/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/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label06.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-06 19:04:17,406 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 19:04:17,408 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 19:04:17,420 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-11-06 19:04:17,429 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 19:04:17,430 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 19:04:17,431 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 19:04:17,432 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 19:04:17,433 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 19:04:17,434 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 19:04:17,435 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 19:04:17,437 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 19:04:17,439 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 19:04:17,440 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 19:04:17,441 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 19:04:17,441 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 19:04:17,443 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-06 19:04:17,451 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 19:04:17,451 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 19:04:17,452 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 19:04:17,453 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 [2019-11-06 19:04:17,466 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 19:04:17,467 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 19:04:17,468 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 19:04:17,468 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 19:04:17,468 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 19:04:17,468 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 19:04:17,469 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 19:04:17,469 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 19:04:17,469 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 19:04:17,469 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 19:04:17,469 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 19:04:17,470 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 19:04:17,470 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 19:04:17,470 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 19:04:17,470 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 19:04:17,470 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 19:04:17,470 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 19:04:17,471 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 19:04:17,471 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 19:04:17,471 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 19:04:17,471 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 19:04:17,471 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 19:04:17,472 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 19:04:17,472 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 19:04:17,472 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 19:04:17,472 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 19:04:17,472 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 19:04:17,473 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 19:04:17,473 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-06 19:04:17,742 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 19:04:17,762 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 19:04:17,767 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 19:04:17,768 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 19:04:17,769 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 19:04:17,769 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label06.c [2019-11-06 19:04:17,843 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09637fbed/729b0ec907924b3cb6118b5e32cc549b/FLAG777f16cc8 [2019-11-06 19:04:18,371 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 19:04:18,371 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label06.c [2019-11-06 19:04:18,383 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09637fbed/729b0ec907924b3cb6118b5e32cc549b/FLAG777f16cc8 [2019-11-06 19:04:18,668 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09637fbed/729b0ec907924b3cb6118b5e32cc549b [2019-11-06 19:04:18,682 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 19:04:18,684 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 19:04:18,685 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 19:04:18,685 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 19:04:18,689 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 19:04:18,690 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 07:04:18" (1/1) ... [2019-11-06 19:04:18,693 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78bcaca8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:04:18, skipping insertion in model container [2019-11-06 19:04:18,693 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 07:04:18" (1/1) ... [2019-11-06 19:04:18,702 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 19:04:18,769 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 19:04:19,401 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 19:04:19,406 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 19:04:19,560 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 19:04:19,592 INFO L192 MainTranslator]: Completed translation [2019-11-06 19:04:19,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:04:19 WrapperNode [2019-11-06 19:04:19,593 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 19:04:19,594 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 19:04:19,594 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 19:04:19,594 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 19:04:19,614 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:04:19" (1/1) ... [2019-11-06 19:04:19,614 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:04:19" (1/1) ... [2019-11-06 19:04:19,648 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:04:19" (1/1) ... [2019-11-06 19:04:19,648 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:04:19" (1/1) ... [2019-11-06 19:04:19,711 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:04:19" (1/1) ... [2019-11-06 19:04:19,733 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:04:19" (1/1) ... [2019-11-06 19:04:19,750 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:04:19" (1/1) ... [2019-11-06 19:04:19,761 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 19:04:19,762 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 19:04:19,762 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 19:04:19,762 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 19:04:19,763 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:04:19" (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 [2019-11-06 19:04:19,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 19:04:19,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 19:04:19,848 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-11-06 19:04:19,849 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 19:04:19,849 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-11-06 19:04:19,850 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 19:04:19,850 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 19:04:19,850 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-06 19:04:19,851 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 19:04:19,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 19:04:19,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 19:04:21,135 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 19:04:21,136 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-06 19:04:21,137 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 07:04:21 BoogieIcfgContainer [2019-11-06 19:04:21,138 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 19:04:21,139 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 19:04:21,139 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 19:04:21,142 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 19:04:21,143 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 07:04:18" (1/3) ... [2019-11-06 19:04:21,143 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57f8a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 07:04:21, skipping insertion in model container [2019-11-06 19:04:21,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:04:19" (2/3) ... [2019-11-06 19:04:21,144 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57f8a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 07:04:21, skipping insertion in model container [2019-11-06 19:04:21,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 07:04:21" (3/3) ... [2019-11-06 19:04:21,146 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label06.c [2019-11-06 19:04:21,156 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 19:04:21,164 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 19:04:21,176 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 19:04:21,203 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 19:04:21,203 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 19:04:21,204 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 19:04:21,204 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 19:04:21,204 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 19:04:21,204 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 19:04:21,204 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 19:04:21,205 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 19:04:21,228 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2019-11-06 19:04:21,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-06 19:04:21,235 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 19:04:21,236 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] [2019-11-06 19:04:21,238 INFO L410 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 19:04:21,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 19:04:21,244 INFO L82 PathProgramCache]: Analyzing trace with hash -1307500665, now seen corresponding path program 1 times [2019-11-06 19:04:21,253 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 19:04:21,253 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256004799] [2019-11-06 19:04:21,254 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 19:04:21,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:04:21,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:04:21,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 19:04:21,542 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256004799] [2019-11-06 19:04:21,543 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 19:04:21,543 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-06 19:04:21,545 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116338663] [2019-11-06 19:04:21,550 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-06 19:04:21,550 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 19:04:21,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-06 19:04:21,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-06 19:04:21,568 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 5 states. [2019-11-06 19:04:23,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 19:04:23,610 INFO L93 Difference]: Finished difference Result 730 states and 1300 transitions. [2019-11-06 19:04:23,610 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-06 19:04:23,612 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2019-11-06 19:04:23,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 19:04:23,636 INFO L225 Difference]: With dead ends: 730 [2019-11-06 19:04:23,637 INFO L226 Difference]: Without dead ends: 447 [2019-11-06 19:04:23,645 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-11-06 19:04:23,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2019-11-06 19:04:23,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 443. [2019-11-06 19:04:23,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2019-11-06 19:04:23,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 595 transitions. [2019-11-06 19:04:23,724 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 595 transitions. Word has length 30 [2019-11-06 19:04:23,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 19:04:23,725 INFO L462 AbstractCegarLoop]: Abstraction has 443 states and 595 transitions. [2019-11-06 19:04:23,725 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-06 19:04:23,725 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 595 transitions. [2019-11-06 19:04:23,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2019-11-06 19:04:23,732 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 19:04:23,733 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] [2019-11-06 19:04:23,734 INFO L410 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 19:04:23,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 19:04:23,735 INFO L82 PathProgramCache]: Analyzing trace with hash -2136138939, now seen corresponding path program 1 times [2019-11-06 19:04:23,735 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 19:04:23,735 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781583778] [2019-11-06 19:04:23,735 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 19:04:23,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:04:23,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:04:23,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:04:23,995 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 19:04:23,996 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781583778] [2019-11-06 19:04:23,996 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [190800826] [2019-11-06 19:04:23,996 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 [2019-11-06 19:04:24,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:04:24,095 INFO L256 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-06 19:04:24,104 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 19:04:24,161 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 19:04:24,161 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-06 19:04:24,162 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2019-11-06 19:04:24,163 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913249536] [2019-11-06 19:04:24,164 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 19:04:24,164 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 19:04:24,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 19:04:24,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-11-06 19:04:24,165 INFO L87 Difference]: Start difference. First operand 443 states and 595 transitions. Second operand 3 states. [2019-11-06 19:04:24,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 19:04:24,818 INFO L93 Difference]: Finished difference Result 880 states and 1198 transitions. [2019-11-06 19:04:24,821 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 19:04:24,821 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 109 [2019-11-06 19:04:24,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 19:04:24,827 INFO L225 Difference]: With dead ends: 880 [2019-11-06 19:04:24,827 INFO L226 Difference]: Without dead ends: 878 [2019-11-06 19:04:24,829 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-11-06 19:04:24,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 878 states. [2019-11-06 19:04:24,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 878 to 735. [2019-11-06 19:04:24,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 735 states. [2019-11-06 19:04:24,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 735 states and 1029 transitions. [2019-11-06 19:04:24,885 INFO L78 Accepts]: Start accepts. Automaton has 735 states and 1029 transitions. Word has length 109 [2019-11-06 19:04:24,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 19:04:24,886 INFO L462 AbstractCegarLoop]: Abstraction has 735 states and 1029 transitions. [2019-11-06 19:04:24,886 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 19:04:24,886 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 1029 transitions. [2019-11-06 19:04:24,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2019-11-06 19:04:24,891 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 19:04:24,891 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 19:04:25,095 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 19:04:25,101 INFO L410 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 19:04:25,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 19:04:25,102 INFO L82 PathProgramCache]: Analyzing trace with hash -831400030, now seen corresponding path program 1 times [2019-11-06 19:04:25,102 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 19:04:25,104 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853536263] [2019-11-06 19:04:25,104 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 19:04:25,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:04:25,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:04:25,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:04:25,449 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 19:04:25,450 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853536263] [2019-11-06 19:04:25,450 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 19:04:25,450 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-06 19:04:25,450 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919417021] [2019-11-06 19:04:25,451 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-06 19:04:25,451 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 19:04:25,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-06 19:04:25,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2019-11-06 19:04:25,452 INFO L87 Difference]: Start difference. First operand 735 states and 1029 transitions. Second operand 9 states. [2019-11-06 19:04:26,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 19:04:26,950 INFO L93 Difference]: Finished difference Result 1790 states and 2576 transitions. [2019-11-06 19:04:26,952 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-06 19:04:26,952 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 152 [2019-11-06 19:04:26,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 19:04:26,960 INFO L225 Difference]: With dead ends: 1790 [2019-11-06 19:04:26,960 INFO L226 Difference]: Without dead ends: 1061 [2019-11-06 19:04:26,963 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2019-11-06 19:04:26,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1061 states. [2019-11-06 19:04:27,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1061 to 1035. [2019-11-06 19:04:27,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1035 states. [2019-11-06 19:04:27,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 1035 states and 1359 transitions. [2019-11-06 19:04:27,007 INFO L78 Accepts]: Start accepts. Automaton has 1035 states and 1359 transitions. Word has length 152 [2019-11-06 19:04:27,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 19:04:27,008 INFO L462 AbstractCegarLoop]: Abstraction has 1035 states and 1359 transitions. [2019-11-06 19:04:27,008 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-06 19:04:27,008 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 1359 transitions. [2019-11-06 19:04:27,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2019-11-06 19:04:27,014 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 19:04:27,014 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 19:04:27,015 INFO L410 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 19:04:27,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 19:04:27,015 INFO L82 PathProgramCache]: Analyzing trace with hash -1939539595, now seen corresponding path program 1 times [2019-11-06 19:04:27,015 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 19:04:27,016 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220663498] [2019-11-06 19:04:27,016 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 19:04:27,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:04:27,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:04:27,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:04:27,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:04:27,308 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 113 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-06 19:04:27,309 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220663498] [2019-11-06 19:04:27,309 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1789248055] [2019-11-06 19:04:27,309 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 [2019-11-06 19:04:27,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:04:27,423 INFO L256 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-06 19:04:27,429 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 19:04:27,490 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 114 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 19:04:27,490 INFO L218 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-06 19:04:27,491 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2019-11-06 19:04:27,491 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685285523] [2019-11-06 19:04:27,492 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-06 19:04:27,492 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 19:04:27,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-06 19:04:27,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-11-06 19:04:27,493 INFO L87 Difference]: Start difference. First operand 1035 states and 1359 transitions. Second operand 11 states. [2019-11-06 19:04:30,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 19:04:30,699 INFO L93 Difference]: Finished difference Result 2601 states and 3691 transitions. [2019-11-06 19:04:30,699 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-11-06 19:04:30,699 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 182 [2019-11-06 19:04:30,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 19:04:30,715 INFO L225 Difference]: With dead ends: 2601 [2019-11-06 19:04:30,715 INFO L226 Difference]: Without dead ends: 1572 [2019-11-06 19:04:30,719 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=150, Invalid=356, Unknown=0, NotChecked=0, Total=506 [2019-11-06 19:04:30,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1572 states. [2019-11-06 19:04:30,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1572 to 1240. [2019-11-06 19:04:30,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1240 states. [2019-11-06 19:04:30,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1240 states to 1240 states and 1602 transitions. [2019-11-06 19:04:30,802 INFO L78 Accepts]: Start accepts. Automaton has 1240 states and 1602 transitions. Word has length 182 [2019-11-06 19:04:30,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 19:04:30,803 INFO L462 AbstractCegarLoop]: Abstraction has 1240 states and 1602 transitions. [2019-11-06 19:04:30,803 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-06 19:04:30,803 INFO L276 IsEmpty]: Start isEmpty. Operand 1240 states and 1602 transitions. [2019-11-06 19:04:30,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2019-11-06 19:04:30,809 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 19:04:30,810 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 19:04:31,014 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 19:04:31,014 INFO L410 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 19:04:31,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 19:04:31,016 INFO L82 PathProgramCache]: Analyzing trace with hash 67356180, now seen corresponding path program 1 times [2019-11-06 19:04:31,016 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 19:04:31,016 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14264409] [2019-11-06 19:04:31,017 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 19:04:31,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:04:31,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:04:31,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:04:31,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:04:31,327 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 120 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-06 19:04:31,328 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14264409] [2019-11-06 19:04:31,328 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1024188079] [2019-11-06 19:04:31,329 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 19:04:31,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:04:31,411 INFO L256 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-06 19:04:31,419 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 19:04:31,477 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 121 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 19:04:31,477 INFO L218 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-06 19:04:31,478 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2019-11-06 19:04:31,478 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265566618] [2019-11-06 19:04:31,479 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-06 19:04:31,479 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 19:04:31,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-06 19:04:31,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-11-06 19:04:31,480 INFO L87 Difference]: Start difference. First operand 1240 states and 1602 transitions. Second operand 11 states. [2019-11-06 19:04:33,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 19:04:33,487 INFO L93 Difference]: Finished difference Result 2466 states and 3171 transitions. [2019-11-06 19:04:33,488 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-11-06 19:04:33,488 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 189 [2019-11-06 19:04:33,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 19:04:33,498 INFO L225 Difference]: With dead ends: 2466 [2019-11-06 19:04:33,498 INFO L226 Difference]: Without dead ends: 1232 [2019-11-06 19:04:33,504 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=122, Invalid=298, Unknown=0, NotChecked=0, Total=420 [2019-11-06 19:04:33,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1232 states. [2019-11-06 19:04:33,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1232 to 1208. [2019-11-06 19:04:33,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1208 states. [2019-11-06 19:04:33,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1208 states to 1208 states and 1475 transitions. [2019-11-06 19:04:33,545 INFO L78 Accepts]: Start accepts. Automaton has 1208 states and 1475 transitions. Word has length 189 [2019-11-06 19:04:33,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 19:04:33,545 INFO L462 AbstractCegarLoop]: Abstraction has 1208 states and 1475 transitions. [2019-11-06 19:04:33,545 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-06 19:04:33,546 INFO L276 IsEmpty]: Start isEmpty. Operand 1208 states and 1475 transitions. [2019-11-06 19:04:33,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2019-11-06 19:04:33,550 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 19:04:33,550 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 19:04:33,754 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 19:04:33,755 INFO L410 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 19:04:33,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 19:04:33,756 INFO L82 PathProgramCache]: Analyzing trace with hash 191252768, now seen corresponding path program 1 times [2019-11-06 19:04:33,756 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 19:04:33,757 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382303163] [2019-11-06 19:04:33,757 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 19:04:33,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:04:33,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:04:33,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:04:33,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:04:33,986 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 47 proven. 2 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2019-11-06 19:04:33,987 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382303163] [2019-11-06 19:04:33,987 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1770630405] [2019-11-06 19:04:33,987 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 19:04:34,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:04:34,071 INFO L256 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-06 19:04:34,075 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 19:04:34,129 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2019-11-06 19:04:34,130 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-06 19:04:34,130 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2019-11-06 19:04:34,130 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826064608] [2019-11-06 19:04:34,131 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 19:04:34,131 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 19:04:34,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 19:04:34,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-11-06 19:04:34,132 INFO L87 Difference]: Start difference. First operand 1208 states and 1475 transitions. Second operand 3 states. [2019-11-06 19:04:34,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 19:04:34,675 INFO L93 Difference]: Finished difference Result 1641 states and 2001 transitions. [2019-11-06 19:04:34,675 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 19:04:34,675 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 199 [2019-11-06 19:04:34,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 19:04:34,676 INFO L225 Difference]: With dead ends: 1641 [2019-11-06 19:04:34,676 INFO L226 Difference]: Without dead ends: 0 [2019-11-06 19:04:34,680 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-11-06 19:04:34,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-06 19:04:34,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-06 19:04:34,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-06 19:04:34,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-06 19:04:34,681 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 199 [2019-11-06 19:04:34,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 19:04:34,682 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-06 19:04:34,682 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 19:04:34,683 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-06 19:04:34,683 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-06 19:04:34,886 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 19:04:34,894 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-06 19:04:35,434 WARN L191 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 26 [2019-11-06 19:04:35,616 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 24 [2019-11-06 19:04:35,761 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 24 [2019-11-06 19:04:35,764 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-11-06 19:04:35,764 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~a10~0 |old(~a10~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~a19~0 |old(~a19~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a1~0 |old(~a1~0)|)) [2019-11-06 19:04:35,764 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-06 19:04:35,765 INFO L443 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2019-11-06 19:04:35,766 INFO L443 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:35,766 INFO L443 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:35,766 INFO L443 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:35,767 INFO L443 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:35,767 INFO L443 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:35,767 INFO L443 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:35,767 INFO L443 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2019-11-06 19:04:35,767 INFO L443 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2019-11-06 19:04:35,767 INFO L443 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-11-06 19:04:35,767 INFO L443 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2019-11-06 19:04:35,767 INFO L443 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2019-11-06 19:04:35,768 INFO L443 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2019-11-06 19:04:35,768 INFO L443 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2019-11-06 19:04:35,768 INFO L443 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2019-11-06 19:04:35,768 INFO L443 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 76) no Hoare annotation was computed. [2019-11-06 19:04:35,768 INFO L443 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2019-11-06 19:04:35,768 INFO L443 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2019-11-06 19:04:35,768 INFO L443 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2019-11-06 19:04:35,768 INFO L443 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:35,769 INFO L443 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:35,769 INFO L443 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:35,769 INFO L443 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:35,769 INFO L443 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:35,769 INFO L443 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2019-11-06 19:04:35,769 INFO L443 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2019-11-06 19:04:35,770 INFO L443 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2019-11-06 19:04:35,770 INFO L443 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2019-11-06 19:04:35,771 INFO L443 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2019-11-06 19:04:35,771 INFO L443 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2019-11-06 19:04:35,772 INFO L443 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2019-11-06 19:04:35,772 INFO L443 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2019-11-06 19:04:35,772 INFO L443 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2019-11-06 19:04:35,772 INFO L443 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2019-11-06 19:04:35,773 INFO L443 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2019-11-06 19:04:35,773 INFO L443 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2019-11-06 19:04:35,773 INFO L443 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2019-11-06 19:04:35,773 INFO L443 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2019-11-06 19:04:35,775 INFO L443 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:35,775 INFO L443 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:35,776 INFO L443 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:35,776 INFO L443 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:35,776 INFO L443 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:35,776 INFO L443 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2019-11-06 19:04:35,776 INFO L443 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-11-06 19:04:35,776 INFO L443 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2019-11-06 19:04:35,776 INFO L443 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2019-11-06 19:04:35,776 INFO L443 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2019-11-06 19:04:35,777 INFO L443 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2019-11-06 19:04:35,777 INFO L443 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2019-11-06 19:04:35,777 INFO L443 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2019-11-06 19:04:35,777 INFO L443 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2019-11-06 19:04:35,777 INFO L443 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2019-11-06 19:04:35,777 INFO L443 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:35,777 INFO L443 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:35,778 INFO L443 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:35,778 INFO L443 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:35,778 INFO L443 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:35,778 INFO L443 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2019-11-06 19:04:35,778 INFO L443 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2019-11-06 19:04:35,778 INFO L443 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2019-11-06 19:04:35,778 INFO L443 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2019-11-06 19:04:35,779 INFO L443 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2019-11-06 19:04:35,779 INFO L443 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2019-11-06 19:04:35,779 INFO L443 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2019-11-06 19:04:35,779 INFO L443 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2019-11-06 19:04:35,782 INFO L443 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2019-11-06 19:04:35,783 INFO L443 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2019-11-06 19:04:35,784 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2019-11-06 19:04:35,785 INFO L443 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2019-11-06 19:04:35,785 INFO L443 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2019-11-06 19:04:35,785 INFO L443 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:35,785 INFO L443 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:35,785 INFO L443 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:35,785 INFO L443 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:35,786 INFO L443 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:35,787 INFO L443 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2019-11-06 19:04:35,787 INFO L443 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2019-11-06 19:04:35,787 INFO L443 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2019-11-06 19:04:35,787 INFO L443 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-11-06 19:04:35,787 INFO L443 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2019-11-06 19:04:35,788 INFO L443 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2019-11-06 19:04:35,791 INFO L443 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2019-11-06 19:04:35,791 INFO L443 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2019-11-06 19:04:35,791 INFO L443 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2019-11-06 19:04:35,791 INFO L443 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:35,791 INFO L443 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:35,791 INFO L443 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:35,792 INFO L443 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:35,792 INFO L443 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:35,792 INFO L443 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:35,792 INFO L443 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:35,792 INFO L443 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2019-11-06 19:04:35,792 INFO L443 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2019-11-06 19:04:35,792 INFO L443 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2019-11-06 19:04:35,792 INFO L443 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2019-11-06 19:04:35,793 INFO L443 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2019-11-06 19:04:35,793 INFO L443 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2019-11-06 19:04:35,793 INFO L443 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-11-06 19:04:35,793 INFO L443 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-11-06 19:04:35,793 INFO L443 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2019-11-06 19:04:35,793 INFO L443 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2019-11-06 19:04:35,793 INFO L443 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2019-11-06 19:04:35,793 INFO L443 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2019-11-06 19:04:35,793 INFO L443 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2019-11-06 19:04:35,794 INFO L443 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:35,796 INFO L443 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:35,796 INFO L443 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:35,796 INFO L443 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:35,796 INFO L443 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2019-11-06 19:04:35,796 INFO L443 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:35,796 INFO L443 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:35,796 INFO L443 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2019-11-06 19:04:35,796 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2019-11-06 19:04:35,797 INFO L443 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2019-11-06 19:04:35,797 INFO L443 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2019-11-06 19:04:35,797 INFO L443 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2019-11-06 19:04:35,797 INFO L443 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2019-11-06 19:04:35,797 INFO L443 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-11-06 19:04:35,797 INFO L443 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2019-11-06 19:04:35,797 INFO L443 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2019-11-06 19:04:35,797 INFO L443 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2019-11-06 19:04:35,797 INFO L443 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2019-11-06 19:04:35,798 INFO L443 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2019-11-06 19:04:35,798 INFO L443 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2019-11-06 19:04:35,798 INFO L443 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:35,798 INFO L443 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:35,798 INFO L443 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:35,798 INFO L443 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:35,798 INFO L443 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:35,798 INFO L443 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:35,798 INFO L443 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2019-11-06 19:04:35,798 INFO L443 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2019-11-06 19:04:35,799 INFO L443 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2019-11-06 19:04:35,799 INFO L443 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2019-11-06 19:04:35,799 INFO L443 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2019-11-06 19:04:35,799 INFO L443 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2019-11-06 19:04:35,799 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-11-06 19:04:35,799 INFO L443 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2019-11-06 19:04:35,799 INFO L443 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2019-11-06 19:04:35,799 INFO L443 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2019-11-06 19:04:35,799 INFO L443 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2019-11-06 19:04:35,800 INFO L439 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse2 (= ~a1~0 |old(~a1~0)|)) (.cse0 (= ~a10~0 |old(~a10~0)|)) (.cse1 (= ~a19~0 |old(~a19~0)|))) (and (or (or (not (<= |old(~a19~0)| 9)) (= 1 |old(~a10~0)|)) (and .cse0 .cse1 .cse2)) (or (not (<= |old(~a10~0)| 2)) (not (<= 7 |old(~a19~0)|)) (and .cse2 .cse0 .cse1)))) [2019-11-06 19:04:35,800 INFO L443 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2019-11-06 19:04:35,800 INFO L443 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2019-11-06 19:04:35,800 INFO L443 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2019-11-06 19:04:35,801 INFO L443 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:35,801 INFO L443 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:35,801 INFO L443 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:35,801 INFO L443 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:35,801 INFO L443 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:35,801 INFO L443 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:35,801 INFO L443 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2019-11-06 19:04:35,801 INFO L443 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-11-06 19:04:35,801 INFO L443 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2019-11-06 19:04:35,802 INFO L443 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2019-11-06 19:04:35,802 INFO L443 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2019-11-06 19:04:35,802 INFO L443 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2019-11-06 19:04:35,802 INFO L443 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2019-11-06 19:04:35,802 INFO L443 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2019-11-06 19:04:35,802 INFO L443 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2019-11-06 19:04:35,802 INFO L443 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2019-11-06 19:04:35,802 INFO L443 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2019-11-06 19:04:35,802 INFO L443 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2019-11-06 19:04:35,802 INFO L443 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2019-11-06 19:04:35,803 INFO L443 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:35,803 INFO L443 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:35,803 INFO L443 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:35,803 INFO L443 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:35,804 INFO L443 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:35,804 INFO L443 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:35,804 INFO L443 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2019-11-06 19:04:35,804 INFO L443 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2019-11-06 19:04:35,804 INFO L443 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2019-11-06 19:04:35,804 INFO L443 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2019-11-06 19:04:35,804 INFO L443 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2019-11-06 19:04:35,804 INFO L443 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2019-11-06 19:04:35,804 INFO L443 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2019-11-06 19:04:35,804 INFO L443 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2019-11-06 19:04:35,805 INFO L443 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2019-11-06 19:04:35,805 INFO L443 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2019-11-06 19:04:35,805 INFO L443 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2019-11-06 19:04:35,805 INFO L443 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2019-11-06 19:04:35,805 INFO L443 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:35,805 INFO L443 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:35,805 INFO L443 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:35,805 INFO L443 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:35,805 INFO L443 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:35,806 INFO L443 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:35,806 INFO L443 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2019-11-06 19:04:35,806 INFO L443 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2019-11-06 19:04:35,806 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2019-11-06 19:04:35,806 INFO L443 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2019-11-06 19:04:35,806 INFO L443 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2019-11-06 19:04:35,806 INFO L443 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2019-11-06 19:04:35,806 INFO L443 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2019-11-06 19:04:35,807 INFO L443 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2019-11-06 19:04:35,807 INFO L443 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2019-11-06 19:04:35,807 INFO L443 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2019-11-06 19:04:35,807 INFO L443 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2019-11-06 19:04:35,807 INFO L443 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2019-11-06 19:04:35,807 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-06 19:04:35,807 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a19~0 9) (<= ~a10~0 0) (<= 8 ~a19~0)) [2019-11-06 19:04:35,807 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-06 19:04:35,807 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-06 19:04:35,808 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (and (= ~a1~0 |old(~a1~0)|) (= ~a10~0 |old(~a10~0)|) (= ~a19~0 |old(~a19~0)|)) (not (<= |old(~a19~0)| 9)) (not (<= 8 |old(~a19~0)|)) (not (<= |old(~a10~0)| 0))) [2019-11-06 19:04:35,808 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2019-11-06 19:04:35,808 INFO L439 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (or (and (<= 7 ~a19~0) (<= ~a10~0 2)) (not (<= |old(~a19~0)| 9)) (not (<= |old(~a10~0)| 0)) (and (<= ~a19~0 9) (not (= 1 ~a10~0))) (not (<= 8 |old(~a19~0)|))) [2019-11-06 19:04:35,808 INFO L443 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2019-11-06 19:04:35,808 INFO L443 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2019-11-06 19:04:35,808 INFO L439 ceAbstractionStarter]: At program point L582-2(lines 582 591) the Hoare annotation is: (or (and (<= 7 ~a19~0) (<= ~a10~0 2)) (not (<= |old(~a19~0)| 9)) (not (<= |old(~a10~0)| 0)) (and (<= ~a19~0 9) (not (= 1 ~a10~0))) (not (<= 8 |old(~a19~0)|))) [2019-11-06 19:04:35,808 INFO L443 ceAbstractionStarter]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2019-11-06 19:04:35,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 07:04:35 BoogieIcfgContainer [2019-11-06 19:04:35,828 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-06 19:04:35,835 INFO L168 Benchmark]: Toolchain (without parser) took 17149.96 ms. Allocated memory was 137.9 MB in the beginning and 465.0 MB in the end (delta: 327.2 MB). Free memory was 100.0 MB in the beginning and 329.5 MB in the end (delta: -229.5 MB). Peak memory consumption was 293.2 MB. Max. memory is 7.1 GB. [2019-11-06 19:04:35,841 INFO L168 Benchmark]: CDTParser took 0.49 ms. Allocated memory is still 137.9 MB. Free memory was 119.9 MB in the beginning and 119.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-06 19:04:35,843 INFO L168 Benchmark]: CACSL2BoogieTranslator took 908.73 ms. Allocated memory was 137.9 MB in the beginning and 203.9 MB in the end (delta: 66.1 MB). Free memory was 99.8 MB in the beginning and 169.7 MB in the end (delta: -69.9 MB). Peak memory consumption was 34.4 MB. Max. memory is 7.1 GB. [2019-11-06 19:04:35,844 INFO L168 Benchmark]: Boogie Preprocessor took 167.31 ms. Allocated memory is still 203.9 MB. Free memory was 169.7 MB in the beginning and 164.7 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2019-11-06 19:04:35,845 INFO L168 Benchmark]: RCFGBuilder took 1376.04 ms. Allocated memory was 203.9 MB in the beginning and 236.5 MB in the end (delta: 32.5 MB). Free memory was 164.7 MB in the beginning and 180.7 MB in the end (delta: -15.9 MB). Peak memory consumption was 82.7 MB. Max. memory is 7.1 GB. [2019-11-06 19:04:35,846 INFO L168 Benchmark]: TraceAbstraction took 14692.74 ms. Allocated memory was 236.5 MB in the beginning and 465.0 MB in the end (delta: 228.6 MB). Free memory was 180.7 MB in the beginning and 329.5 MB in the end (delta: -148.9 MB). Peak memory consumption was 275.3 MB. Max. memory is 7.1 GB. [2019-11-06 19:04:35,860 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49 ms. Allocated memory is still 137.9 MB. Free memory was 119.9 MB in the beginning and 119.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 908.73 ms. Allocated memory was 137.9 MB in the beginning and 203.9 MB in the end (delta: 66.1 MB). Free memory was 99.8 MB in the beginning and 169.7 MB in the end (delta: -69.9 MB). Peak memory consumption was 34.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 167.31 ms. Allocated memory is still 203.9 MB. Free memory was 169.7 MB in the beginning and 164.7 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1376.04 ms. Allocated memory was 203.9 MB in the beginning and 236.5 MB in the end (delta: 32.5 MB). Free memory was 164.7 MB in the beginning and 180.7 MB in the end (delta: -15.9 MB). Peak memory consumption was 82.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 14692.74 ms. Allocated memory was 236.5 MB in the beginning and 465.0 MB in the end (delta: 228.6 MB). Free memory was 180.7 MB in the beginning and 329.5 MB in the end (delta: -148.9 MB). Peak memory consumption was 275.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 76]: 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: 582]: Loop Invariant Derived loop invariant: ((((7 <= a19 && a10 <= 2) || !(\old(a19) <= 9)) || !(\old(a10) <= 0)) || (a19 <= 9 && !(1 == a10))) || !(8 <= \old(a19)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Result: SAFE, OverallTime: 14.6s, OverallIterations: 6, TraceHistogramMax: 3, AutomataDifference: 10.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, HoareTripleCheckerStatistics: 191 SDtfs, 3567 SDslu, 270 SDs, 0 SdLazy, 5928 SolverSat, 1507 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 778 GetRequests, 708 SyntacticMatches, 3 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 163 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1240occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 529 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 46 PreInvPairs, 68 NumberOfFragments, 160 HoareAnnotationTreeSize, 46 FomulaSimplifications, 19384 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2167 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 1540 NumberOfCodeBlocks, 1540 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1530 ConstructedInterpolants, 0 QuantifiedInterpolants, 675270 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1338 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 10 InterpolantComputations, 4 PerfectInterpolantSequences, 792/803 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...