/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_label40.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-23 20:54:34,801 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-23 20:54:34,803 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-23 20:54:34,819 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-11-23 20:54:34,869 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 20:54:34,888 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-23 20:54:34,889 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-23 20:54:34,890 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-23 20:54:34,891 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-23 20:54:34,891 INFO L138 SettingsManager]: * Use SBE=true [2019-11-23 20:54:34,891 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-23 20:54:34,891 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-23 20:54:34,891 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-23 20:54:34,892 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-23 20:54:34,892 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-23 20:54:34,893 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-23 20:54:34,893 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-23 20:54:34,893 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-23 20:54:34,893 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-23 20:54:34,893 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-23 20:54:34,893 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-23 20:54:34,895 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-23 20:54:34,895 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-23 20:54:34,895 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-23 20:54:34,896 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-23 20:54:34,896 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-23 20:54:34,896 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-23 20:54:34,896 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-23 20:54:34,896 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-23 20:54:34,897 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-23 20:54:34,897 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-23 20:54:34,897 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-23 20:54:34,898 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-23 20:54:34,898 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-23 20:54:34,898 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-23 20:54:35,173 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-23 20:54:35,187 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-23 20:54:35,190 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-23 20:54:35,192 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-23 20:54:35,192 INFO L275 PluginConnector]: CDTParser initialized [2019-11-23 20:54:35,193 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label40.c [2019-11-23 20:54:35,257 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b424e393b/f99891e5f5314ca7a1f792135abbf7ee/FLAGd7766d879 [2019-11-23 20:54:35,850 INFO L306 CDTParser]: Found 1 translation units. [2019-11-23 20:54:35,852 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label40.c [2019-11-23 20:54:35,866 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b424e393b/f99891e5f5314ca7a1f792135abbf7ee/FLAGd7766d879 [2019-11-23 20:54:36,112 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b424e393b/f99891e5f5314ca7a1f792135abbf7ee [2019-11-23 20:54:36,122 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-23 20:54:36,124 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-23 20:54:36,125 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-23 20:54:36,125 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-23 20:54:36,129 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-23 20:54:36,130 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:54:36" (1/1) ... [2019-11-23 20:54:36,133 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a725cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:54:36, skipping insertion in model container [2019-11-23 20:54:36,133 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:54:36" (1/1) ... [2019-11-23 20:54:36,141 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-23 20:54:36,196 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-23 20:54:36,709 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 20:54:36,714 INFO L203 MainTranslator]: Completed pre-run [2019-11-23 20:54:36,823 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 20:54:36,847 INFO L208 MainTranslator]: Completed translation [2019-11-23 20:54:36,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:54:36 WrapperNode [2019-11-23 20:54:36,848 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-23 20:54:36,849 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-23 20:54:36,849 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-23 20:54:36,849 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-23 20:54:36,859 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:54:36" (1/1) ... [2019-11-23 20:54:36,878 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:54:36" (1/1) ... [2019-11-23 20:54:36,939 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-23 20:54:36,939 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-23 20:54:36,939 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-23 20:54:36,939 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-23 20:54:36,950 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:54:36" (1/1) ... [2019-11-23 20:54:36,950 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:54:36" (1/1) ... [2019-11-23 20:54:36,958 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:54:36" (1/1) ... [2019-11-23 20:54:36,959 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:54:36" (1/1) ... [2019-11-23 20:54:36,992 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:54:36" (1/1) ... [2019-11-23 20:54:37,014 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:54:36" (1/1) ... [2019-11-23 20:54:37,020 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:54:36" (1/1) ... [2019-11-23 20:54:37,028 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-23 20:54:37,029 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-23 20:54:37,029 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-23 20:54:37,029 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-23 20:54:37,030 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:54:36" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-23 20:54:37,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-23 20:54:37,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-23 20:54:38,392 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-23 20:54:38,392 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-23 20:54:38,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:54:38 BoogieIcfgContainer [2019-11-23 20:54:38,394 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-23 20:54:38,395 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-23 20:54:38,396 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-23 20:54:38,399 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-23 20:54:38,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:54:36" (1/3) ... [2019-11-23 20:54:38,402 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45743acb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:54:38, skipping insertion in model container [2019-11-23 20:54:38,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:54:36" (2/3) ... [2019-11-23 20:54:38,403 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45743acb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:54:38, skipping insertion in model container [2019-11-23 20:54:38,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:54:38" (3/3) ... [2019-11-23 20:54:38,405 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label40.c [2019-11-23 20:54:38,415 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-23 20:54:38,424 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-23 20:54:38,435 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-23 20:54:38,474 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-23 20:54:38,475 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-23 20:54:38,475 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-23 20:54:38,475 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-23 20:54:38,475 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-23 20:54:38,476 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-23 20:54:38,477 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-23 20:54:38,477 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-23 20:54:38,509 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states. [2019-11-23 20:54:38,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-11-23 20:54:38,525 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 20:54:38,526 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] [2019-11-23 20:54:38,527 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 20:54:38,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 20:54:38,535 INFO L82 PathProgramCache]: Analyzing trace with hash 427661899, now seen corresponding path program 1 times [2019-11-23 20:54:38,547 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 20:54:38,548 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489672149] [2019-11-23 20:54:38,548 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 20:54:38,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 20:54:39,087 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 20:54:39,088 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489672149] [2019-11-23 20:54:39,089 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 20:54:39,090 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 20:54:39,092 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737143852] [2019-11-23 20:54:39,098 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 20:54:39,098 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 20:54:39,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 20:54:39,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 20:54:39,116 INFO L87 Difference]: Start difference. First operand 227 states. Second operand 4 states. [2019-11-23 20:54:40,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 20:54:40,496 INFO L93 Difference]: Finished difference Result 775 states and 1353 transitions. [2019-11-23 20:54:40,496 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-23 20:54:40,498 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 89 [2019-11-23 20:54:40,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 20:54:40,519 INFO L225 Difference]: With dead ends: 775 [2019-11-23 20:54:40,520 INFO L226 Difference]: Without dead ends: 460 [2019-11-23 20:54:40,532 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 20:54:40,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2019-11-23 20:54:40,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 308. [2019-11-23 20:54:40,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 308 states. [2019-11-23 20:54:40,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 451 transitions. [2019-11-23 20:54:40,625 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 451 transitions. Word has length 89 [2019-11-23 20:54:40,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 20:54:40,626 INFO L462 AbstractCegarLoop]: Abstraction has 308 states and 451 transitions. [2019-11-23 20:54:40,626 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 20:54:40,627 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 451 transitions. [2019-11-23 20:54:40,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-11-23 20:54:40,631 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 20:54:40,631 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 20:54:40,631 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 20:54:40,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 20:54:40,632 INFO L82 PathProgramCache]: Analyzing trace with hash 1584478528, now seen corresponding path program 1 times [2019-11-23 20:54:40,632 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 20:54:40,633 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371324977] [2019-11-23 20:54:40,633 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 20:54:40,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 20:54:40,797 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 20:54:40,798 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371324977] [2019-11-23 20:54:40,798 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 20:54:40,798 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-23 20:54:40,799 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413516463] [2019-11-23 20:54:40,801 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 20:54:40,802 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 20:54:40,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 20:54:40,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 20:54:40,803 INFO L87 Difference]: Start difference. First operand 308 states and 451 transitions. Second operand 4 states. [2019-11-23 20:54:41,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 20:54:41,827 INFO L93 Difference]: Finished difference Result 1180 states and 1741 transitions. [2019-11-23 20:54:41,828 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-23 20:54:41,828 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 93 [2019-11-23 20:54:41,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 20:54:41,833 INFO L225 Difference]: With dead ends: 1180 [2019-11-23 20:54:41,834 INFO L226 Difference]: Without dead ends: 874 [2019-11-23 20:54:41,835 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 20:54:41,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 874 states. [2019-11-23 20:54:41,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 874 to 870. [2019-11-23 20:54:41,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 870 states. [2019-11-23 20:54:41,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 870 states to 870 states and 1183 transitions. [2019-11-23 20:54:41,870 INFO L78 Accepts]: Start accepts. Automaton has 870 states and 1183 transitions. Word has length 93 [2019-11-23 20:54:41,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 20:54:41,870 INFO L462 AbstractCegarLoop]: Abstraction has 870 states and 1183 transitions. [2019-11-23 20:54:41,870 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 20:54:41,871 INFO L276 IsEmpty]: Start isEmpty. Operand 870 states and 1183 transitions. [2019-11-23 20:54:41,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-11-23 20:54:41,876 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 20:54:41,876 INFO L410 BasicCegarLoop]: trace histogram [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] [2019-11-23 20:54:41,876 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 20:54:41,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 20:54:41,877 INFO L82 PathProgramCache]: Analyzing trace with hash 606564730, now seen corresponding path program 1 times [2019-11-23 20:54:41,877 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 20:54:41,878 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929862871] [2019-11-23 20:54:41,878 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 20:54:41,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 20:54:41,965 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-23 20:54:41,965 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929862871] [2019-11-23 20:54:41,965 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 20:54:41,966 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 20:54:41,966 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401356349] [2019-11-23 20:54:41,968 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 20:54:41,969 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 20:54:41,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 20:54:41,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 20:54:41,970 INFO L87 Difference]: Start difference. First operand 870 states and 1183 transitions. Second operand 4 states. [2019-11-23 20:54:42,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 20:54:42,526 INFO L93 Difference]: Finished difference Result 2146 states and 2939 transitions. [2019-11-23 20:54:42,527 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-23 20:54:42,527 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 99 [2019-11-23 20:54:42,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 20:54:42,533 INFO L225 Difference]: With dead ends: 2146 [2019-11-23 20:54:42,534 INFO L226 Difference]: Without dead ends: 1278 [2019-11-23 20:54:42,536 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 20:54:42,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1278 states. [2019-11-23 20:54:42,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1278 to 578. [2019-11-23 20:54:42,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 578 states. [2019-11-23 20:54:42,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 578 states and 776 transitions. [2019-11-23 20:54:42,558 INFO L78 Accepts]: Start accepts. Automaton has 578 states and 776 transitions. Word has length 99 [2019-11-23 20:54:42,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 20:54:42,558 INFO L462 AbstractCegarLoop]: Abstraction has 578 states and 776 transitions. [2019-11-23 20:54:42,558 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 20:54:42,559 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 776 transitions. [2019-11-23 20:54:42,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-11-23 20:54:42,562 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 20:54:42,562 INFO L410 BasicCegarLoop]: trace histogram [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 20:54:42,563 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 20:54:42,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 20:54:42,563 INFO L82 PathProgramCache]: Analyzing trace with hash 450798671, now seen corresponding path program 1 times [2019-11-23 20:54:42,563 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 20:54:42,564 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489871321] [2019-11-23 20:54:42,564 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 20:54:42,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 20:54:42,600 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 20:54:42,600 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489871321] [2019-11-23 20:54:42,600 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 20:54:42,601 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-23 20:54:42,601 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89992864] [2019-11-23 20:54:42,601 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-23 20:54:42,601 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 20:54:42,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-23 20:54:42,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 20:54:42,602 INFO L87 Difference]: Start difference. First operand 578 states and 776 transitions. Second operand 3 states. [2019-11-23 20:54:43,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 20:54:43,137 INFO L93 Difference]: Finished difference Result 1714 states and 2306 transitions. [2019-11-23 20:54:43,138 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-23 20:54:43,138 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 99 [2019-11-23 20:54:43,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 20:54:43,145 INFO L225 Difference]: With dead ends: 1714 [2019-11-23 20:54:43,145 INFO L226 Difference]: Without dead ends: 1138 [2019-11-23 20:54:43,147 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 20:54:43,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1138 states. [2019-11-23 20:54:43,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1138 to 1138. [2019-11-23 20:54:43,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1138 states. [2019-11-23 20:54:43,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1138 states to 1138 states and 1447 transitions. [2019-11-23 20:54:43,194 INFO L78 Accepts]: Start accepts. Automaton has 1138 states and 1447 transitions. Word has length 99 [2019-11-23 20:54:43,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 20:54:43,194 INFO L462 AbstractCegarLoop]: Abstraction has 1138 states and 1447 transitions. [2019-11-23 20:54:43,194 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-23 20:54:43,194 INFO L276 IsEmpty]: Start isEmpty. Operand 1138 states and 1447 transitions. [2019-11-23 20:54:43,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2019-11-23 20:54:43,198 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 20:54:43,199 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:54:43,199 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 20:54:43,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 20:54:43,201 INFO L82 PathProgramCache]: Analyzing trace with hash 1355718265, now seen corresponding path program 1 times [2019-11-23 20:54:43,201 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 20:54:43,203 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700494726] [2019-11-23 20:54:43,203 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 20:54:43,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 20:54:43,292 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 20:54:43,293 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700494726] [2019-11-23 20:54:43,293 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 20:54:43,293 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 20:54:43,293 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601205743] [2019-11-23 20:54:43,294 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 20:54:43,295 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 20:54:43,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 20:54:43,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 20:54:43,295 INFO L87 Difference]: Start difference. First operand 1138 states and 1447 transitions. Second operand 4 states. [2019-11-23 20:54:44,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 20:54:44,162 INFO L93 Difference]: Finished difference Result 2415 states and 3064 transitions. [2019-11-23 20:54:44,162 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-23 20:54:44,162 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 113 [2019-11-23 20:54:44,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 20:54:44,169 INFO L225 Difference]: With dead ends: 2415 [2019-11-23 20:54:44,169 INFO L226 Difference]: Without dead ends: 1279 [2019-11-23 20:54:44,171 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 20:54:44,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1279 states. [2019-11-23 20:54:44,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1279 to 1279. [2019-11-23 20:54:44,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1279 states. [2019-11-23 20:54:44,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1279 states to 1279 states and 1438 transitions. [2019-11-23 20:54:44,201 INFO L78 Accepts]: Start accepts. Automaton has 1279 states and 1438 transitions. Word has length 113 [2019-11-23 20:54:44,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 20:54:44,201 INFO L462 AbstractCegarLoop]: Abstraction has 1279 states and 1438 transitions. [2019-11-23 20:54:44,202 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 20:54:44,202 INFO L276 IsEmpty]: Start isEmpty. Operand 1279 states and 1438 transitions. [2019-11-23 20:54:44,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2019-11-23 20:54:44,205 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 20:54:44,205 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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 20:54:44,205 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 20:54:44,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 20:54:44,206 INFO L82 PathProgramCache]: Analyzing trace with hash -1019939816, now seen corresponding path program 1 times [2019-11-23 20:54:44,206 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 20:54:44,207 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25903994] [2019-11-23 20:54:44,207 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 20:54:44,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 20:54:44,362 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 39 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 20:54:44,362 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25903994] [2019-11-23 20:54:44,362 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1407965289] [2019-11-23 20:54:44,363 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 20:54:44,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 20:54:44,440 INFO L255 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-23 20:54:44,450 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-23 20:54:44,498 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 20:54:44,499 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-23 20:54:44,499 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2019-11-23 20:54:44,499 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881279899] [2019-11-23 20:54:44,500 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-23 20:54:44,500 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 20:54:44,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-23 20:54:44,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-23 20:54:44,501 INFO L87 Difference]: Start difference. First operand 1279 states and 1438 transitions. Second operand 3 states. [2019-11-23 20:54:44,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 20:54:44,986 INFO L93 Difference]: Finished difference Result 3399 states and 3829 transitions. [2019-11-23 20:54:44,987 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-23 20:54:44,987 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 122 [2019-11-23 20:54:44,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 20:54:44,996 INFO L225 Difference]: With dead ends: 3399 [2019-11-23 20:54:44,996 INFO L226 Difference]: Without dead ends: 1840 [2019-11-23 20:54:44,999 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 121 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 20:54:45,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1840 states. [2019-11-23 20:54:45,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1840 to 1836. [2019-11-23 20:54:45,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1836 states. [2019-11-23 20:54:45,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1836 states to 1836 states and 2027 transitions. [2019-11-23 20:54:45,035 INFO L78 Accepts]: Start accepts. Automaton has 1836 states and 2027 transitions. Word has length 122 [2019-11-23 20:54:45,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 20:54:45,036 INFO L462 AbstractCegarLoop]: Abstraction has 1836 states and 2027 transitions. [2019-11-23 20:54:45,036 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-23 20:54:45,036 INFO L276 IsEmpty]: Start isEmpty. Operand 1836 states and 2027 transitions. [2019-11-23 20:54:45,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2019-11-23 20:54:45,039 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 20:54:45,040 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2019-11-23 20:54:45,243 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 20:54:45,244 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 20:54:45,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 20:54:45,244 INFO L82 PathProgramCache]: Analyzing trace with hash 911939789, now seen corresponding path program 1 times [2019-11-23 20:54:45,244 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 20:54:45,245 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968524284] [2019-11-23 20:54:45,245 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 20:54:45,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 20:54:45,313 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-23 20:54:45,313 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968524284] [2019-11-23 20:54:45,313 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 20:54:45,314 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 20:54:45,314 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536724786] [2019-11-23 20:54:45,314 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-23 20:54:45,315 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 20:54:45,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-23 20:54:45,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 20:54:45,315 INFO L87 Difference]: Start difference. First operand 1836 states and 2027 transitions. Second operand 3 states. [2019-11-23 20:54:45,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 20:54:45,742 INFO L93 Difference]: Finished difference Result 4230 states and 4697 transitions. [2019-11-23 20:54:45,743 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-23 20:54:45,743 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 126 [2019-11-23 20:54:45,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 20:54:45,751 INFO L225 Difference]: With dead ends: 4230 [2019-11-23 20:54:45,751 INFO L226 Difference]: Without dead ends: 1694 [2019-11-23 20:54:45,754 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 20:54:45,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1694 states. [2019-11-23 20:54:45,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1694 to 1694. [2019-11-23 20:54:45,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1694 states. [2019-11-23 20:54:45,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1694 states to 1694 states and 1838 transitions. [2019-11-23 20:54:45,810 INFO L78 Accepts]: Start accepts. Automaton has 1694 states and 1838 transitions. Word has length 126 [2019-11-23 20:54:45,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 20:54:45,810 INFO L462 AbstractCegarLoop]: Abstraction has 1694 states and 1838 transitions. [2019-11-23 20:54:45,811 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-23 20:54:45,811 INFO L276 IsEmpty]: Start isEmpty. Operand 1694 states and 1838 transitions. [2019-11-23 20:54:45,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-11-23 20:54:45,813 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 20:54:45,814 INFO L410 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:54:45,814 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 20:54:45,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 20:54:45,814 INFO L82 PathProgramCache]: Analyzing trace with hash -863331546, now seen corresponding path program 1 times [2019-11-23 20:54:45,815 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 20:54:45,815 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285291233] [2019-11-23 20:54:45,815 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 20:54:45,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 20:54:45,863 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-23 20:54:45,864 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285291233] [2019-11-23 20:54:45,864 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 20:54:45,864 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 20:54:45,864 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11716360] [2019-11-23 20:54:45,865 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-23 20:54:45,865 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 20:54:45,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-23 20:54:45,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 20:54:45,865 INFO L87 Difference]: Start difference. First operand 1694 states and 1838 transitions. Second operand 3 states. [2019-11-23 20:54:46,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 20:54:46,243 INFO L93 Difference]: Finished difference Result 3249 states and 3533 transitions. [2019-11-23 20:54:46,243 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-23 20:54:46,243 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 136 [2019-11-23 20:54:46,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 20:54:46,250 INFO L225 Difference]: With dead ends: 3249 [2019-11-23 20:54:46,250 INFO L226 Difference]: Without dead ends: 1697 [2019-11-23 20:54:46,253 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 20:54:46,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1697 states. [2019-11-23 20:54:46,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1697 to 1694. [2019-11-23 20:54:46,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1694 states. [2019-11-23 20:54:46,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1694 states to 1694 states and 1823 transitions. [2019-11-23 20:54:46,284 INFO L78 Accepts]: Start accepts. Automaton has 1694 states and 1823 transitions. Word has length 136 [2019-11-23 20:54:46,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 20:54:46,284 INFO L462 AbstractCegarLoop]: Abstraction has 1694 states and 1823 transitions. [2019-11-23 20:54:46,284 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-23 20:54:46,284 INFO L276 IsEmpty]: Start isEmpty. Operand 1694 states and 1823 transitions. [2019-11-23 20:54:46,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2019-11-23 20:54:46,288 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 20:54:46,288 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2019-11-23 20:54:46,288 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 20:54:46,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 20:54:46,289 INFO L82 PathProgramCache]: Analyzing trace with hash 710747632, now seen corresponding path program 1 times [2019-11-23 20:54:46,289 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 20:54:46,289 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852752443] [2019-11-23 20:54:46,289 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 20:54:46,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 20:54:46,425 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 63 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-23 20:54:46,425 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852752443] [2019-11-23 20:54:46,426 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1043795347] [2019-11-23 20:54:46,426 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 20:54:46,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 20:54:46,527 INFO L255 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-23 20:54:46,532 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-23 20:54:46,599 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-23 20:54:46,599 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-23 20:54:46,600 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2019-11-23 20:54:46,601 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251935338] [2019-11-23 20:54:46,601 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-23 20:54:46,601 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 20:54:46,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-23 20:54:46,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-11-23 20:54:46,603 INFO L87 Difference]: Start difference. First operand 1694 states and 1823 transitions. Second operand 3 states. [2019-11-23 20:54:47,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 20:54:47,070 INFO L93 Difference]: Finished difference Result 3244 states and 3498 transitions. [2019-11-23 20:54:47,070 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-23 20:54:47,071 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 140 [2019-11-23 20:54:47,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 20:54:47,071 INFO L225 Difference]: With dead ends: 3244 [2019-11-23 20:54:47,071 INFO L226 Difference]: Without dead ends: 0 [2019-11-23 20:54:47,076 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 139 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 20:54:47,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-23 20:54:47,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-23 20:54:47,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-23 20:54:47,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-23 20:54:47,077 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 140 [2019-11-23 20:54:47,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 20:54:47,078 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-23 20:54:47,078 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-23 20:54:47,078 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-23 20:54:47,078 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-23 20:54:47,282 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 20:54:47,289 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-23 20:54:47,557 WARN L192 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 31 [2019-11-23 20:54:47,735 WARN L192 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 31 [2019-11-23 20:54:47,740 INFO L444 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:47,740 INFO L444 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:47,741 INFO L444 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:47,741 INFO L444 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2019-11-23 20:54:47,742 INFO L444 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2019-11-23 20:54:47,742 INFO L444 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2019-11-23 20:54:47,742 INFO L444 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2019-11-23 20:54:47,742 INFO L444 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2019-11-23 20:54:47,742 INFO L444 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2019-11-23 20:54:47,742 INFO L444 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2019-11-23 20:54:47,745 INFO L444 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:47,745 INFO L444 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:47,746 INFO L444 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:47,746 INFO L444 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2019-11-23 20:54:47,746 INFO L444 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2019-11-23 20:54:47,746 INFO L444 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2019-11-23 20:54:47,746 INFO L444 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2019-11-23 20:54:47,747 INFO L444 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2019-11-23 20:54:47,747 INFO L444 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2019-11-23 20:54:47,747 INFO L444 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2019-11-23 20:54:47,747 INFO L444 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:47,747 INFO L444 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:47,749 INFO L444 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:47,750 INFO L444 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2019-11-23 20:54:47,750 INFO L444 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2019-11-23 20:54:47,750 INFO L444 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2019-11-23 20:54:47,750 INFO L444 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2019-11-23 20:54:47,750 INFO L444 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2019-11-23 20:54:47,750 INFO L444 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:47,751 INFO L444 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:47,751 INFO L444 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:47,751 INFO L444 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2019-11-23 20:54:47,751 INFO L444 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2019-11-23 20:54:47,751 INFO L444 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2019-11-23 20:54:47,751 INFO L444 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2019-11-23 20:54:47,752 INFO L444 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2019-11-23 20:54:47,752 INFO L444 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2019-11-23 20:54:47,752 INFO L444 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2019-11-23 20:54:47,752 INFO L444 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2019-11-23 20:54:47,752 INFO L444 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:47,752 INFO L444 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:47,753 INFO L444 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:47,753 INFO L444 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2019-11-23 20:54:47,753 INFO L444 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2019-11-23 20:54:47,753 INFO L444 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2019-11-23 20:54:47,753 INFO L444 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2019-11-23 20:54:47,754 INFO L444 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2019-11-23 20:54:47,754 INFO L444 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2019-11-23 20:54:47,754 INFO L444 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2019-11-23 20:54:47,754 INFO L444 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2019-11-23 20:54:47,754 INFO L444 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:47,755 INFO L444 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:47,755 INFO L444 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:47,755 INFO L444 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2019-11-23 20:54:47,755 INFO L444 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2019-11-23 20:54:47,755 INFO L444 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2019-11-23 20:54:47,756 INFO L444 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2019-11-23 20:54:47,756 INFO L444 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2019-11-23 20:54:47,756 INFO L444 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2019-11-23 20:54:47,756 INFO L444 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2019-11-23 20:54:47,756 INFO L444 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2019-11-23 20:54:47,757 INFO L444 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2019-11-23 20:54:47,757 INFO L444 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:47,757 INFO L444 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:47,757 INFO L444 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:47,759 INFO L444 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2019-11-23 20:54:47,759 INFO L444 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2019-11-23 20:54:47,759 INFO L444 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2019-11-23 20:54:47,760 INFO L444 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2019-11-23 20:54:47,760 INFO L444 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2019-11-23 20:54:47,760 INFO L444 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2019-11-23 20:54:47,760 INFO L444 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:47,760 INFO L444 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:47,760 INFO L444 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:47,761 INFO L444 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2019-11-23 20:54:47,761 INFO L444 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2019-11-23 20:54:47,761 INFO L444 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2019-11-23 20:54:47,761 INFO L444 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2019-11-23 20:54:47,761 INFO L444 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2019-11-23 20:54:47,761 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-23 20:54:47,762 INFO L444 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2019-11-23 20:54:47,762 INFO L444 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2019-11-23 20:54:47,762 INFO L444 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2019-11-23 20:54:47,762 INFO L444 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:47,762 INFO L444 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:47,763 INFO L444 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:47,763 INFO L444 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2019-11-23 20:54:47,763 INFO L444 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2019-11-23 20:54:47,763 INFO L444 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2019-11-23 20:54:47,763 INFO L444 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2019-11-23 20:54:47,763 INFO L444 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2019-11-23 20:54:47,764 INFO L444 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:47,764 INFO L444 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:47,764 INFO L444 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:47,764 INFO L444 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2019-11-23 20:54:47,764 INFO L444 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2019-11-23 20:54:47,765 INFO L444 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2019-11-23 20:54:47,765 INFO L444 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2019-11-23 20:54:47,765 INFO L444 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2019-11-23 20:54:47,765 INFO L444 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2019-11-23 20:54:47,765 INFO L444 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2019-11-23 20:54:47,765 INFO L444 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2019-11-23 20:54:47,766 INFO L444 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2019-11-23 20:54:47,766 INFO L444 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2019-11-23 20:54:47,766 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-23 20:54:47,766 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 439) no Hoare annotation was computed. [2019-11-23 20:54:47,767 INFO L444 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2019-11-23 20:54:47,767 INFO L444 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:47,767 INFO L444 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:47,767 INFO L444 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2019-11-23 20:54:47,767 INFO L444 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2019-11-23 20:54:47,768 INFO L444 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2019-11-23 20:54:47,768 INFO L444 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2019-11-23 20:54:47,768 INFO L444 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2019-11-23 20:54:47,768 INFO L444 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2019-11-23 20:54:47,768 INFO L444 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2019-11-23 20:54:47,768 INFO L444 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2019-11-23 20:54:47,769 INFO L444 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2019-11-23 20:54:47,770 INFO L440 ceAbstractionStarter]: At program point L597(lines 29 598) the Hoare annotation is: (let ((.cse2 (= ~a28~0 7)) (.cse7 (= ~a11~0 1))) (let ((.cse5 (= ~a25~0 1)) (.cse0 (= ~a17~0 8)) (.cse3 (not .cse7)) (.cse4 (<= ~a19~0 0)) (.cse1 (= ~a19~0 1)) (.cse8 (not .cse2)) (.cse6 (<= ~a17~0 8)) (.cse9 (not (= ~a28~0 11)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 (not .cse5) .cse2 .cse6 .cse7) (and .cse1 .cse6 .cse5) (and .cse4 .cse0 .cse2 .cse3) (and .cse4 .cse8 .cse6 .cse9) (and .cse8 .cse1 .cse6 .cse9) (and .cse8 .cse6 .cse7 .cse9)))) [2019-11-23 20:54:47,771 INFO L444 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:47,771 INFO L444 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:47,771 INFO L444 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2019-11-23 20:54:47,771 INFO L444 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2019-11-23 20:54:47,771 INFO L444 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2019-11-23 20:54:47,771 INFO L444 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2019-11-23 20:54:47,771 INFO L444 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2019-11-23 20:54:47,772 INFO L444 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2019-11-23 20:54:47,772 INFO L447 ceAbstractionStarter]: At program point L600(lines 600 617) the Hoare annotation is: true [2019-11-23 20:54:47,772 INFO L444 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:47,772 INFO L444 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:47,772 INFO L444 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2019-11-23 20:54:47,772 INFO L444 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2019-11-23 20:54:47,772 INFO L444 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2019-11-23 20:54:47,772 INFO L444 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2019-11-23 20:54:47,773 INFO L444 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2019-11-23 20:54:47,773 INFO L444 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2019-11-23 20:54:47,773 INFO L444 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2019-11-23 20:54:47,773 INFO L444 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2019-11-23 20:54:47,773 INFO L444 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2019-11-23 20:54:47,773 INFO L444 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:47,773 INFO L444 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:47,773 INFO L444 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2019-11-23 20:54:47,774 INFO L444 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2019-11-23 20:54:47,776 INFO L444 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2019-11-23 20:54:47,776 INFO L444 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2019-11-23 20:54:47,776 INFO L444 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2019-11-23 20:54:47,776 INFO L444 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2019-11-23 20:54:47,777 INFO L440 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse2 (= ~a28~0 7)) (.cse7 (= ~a11~0 1))) (let ((.cse5 (= ~a25~0 1)) (.cse0 (= ~a17~0 8)) (.cse3 (not .cse7)) (.cse4 (<= ~a19~0 0)) (.cse1 (= ~a19~0 1)) (.cse8 (not .cse2)) (.cse6 (<= ~a17~0 8)) (.cse9 (not (= ~a28~0 11)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 (not .cse5) .cse2 .cse6 .cse7) (and .cse1 .cse6 .cse5) (and .cse4 .cse0 .cse2 .cse3) (and .cse4 .cse8 .cse6 .cse9) (and .cse8 .cse1 .cse6 .cse9) (and .cse8 .cse6 .cse7 .cse9)))) [2019-11-23 20:54:47,777 INFO L444 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:47,777 INFO L444 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:47,777 INFO L444 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2019-11-23 20:54:47,777 INFO L444 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2019-11-23 20:54:47,778 INFO L444 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2019-11-23 20:54:47,778 INFO L444 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2019-11-23 20:54:47,778 INFO L444 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2019-11-23 20:54:47,778 INFO L444 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:47,778 INFO L444 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:47,778 INFO L444 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2019-11-23 20:54:47,778 INFO L444 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2019-11-23 20:54:47,778 INFO L444 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2019-11-23 20:54:47,779 INFO L444 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2019-11-23 20:54:47,779 INFO L444 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2019-11-23 20:54:47,779 INFO L444 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2019-11-23 20:54:47,779 INFO L444 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2019-11-23 20:54:47,779 INFO L444 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2019-11-23 20:54:47,779 INFO L444 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2019-11-23 20:54:47,779 INFO L444 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:47,779 INFO L444 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:47,780 INFO L444 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2019-11-23 20:54:47,780 INFO L444 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:47,780 INFO L444 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2019-11-23 20:54:47,780 INFO L444 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2019-11-23 20:54:47,780 INFO L444 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2019-11-23 20:54:47,780 INFO L444 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2019-11-23 20:54:47,780 INFO L444 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2019-11-23 20:54:47,780 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-23 20:54:47,781 INFO L444 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2019-11-23 20:54:47,781 INFO L444 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:47,781 INFO L444 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:47,781 INFO L444 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:47,781 INFO L444 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2019-11-23 20:54:47,781 INFO L444 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2019-11-23 20:54:47,781 INFO L444 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2019-11-23 20:54:47,781 INFO L444 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2019-11-23 20:54:47,782 INFO L444 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2019-11-23 20:54:47,782 INFO L444 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:47,782 INFO L444 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:47,782 INFO L444 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:47,782 INFO L444 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2019-11-23 20:54:47,782 INFO L444 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2019-11-23 20:54:47,782 INFO L444 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2019-11-23 20:54:47,782 INFO L444 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2019-11-23 20:54:47,783 INFO L444 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2019-11-23 20:54:47,783 INFO L444 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2019-11-23 20:54:47,783 INFO L444 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:47,783 INFO L444 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:47,783 INFO L444 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:47,783 INFO L444 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2019-11-23 20:54:47,783 INFO L444 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2019-11-23 20:54:47,783 INFO L444 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2019-11-23 20:54:47,783 INFO L444 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2019-11-23 20:54:47,783 INFO L444 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2019-11-23 20:54:47,784 INFO L444 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2019-11-23 20:54:47,784 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-23 20:54:47,784 INFO L444 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2019-11-23 20:54:47,784 INFO L444 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2019-11-23 20:54:47,784 INFO L444 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:47,784 INFO L444 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:47,785 INFO L444 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:47,785 INFO L444 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2019-11-23 20:54:47,785 INFO L444 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2019-11-23 20:54:47,785 INFO L444 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2019-11-23 20:54:47,785 INFO L444 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2019-11-23 20:54:47,785 INFO L444 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2019-11-23 20:54:47,785 INFO L444 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:47,785 INFO L444 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:47,785 INFO L444 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:54:47,786 INFO L444 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2019-11-23 20:54:47,786 INFO L444 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2019-11-23 20:54:47,786 INFO L444 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2019-11-23 20:54:47,786 INFO L444 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2019-11-23 20:54:47,786 INFO L444 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2019-11-23 20:54:47,786 INFO L444 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2019-11-23 20:54:47,787 INFO L444 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2019-11-23 20:54:47,787 INFO L444 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2019-11-23 20:54:47,787 INFO L444 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2019-11-23 20:54:47,787 INFO L444 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2019-11-23 20:54:47,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 08:54:47 BoogieIcfgContainer [2019-11-23 20:54:47,817 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-23 20:54:47,819 INFO L168 Benchmark]: Toolchain (without parser) took 11695.31 ms. Allocated memory was 138.4 MB in the beginning and 366.0 MB in the end (delta: 227.5 MB). Free memory was 101.2 MB in the beginning and 184.7 MB in the end (delta: -83.4 MB). Peak memory consumption was 144.1 MB. Max. memory is 7.1 GB. [2019-11-23 20:54:47,821 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 138.4 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-11-23 20:54:47,822 INFO L168 Benchmark]: CACSL2BoogieTranslator took 722.88 ms. Allocated memory was 138.4 MB in the beginning and 203.4 MB in the end (delta: 65.0 MB). Free memory was 101.0 MB in the beginning and 167.0 MB in the end (delta: -65.9 MB). Peak memory consumption was 29.8 MB. Max. memory is 7.1 GB. [2019-11-23 20:54:47,827 INFO L168 Benchmark]: Boogie Procedure Inliner took 90.37 ms. Allocated memory is still 203.4 MB. Free memory was 167.0 MB in the beginning and 161.4 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 7.1 GB. [2019-11-23 20:54:47,829 INFO L168 Benchmark]: Boogie Preprocessor took 89.49 ms. Allocated memory is still 203.4 MB. Free memory was 161.4 MB in the beginning and 157.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-11-23 20:54:47,830 INFO L168 Benchmark]: RCFGBuilder took 1365.50 ms. Allocated memory was 203.4 MB in the beginning and 236.5 MB in the end (delta: 33.0 MB). Free memory was 157.2 MB in the beginning and 167.5 MB in the end (delta: -10.3 MB). Peak memory consumption was 77.1 MB. Max. memory is 7.1 GB. [2019-11-23 20:54:47,833 INFO L168 Benchmark]: TraceAbstraction took 9422.10 ms. Allocated memory was 236.5 MB in the beginning and 366.0 MB in the end (delta: 129.5 MB). Free memory was 167.5 MB in the beginning and 184.7 MB in the end (delta: -17.2 MB). Peak memory consumption was 112.3 MB. Max. memory is 7.1 GB. [2019-11-23 20:54:47,847 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 138.4 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 722.88 ms. Allocated memory was 138.4 MB in the beginning and 203.4 MB in the end (delta: 65.0 MB). Free memory was 101.0 MB in the beginning and 167.0 MB in the end (delta: -65.9 MB). Peak memory consumption was 29.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 90.37 ms. Allocated memory is still 203.4 MB. Free memory was 167.0 MB in the beginning and 161.4 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 89.49 ms. Allocated memory is still 203.4 MB. Free memory was 161.4 MB in the beginning and 157.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1365.50 ms. Allocated memory was 203.4 MB in the beginning and 236.5 MB in the end (delta: 33.0 MB). Free memory was 157.2 MB in the beginning and 167.5 MB in the end (delta: -10.3 MB). Peak memory consumption was 77.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 9422.10 ms. Allocated memory was 236.5 MB in the beginning and 366.0 MB in the end (delta: 129.5 MB). Free memory was 167.5 MB in the beginning and 184.7 MB in the end (delta: -17.2 MB). Peak memory consumption was 112.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 439]: 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 && a19 == 1) && a28 == 7) && !(a11 == 1)) || ((((a19 <= 0 && !(a25 == 1)) && a28 == 7) && a17 <= 8) && a11 == 1)) || ((a19 == 1 && a17 <= 8) && a25 == 1)) || (((a19 <= 0 && a17 == 8) && a28 == 7) && !(a11 == 1))) || (((a19 <= 0 && !(a28 == 7)) && a17 <= 8) && !(a28 == 11))) || (((!(a28 == 7) && a19 == 1) && a17 <= 8) && !(a28 == 11))) || (((!(a28 == 7) && a17 <= 8) && a11 == 1) && !(a28 == 11)) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ((((((((a17 == 8 && a19 == 1) && a28 == 7) && !(a11 == 1)) || ((((a19 <= 0 && !(a25 == 1)) && a28 == 7) && a17 <= 8) && a11 == 1)) || ((a19 == 1 && a17 <= 8) && a25 == 1)) || (((a19 <= 0 && a17 == 8) && a28 == 7) && !(a11 == 1))) || (((a19 <= 0 && !(a28 == 7)) && a17 <= 8) && !(a28 == 11))) || (((!(a28 == 7) && a19 == 1) && a17 <= 8) && !(a28 == 11))) || (((!(a28 == 7) && a17 <= 8) && a11 == 1) && !(a28 == 11)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 locations, 1 error locations. Result: SAFE, OverallTime: 9.3s, OverallIterations: 9, TraceHistogramMax: 4, AutomataDifference: 6.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, HoareTripleCheckerStatistics: 1117 SDtfs, 1809 SDslu, 167 SDs, 0 SdLazy, 4138 SolverSat, 760 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 294 GetRequests, 270 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1836occurred in iteration=6, 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, 9 MinimizatonAttempts, 863 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 46 NumberOfFragments, 203 HoareAnnotationTreeSize, 3 FomulaSimplifications, 834 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 416 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 1279 NumberOfCodeBlocks, 1279 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1268 ConstructedInterpolants, 0 QuantifiedInterpolants, 386099 SizeOfPredicates, 1 NumberOfNonLiveVariables, 505 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 401/405 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...