-11-23 20:54:51,072 INFO L444 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2019-11-23 20:54:51,072 INFO L444 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2019-11-23 20:54:51,072 INFO L444 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2019-11-23 20:54:51,072 INFO L444 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2019-11-23 20:54:51,072 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-23 20:54:51,072 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 472) no Hoare annotation was computed. [2019-11-23 20:54:51,072 INFO L444 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2019-11-23 20:54:51,072 INFO L444 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:51,072 INFO L444 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:51,073 INFO L444 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2019-11-23 20:54:51,073 INFO L444 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2019-11-23 20:54:51,073 INFO L444 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2019-11-23 20:54:51,073 INFO L444 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2019-11-23 20:54:51,073 INFO L444 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2019-11-23 20:54:51,073 INFO L444 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2019-11-23 20:54:51,073 INFO L444 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2019-11-23 20:54:51,073 INFO L444 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2019-11-23 20:54:51,073 INFO L444 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2019-11-23 20:54:51,074 INFO L440 ceAbstractionStarter]: At program point L597(lines 29 598) the Hoare annotation is: (let ((.cse9 (= ~a25~0 1))) (let ((.cse10 (not .cse9)) (.cse1 (= ~a28~0 7)) (.cse0 (= ~a17~0 8)) (.cse2 (<= ~a11~0 0)) (.cse8 (not (= ~a28~0 11))) (.cse7 (= ~a11~0 1)) (.cse3 (= ~a28~0 10)) (.cse4 (not (= ~a28~0 8))) (.cse6 (= ~a19~0 1)) (.cse5 (not (= ~a17~0 9)))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse2 .cse5) (and .cse4 .cse6 .cse7 .cse5 .cse8) (and .cse4 .cse9 .cse7 .cse5 .cse8) (and .cse0 .cse1 .cse7) (and .cse10 .cse4 .cse2 .cse5 .cse8) (and .cse10 .cse0 .cse2 .cse8) (and .cse6 .cse1 .cse9 .cse5) (and .cse0 .cse6 .cse2 .cse8) (and .cse4 .cse6 .cse2 .cse5 .cse8) (and .cse3 .cse4 .cse7 .cse5) (and (<= 11 ~a28~0) .cse4 .cse6 .cse9 .cse5) (and .cse3 .cse4 .cse6 .cse5)))) [2019-11-23 20:54:51,074 INFO L444 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:51,074 INFO L444 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:51,074 INFO L444 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2019-11-23 20:54:51,074 INFO L444 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2019-11-23 20:54:51,074 INFO L444 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2019-11-23 20:54:51,075 INFO L444 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2019-11-23 20:54:51,075 INFO L444 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2019-11-23 20:54:51,075 INFO L444 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2019-11-23 20:54:51,075 INFO L447 ceAbstractionStarter]: At program point L600(lines 600 617) the Hoare annotation is: true [2019-11-23 20:54:51,075 INFO L444 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:51,075 INFO L444 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:51,075 INFO L444 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2019-11-23 20:54:51,075 INFO L444 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2019-11-23 20:54:51,076 INFO L444 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2019-11-23 20:54:51,076 INFO L444 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2019-11-23 20:54:51,076 INFO L444 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2019-11-23 20:54:51,076 INFO L444 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2019-11-23 20:54:51,076 INFO L444 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2019-11-23 20:54:51,076 INFO L444 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2019-11-23 20:54:51,076 INFO L444 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2019-11-23 20:54:51,076 INFO L444 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:51,076 INFO L444 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:51,076 INFO L444 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2019-11-23 20:54:51,077 INFO L444 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2019-11-23 20:54:51,077 INFO L444 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2019-11-23 20:54:51,077 INFO L444 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2019-11-23 20:54:51,077 INFO L444 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2019-11-23 20:54:51,077 INFO L444 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2019-11-23 20:54:51,077 INFO L440 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse9 (= ~a25~0 1))) (let ((.cse10 (not .cse9)) (.cse1 (= ~a28~0 7)) (.cse0 (= ~a17~0 8)) (.cse2 (<= ~a11~0 0)) (.cse8 (not (= ~a28~0 11))) (.cse7 (= ~a11~0 1)) (.cse3 (= ~a28~0 10)) (.cse4 (not (= ~a28~0 8))) (.cse6 (= ~a19~0 1)) (.cse5 (not (= ~a17~0 9)))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse2 .cse5) (and .cse4 .cse6 .cse7 .cse5 .cse8) (and .cse4 .cse9 .cse7 .cse5 .cse8) (and .cse0 .cse1 .cse7) (and .cse10 .cse4 .cse2 .cse5 .cse8) (and .cse10 .cse0 .cse2 .cse8) (and .cse6 .cse1 .cse9 .cse5) (and .cse0 .cse6 .cse2 .cse8) (and .cse4 .cse6 .cse2 .cse5 .cse8) (and .cse3 .cse4 .cse7 .cse5) (and (<= 11 ~a28~0) .cse4 .cse6 .cse9 .cse5) (and .cse3 .cse4 .cse6 .cse5)))) [2019-11-23 20:54:51,078 INFO L444 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:51,078 INFO L444 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:51,078 INFO L444 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2019-11-23 20:54:51,078 INFO L444 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2019-11-23 20:54:51,078 INFO L444 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2019-11-23 20:54:51,078 INFO L444 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2019-11-23 20:54:51,078 INFO L444 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2019-11-23 20:54:51,078 INFO L444 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:51,079 INFO L444 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:51,079 INFO L444 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2019-11-23 20:54:51,079 INFO L444 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2019-11-23 20:54:51,079 INFO L444 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2019-11-23 20:54:51,079 INFO L444 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2019-11-23 20:54:51,079 INFO L444 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2019-11-23 20:54:51,079 INFO L444 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2019-11-23 20:54:51,079 INFO L444 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2019-11-23 20:54:51,079 INFO L444 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2019-11-23 20:54:51,079 INFO L444 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2019-11-23 20:54:51,080 INFO L444 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:51,080 INFO L444 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:51,080 INFO L444 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2019-11-23 20:54:51,080 INFO L444 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:51,080 INFO L444 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2019-11-23 20:54:51,080 INFO L444 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2019-11-23 20:54:51,080 INFO L444 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2019-11-23 20:54:51,080 INFO L444 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2019-11-23 20:54:51,080 INFO L444 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2019-11-23 20:54:51,081 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-23 20:54:51,081 INFO L444 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2019-11-23 20:54:51,081 INFO L444 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:51,081 INFO L444 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:51,081 INFO L444 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:51,081 INFO L444 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2019-11-23 20:54:51,081 INFO L444 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2019-11-23 20:54:51,081 INFO L444 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2019-11-23 20:54:51,081 INFO L444 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2019-11-23 20:54:51,081 INFO L444 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2019-11-23 20:54:51,082 INFO L444 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:51,082 INFO L444 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:51,082 INFO L444 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:51,082 INFO L444 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2019-11-23 20:54:51,082 INFO L444 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2019-11-23 20:54:51,082 INFO L444 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2019-11-23 20:54:51,082 INFO L444 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2019-11-23 20:54:51,082 INFO L444 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2019-11-23 20:54:51,082 INFO L444 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2019-11-23 20:54:51,083 INFO L444 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:51,083 INFO L444 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:51,083 INFO L444 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:51,083 INFO L444 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2019-11-23 20:54:51,083 INFO L444 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2019-11-23 20:54:51,083 INFO L444 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2019-11-23 20:54:51,083 INFO L444 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2019-11-23 20:54:51,083 INFO L444 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2019-11-23 20:54:51,083 INFO L444 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2019-11-23 20:54:51,083 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-23 20:54:51,084 INFO L444 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2019-11-23 20:54:51,084 INFO L444 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2019-11-23 20:54:51,084 INFO L444 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:51,084 INFO L444 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:51,084 INFO L444 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:51,084 INFO L444 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2019-11-23 20:54:51,084 INFO L444 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2019-11-23 20:54:51,084 INFO L444 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2019-11-23 20:54:51,084 INFO L444 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2019-11-23 20:54:51,084 INFO L444 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2019-11-23 20:54:51,085 INFO L444 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:51,085 INFO L444 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:51,085 INFO L444 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:51,085 INFO L444 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2019-11-23 20:54:51,085 INFO L444 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2019-11-23 20:54:51,085 INFO L444 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2019-11-23 20:54:51,085 INFO L444 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2019-11-23 20:54:51,085 INFO L444 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2019-11-23 20:54:51,085 INFO L444 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2019-11-23 20:54:51,086 INFO L444 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2019-11-23 20:54:51,086 INFO L444 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2019-11-23 20:54:51,086 INFO L444 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2019-11-23 20:54:51,086 INFO L444 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2019-11-23 20:54:51,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 08:54:51 BoogieIcfgContainer [2019-11-23 20:54:51,112 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-23 20:54:51,114 INFO L168 Benchmark]: Toolchain (without parser) took 12377.03 ms. Allocated memory was 145.8 MB in the beginning and 423.6 MB in the end (delta: 277.9 MB). Free memory was 101.9 MB in the beginning and 233.7 MB in the end (delta: -131.8 MB). Peak memory consumption was 146.1 MB. Max. memory is 7.1 GB. [2019-11-23 20:54:51,115 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 145.8 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-11-23 20:54:51,116 INFO L168 Benchmark]: CACSL2BoogieTranslator took 871.04 ms. Allocated memory was 145.8 MB in the beginning and 205.5 MB in the end (delta: 59.8 MB). Free memory was 101.7 MB in the beginning and 172.0 MB in the end (delta: -70.4 MB). Peak memory consumption was 29.9 MB. Max. memory is 7.1 GB. [2019-11-23 20:54:51,116 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.60 ms. Allocated memory is still 205.5 MB. Free memory was 172.0 MB in the beginning and 166.5 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. [2019-11-23 20:54:51,117 INFO L168 Benchmark]: Boogie Preprocessor took 86.95 ms. Allocated memory is still 205.5 MB. Free memory was 166.5 MB in the beginning and 162.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-11-23 20:54:51,118 INFO L168 Benchmark]: RCFGBuilder took 1312.04 ms. Allocated memory was 205.5 MB in the beginning and 238.6 MB in the end (delta: 33.0 MB). Free memory was 161.6 MB in the beginning and 172.6 MB in the end (delta: -11.0 MB). Peak memory consumption was 78.3 MB. Max. memory is 7.1 GB. [2019-11-23 20:54:51,119 INFO L168 Benchmark]: TraceAbstraction took 10021.70 ms. Allocated memory was 238.6 MB in the beginning and 423.6 MB in the end (delta: 185.1 MB). Free memory was 171.2 MB in the beginning and 233.7 MB in the end (delta: -62.5 MB). Peak memory consumption was 122.6 MB. Max. memory is 7.1 GB. [2019-11-23 20:54:51,124 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 145.8 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 871.04 ms. Allocated memory was 145.8 MB in the beginning and 205.5 MB in the end (delta: 59.8 MB). Free memory was 101.7 MB in the beginning and 172.0 MB in the end (delta: -70.4 MB). Peak memory consumption was 29.9 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 80.60 ms. Allocated memory is still 205.5 MB. Free memory was 172.0 MB in the beginning and 166.5 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 86.95 ms. Allocated memory is still 205.5 MB. Free memory was 166.5 MB in the beginning and 162.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1312.04 ms. Allocated memory was 205.5 MB in the beginning and 238.6 MB in the end (delta: 33.0 MB). Free memory was 161.6 MB in the beginning and 172.6 MB in the end (delta: -11.0 MB). Peak memory consumption was 78.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 10021.70 ms. Allocated memory was 238.6 MB in the beginning and 423.6 MB in the end (delta: 185.1 MB). Free memory was 171.2 MB in the beginning and 233.7 MB in the end (delta: -62.5 MB). Peak memory consumption was 122.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 472]: 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: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((((((((((a17 == 8 && a28 == 7) && a11 <= 0) || (((a28 == 10 && !(a28 == 8)) && a11 <= 0) && !(a17 == 9))) || ((((!(a28 == 8) && a19 == 1) && a11 == 1) && !(a17 == 9)) && !(a28 == 11))) || ((((!(a28 == 8) && a25 == 1) && a11 == 1) && !(a17 == 9)) && !(a28 == 11))) || ((a17 == 8 && a28 == 7) && a11 == 1)) || ((((!(a25 == 1) && !(a28 == 8)) && a11 <= 0) && !(a17 == 9)) && !(a28 == 11))) || (((!(a25 == 1) && a17 == 8) && a11 <= 0) && !(a28 == 11))) || (((a19 == 1 && a28 == 7) && a25 == 1) && !(a17 == 9))) || (((a17 == 8 && a19 == 1) && a11 <= 0) && !(a28 == 11))) || ((((!(a28 == 8) && a19 == 1) && a11 <= 0) && !(a17 == 9)) && !(a28 == 11))) || (((a28 == 10 && !(a28 == 8)) && a11 == 1) && !(a17 == 9))) || ((((11 <= a28 && !(a28 == 8)) && a19 == 1) && a25 == 1) && !(a17 == 9))) || (((a28 == 10 && !(a28 == 8)) && a19 == 1) && !(a17 == 9)) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: (((((((((((((a17 == 8 && a28 == 7) && a11 <= 0) || (((a28 == 10 && !(a28 == 8)) && a11 <= 0) && !(a17 == 9))) || ((((!(a28 == 8) && a19 == 1) && a11 == 1) && !(a17 == 9)) && !(a28 == 11))) || ((((!(a28 == 8) && a25 == 1) && a11 == 1) && !(a17 == 9)) && !(a28 == 11))) || ((a17 == 8 && a28 == 7) && a11 == 1)) || ((((!(a25 == 1) && !(a28 == 8)) && a11 <= 0) && !(a17 == 9)) && !(a28 == 11))) || (((!(a25 == 1) && a17 == 8) && a11 <= 0) && !(a28 == 11))) || (((a19 == 1 && a28 == 7) && a25 == 1) && !(a17 == 9))) || (((a17 == 8 && a19 == 1) && a11 <= 0) && !(a28 == 11))) || ((((!(a28 == 8) && a19 == 1) && a11 <= 0) && !(a17 == 9)) && !(a28 == 11))) || (((a28 == 10 && !(a28 == 8)) && a11 == 1) && !(a17 == 9))) || ((((11 <= a28 && !(a28 == 8)) && a19 == 1) && a25 == 1) && !(a17 == 9))) || (((a28 == 10 && !(a28 == 8)) && a19 == 1) && !(a17 == 9)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 locations, 1 error locations. Result: SAFE, OverallTime: 9.9s, OverallIterations: 10, TraceHistogramMax: 5, AutomataDifference: 6.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, HoareTripleCheckerStatistics: 1065 SDtfs, 1945 SDslu, 163 SDs, 0 SdLazy, 3995 SolverSat, 768 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 354 GetRequests, 329 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2965occurred in iteration=8, 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, 10 MinimizatonAttempts, 990 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 42 NumberOfFragments, 409 HoareAnnotationTreeSize, 3 FomulaSimplifications, 226 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 870 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 1780 NumberOfCodeBlocks, 1780 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1768 ConstructedInterpolants, 0 QuantifiedInterpolants, 536707 SizeOfPredicates, 1 NumberOfNonLiveVariables, 580 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 853/855 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...