/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/Problem11_label23.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-23 21:05:24,484 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-23 21:05:24,486 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-23 21:05:24,504 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-11-23 21:05:24,521 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-23 21:05:24,522 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-23 21:05:24,524 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-23 21:05:24,525 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-23 21:05:24,527 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-23 21:05:24,528 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-23 21:05:24,533 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-23 21:05:24,535 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-23 21:05:24,536 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-23 21:05:24,538 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-23 21:05:24,542 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-23 21:05:24,543 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-23 21:05:24,546 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-23 21:05:24,569 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 21:05:24,584 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-23 21:05:24,584 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-23 21:05:24,586 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-23 21:05:24,586 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-23 21:05:24,586 INFO L138 SettingsManager]: * Use SBE=true [2019-11-23 21:05:24,586 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-23 21:05:24,587 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-23 21:05:24,587 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-23 21:05:24,587 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-23 21:05:24,587 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-23 21:05:24,587 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-23 21:05:24,588 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-23 21:05:24,588 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-23 21:05:24,588 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-23 21:05:24,588 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-23 21:05:24,588 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-23 21:05:24,589 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-23 21:05:24,589 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-23 21:05:24,589 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-23 21:05:24,589 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-23 21:05:24,590 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-23 21:05:24,590 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-23 21:05:24,590 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-23 21:05:24,590 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-23 21:05:24,590 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-23 21:05:24,591 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-23 21:05:24,591 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-23 21:05:24,591 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-23 21:05:24,591 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-23 21:05:24,592 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-23 21:05:24,915 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-23 21:05:24,935 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-23 21:05:24,939 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-23 21:05:24,940 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-23 21:05:24,941 INFO L275 PluginConnector]: CDTParser initialized [2019-11-23 21:05:24,942 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label23.c [2019-11-23 21:05:25,002 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab2632175/2ac504347fdb41b88807e07f8ba8b3f3/FLAG4225e1010 [2019-11-23 21:05:25,600 INFO L306 CDTParser]: Found 1 translation units. [2019-11-23 21:05:25,602 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem11_label23.c [2019-11-23 21:05:25,621 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab2632175/2ac504347fdb41b88807e07f8ba8b3f3/FLAG4225e1010 [2019-11-23 21:05:25,823 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab2632175/2ac504347fdb41b88807e07f8ba8b3f3 [2019-11-23 21:05:25,835 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-23 21:05:25,836 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-23 21:05:25,837 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-23 21:05:25,838 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-23 21:05:25,841 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-23 21:05:25,842 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:05:25" (1/1) ... [2019-11-23 21:05:25,846 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5362047b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:05:25, skipping insertion in model container [2019-11-23 21:05:25,846 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:05:25" (1/1) ... [2019-11-23 21:05:25,855 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-23 21:05:25,927 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-23 21:05:26,568 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 21:05:26,573 INFO L203 MainTranslator]: Completed pre-run [2019-11-23 21:05:26,809 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 21:05:26,830 INFO L208 MainTranslator]: Completed translation [2019-11-23 21:05:26,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:05:26 WrapperNode [2019-11-23 21:05:26,831 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-23 21:05:26,832 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-23 21:05:26,832 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-23 21:05:26,832 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-23 21:05:26,846 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:05:26" (1/1) ... [2019-11-23 21:05:26,874 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:05:26" (1/1) ... [2019-11-23 21:05:26,991 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-23 21:05:26,991 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-23 21:05:26,992 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-23 21:05:26,992 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-23 21:05:27,009 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:05:26" (1/1) ... [2019-11-23 21:05:27,009 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:05:26" (1/1) ... [2019-11-23 21:05:27,028 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:05:26" (1/1) ... [2019-11-23 21:05:27,028 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:05:26" (1/1) ... [2019-11-23 21:05:27,090 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:05:26" (1/1) ... [2019-11-23 21:05:27,126 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:05:26" (1/1) ... [2019-11-23 21:05:27,161 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:05:26" (1/1) ... [2019-11-23 21:05:27,183 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-23 21:05:27,183 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-23 21:05:27,183 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-23 21:05:27,184 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-23 21:05:27,185 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:05:26" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-23 21:05:27,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-23 21:05:27,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-23 21:05:29,093 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-23 21:05:29,093 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-23 21:05:29,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:05:29 BoogieIcfgContainer [2019-11-23 21:05:29,095 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-23 21:05:29,096 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-23 21:05:29,096 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-23 21:05:29,099 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-23 21:05:29,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:05:25" (1/3) ... [2019-11-23 21:05:29,100 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a21ee17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:05:29, skipping insertion in model container [2019-11-23 21:05:29,101 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:05:26" (2/3) ... [2019-11-23 21:05:29,101 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a21ee17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:05:29, skipping insertion in model container [2019-11-23 21:05:29,101 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:05:29" (3/3) ... [2019-11-23 21:05:29,103 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem11_label23.c [2019-11-23 21:05:29,113 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-23 21:05:29,121 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-23 21:05:29,133 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-23 21:05:29,165 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-23 21:05:29,165 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-23 21:05:29,165 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-23 21:05:29,165 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-23 21:05:29,166 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-23 21:05:29,167 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-23 21:05:29,167 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-23 21:05:29,167 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-23 21:05:29,203 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states. [2019-11-23 21:05:29,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-23 21:05:29,216 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:05:29,217 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] [2019-11-23 21:05:29,217 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:05:29,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:05:29,224 INFO L82 PathProgramCache]: Analyzing trace with hash 962891993, now seen corresponding path program 1 times [2019-11-23 21:05:29,232 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:05:29,232 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955423446] [2019-11-23 21:05:29,233 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:05:29,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:05:29,589 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 21:05:29,589 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955423446] [2019-11-23 21:05:29,590 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 21:05:29,591 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 21:05:29,592 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307974905] [2019-11-23 21:05:29,597 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 21:05:29,598 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:05:29,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 21:05:29,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 21:05:29,615 INFO L87 Difference]: Start difference. First operand 283 states. Second operand 4 states. [2019-11-23 21:05:32,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:05:32,010 INFO L93 Difference]: Finished difference Result 959 states and 1737 transitions. [2019-11-23 21:05:32,010 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-23 21:05:32,012 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 65 [2019-11-23 21:05:32,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:05:32,033 INFO L225 Difference]: With dead ends: 959 [2019-11-23 21:05:32,033 INFO L226 Difference]: Without dead ends: 609 [2019-11-23 21:05:32,038 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 21:05:32,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 609 states. [2019-11-23 21:05:32,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 609 to 595. [2019-11-23 21:05:32,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 595 states. [2019-11-23 21:05:32,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 595 states and 899 transitions. [2019-11-23 21:05:32,120 INFO L78 Accepts]: Start accepts. Automaton has 595 states and 899 transitions. Word has length 65 [2019-11-23 21:05:32,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:05:32,121 INFO L462 AbstractCegarLoop]: Abstraction has 595 states and 899 transitions. [2019-11-23 21:05:32,121 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 21:05:32,121 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 899 transitions. [2019-11-23 21:05:32,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2019-11-23 21:05:32,127 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:05:32,127 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-11-23 21:05:32,128 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:05:32,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:05:32,128 INFO L82 PathProgramCache]: Analyzing trace with hash -566112933, now seen corresponding path program 1 times [2019-11-23 21:05:32,128 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:05:32,129 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173693549] [2019-11-23 21:05:32,129 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:05:32,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:05:32,330 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 21:05:32,330 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173693549] [2019-11-23 21:05:32,331 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 21:05:32,331 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 21:05:32,331 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840556534] [2019-11-23 21:05:32,333 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 21:05:32,333 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:05:32,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 21:05:32,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 21:05:32,335 INFO L87 Difference]: Start difference. First operand 595 states and 899 transitions. Second operand 4 states. [2019-11-23 21:05:34,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:05:34,084 INFO L93 Difference]: Finished difference Result 2305 states and 3494 transitions. [2019-11-23 21:05:34,085 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-23 21:05:34,085 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 131 [2019-11-23 21:05:34,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:05:34,096 INFO L225 Difference]: With dead ends: 2305 [2019-11-23 21:05:34,096 INFO L226 Difference]: Without dead ends: 1712 [2019-11-23 21:05:34,099 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 21:05:34,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1712 states. [2019-11-23 21:05:34,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1712 to 1712. [2019-11-23 21:05:34,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1712 states. [2019-11-23 21:05:34,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1712 states to 1712 states and 2295 transitions. [2019-11-23 21:05:34,164 INFO L78 Accepts]: Start accepts. Automaton has 1712 states and 2295 transitions. Word has length 131 [2019-11-23 21:05:34,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:05:34,164 INFO L462 AbstractCegarLoop]: Abstraction has 1712 states and 2295 transitions. [2019-11-23 21:05:34,164 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 21:05:34,165 INFO L276 IsEmpty]: Start isEmpty. Operand 1712 states and 2295 transitions. [2019-11-23 21:05:34,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2019-11-23 21:05:34,169 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:05:34,169 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-11-23 21:05:34,169 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:05:34,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:05:34,170 INFO L82 PathProgramCache]: Analyzing trace with hash -1609433740, now seen corresponding path program 1 times [2019-11-23 21:05:34,170 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:05:34,170 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435482571] [2019-11-23 21:05:34,171 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:05:34,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:05:34,361 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 21:05:34,362 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435482571] [2019-11-23 21:05:34,362 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 21:05:34,362 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 21:05:34,362 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682539876] [2019-11-23 21:05:34,363 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 21:05:34,363 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:05:34,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 21:05:34,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 21:05:34,364 INFO L87 Difference]: Start difference. First operand 1712 states and 2295 transitions. Second operand 4 states. [2019-11-23 21:05:36,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:05:36,239 INFO L93 Difference]: Finished difference Result 6012 states and 8010 transitions. [2019-11-23 21:05:36,240 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-23 21:05:36,240 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 141 [2019-11-23 21:05:36,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:05:36,260 INFO L225 Difference]: With dead ends: 6012 [2019-11-23 21:05:36,261 INFO L226 Difference]: Without dead ends: 4302 [2019-11-23 21:05:36,263 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 21:05:36,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4302 states. [2019-11-23 21:05:36,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4302 to 3184. [2019-11-23 21:05:36,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3184 states. [2019-11-23 21:05:36,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3184 states to 3184 states and 3953 transitions. [2019-11-23 21:05:36,336 INFO L78 Accepts]: Start accepts. Automaton has 3184 states and 3953 transitions. Word has length 141 [2019-11-23 21:05:36,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:05:36,336 INFO L462 AbstractCegarLoop]: Abstraction has 3184 states and 3953 transitions. [2019-11-23 21:05:36,336 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 21:05:36,337 INFO L276 IsEmpty]: Start isEmpty. Operand 3184 states and 3953 transitions. [2019-11-23 21:05:36,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2019-11-23 21:05:36,343 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:05:36,343 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:05:36,343 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:05:36,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:05:36,344 INFO L82 PathProgramCache]: Analyzing trace with hash -62282569, now seen corresponding path program 1 times [2019-11-23 21:05:36,344 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:05:36,345 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711255652] [2019-11-23 21:05:36,345 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:05:36,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:05:36,605 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2019-11-23 21:05:36,605 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711255652] [2019-11-23 21:05:36,606 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 21:05:36,606 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 21:05:36,606 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785478171] [2019-11-23 21:05:36,607 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-23 21:05:36,607 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:05:36,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-23 21:05:36,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 21:05:36,608 INFO L87 Difference]: Start difference. First operand 3184 states and 3953 transitions. Second operand 3 states. [2019-11-23 21:05:37,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:05:37,675 INFO L93 Difference]: Finished difference Result 7655 states and 9713 transitions. [2019-11-23 21:05:37,676 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-23 21:05:37,676 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 253 [2019-11-23 21:05:37,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:05:37,696 INFO L225 Difference]: With dead ends: 7655 [2019-11-23 21:05:37,697 INFO L226 Difference]: Without dead ends: 4657 [2019-11-23 21:05:37,701 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 21:05:37,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4657 states. [2019-11-23 21:05:37,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4657 to 4287. [2019-11-23 21:05:37,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4287 states. [2019-11-23 21:05:37,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4287 states to 4287 states and 5337 transitions. [2019-11-23 21:05:37,783 INFO L78 Accepts]: Start accepts. Automaton has 4287 states and 5337 transitions. Word has length 253 [2019-11-23 21:05:37,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:05:37,784 INFO L462 AbstractCegarLoop]: Abstraction has 4287 states and 5337 transitions. [2019-11-23 21:05:37,784 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-23 21:05:37,785 INFO L276 IsEmpty]: Start isEmpty. Operand 4287 states and 5337 transitions. [2019-11-23 21:05:37,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2019-11-23 21:05:37,791 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:05:37,792 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 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 21:05:37,792 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:05:37,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:05:37,793 INFO L82 PathProgramCache]: Analyzing trace with hash -1984989751, now seen corresponding path program 1 times [2019-11-23 21:05:37,793 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:05:37,793 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669579313] [2019-11-23 21:05:37,793 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:05:37,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:05:38,048 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 164 proven. 4 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2019-11-23 21:05:38,049 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669579313] [2019-11-23 21:05:38,049 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [322103510] [2019-11-23 21:05:38,050 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 21:05:38,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:05:38,198 INFO L255 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-23 21:05:38,212 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-23 21:05:38,312 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 164 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2019-11-23 21:05:38,313 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-23 21:05:38,313 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 4 [2019-11-23 21:05:38,314 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706642239] [2019-11-23 21:05:38,314 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-23 21:05:38,315 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:05:38,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-23 21:05:38,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 21:05:38,315 INFO L87 Difference]: Start difference. First operand 4287 states and 5337 transitions. Second operand 3 states. [2019-11-23 21:05:39,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:05:39,410 INFO L93 Difference]: Finished difference Result 10435 states and 13232 transitions. [2019-11-23 21:05:39,411 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-23 21:05:39,411 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 295 [2019-11-23 21:05:39,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:05:39,447 INFO L225 Difference]: With dead ends: 10435 [2019-11-23 21:05:39,447 INFO L226 Difference]: Without dead ends: 6334 [2019-11-23 21:05:39,454 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 298 GetRequests, 296 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 21:05:39,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6334 states. [2019-11-23 21:05:39,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6334 to 6147. [2019-11-23 21:05:39,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6147 states. [2019-11-23 21:05:39,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6147 states to 6147 states and 7606 transitions. [2019-11-23 21:05:39,600 INFO L78 Accepts]: Start accepts. Automaton has 6147 states and 7606 transitions. Word has length 295 [2019-11-23 21:05:39,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:05:39,601 INFO L462 AbstractCegarLoop]: Abstraction has 6147 states and 7606 transitions. [2019-11-23 21:05:39,601 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-23 21:05:39,602 INFO L276 IsEmpty]: Start isEmpty. Operand 6147 states and 7606 transitions. [2019-11-23 21:05:39,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2019-11-23 21:05:39,613 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:05:39,614 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 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 21:05:39,819 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 21:05:39,819 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:05:39,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:05:39,820 INFO L82 PathProgramCache]: Analyzing trace with hash 1265424277, now seen corresponding path program 1 times [2019-11-23 21:05:39,820 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:05:39,820 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402641275] [2019-11-23 21:05:39,820 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:05:39,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:05:40,191 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 106 proven. 125 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 21:05:40,192 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402641275] [2019-11-23 21:05:40,192 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [989871558] [2019-11-23 21:05:40,192 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 21:05:40,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:05:40,305 INFO L255 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-23 21:05:40,325 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-23 21:05:40,343 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:05:40,343 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:05:40,522 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 231 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 21:05:40,522 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-23 21:05:40,523 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 6 [2019-11-23 21:05:40,523 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350352393] [2019-11-23 21:05:40,524 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 21:05:40,524 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:05:40,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 21:05:40,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-11-23 21:05:40,525 INFO L87 Difference]: Start difference. First operand 6147 states and 7606 transitions. Second operand 4 states. [2019-11-23 21:05:42,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:05:42,381 INFO L93 Difference]: Finished difference Result 14144 states and 17503 transitions. [2019-11-23 21:05:42,381 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-23 21:05:42,382 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 301 [2019-11-23 21:05:42,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:05:42,415 INFO L225 Difference]: With dead ends: 14144 [2019-11-23 21:05:42,416 INFO L226 Difference]: Without dead ends: 8183 [2019-11-23 21:05:42,424 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 306 GetRequests, 300 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-11-23 21:05:42,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8183 states. [2019-11-23 21:05:42,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8183 to 7623. [2019-11-23 21:05:42,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7623 states. [2019-11-23 21:05:42,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7623 states to 7623 states and 9276 transitions. [2019-11-23 21:05:42,620 INFO L78 Accepts]: Start accepts. Automaton has 7623 states and 9276 transitions. Word has length 301 [2019-11-23 21:05:42,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:05:42,622 INFO L462 AbstractCegarLoop]: Abstraction has 7623 states and 9276 transitions. [2019-11-23 21:05:42,622 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 21:05:42,622 INFO L276 IsEmpty]: Start isEmpty. Operand 7623 states and 9276 transitions. [2019-11-23 21:05:42,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2019-11-23 21:05:42,639 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:05:42,641 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 21:05:42,845 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 21:05:42,846 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:05:42,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:05:42,847 INFO L82 PathProgramCache]: Analyzing trace with hash 1382301666, now seen corresponding path program 1 times [2019-11-23 21:05:42,847 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:05:42,848 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572001973] [2019-11-23 21:05:42,848 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:05:42,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:05:43,119 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 125 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2019-11-23 21:05:43,120 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572001973] [2019-11-23 21:05:43,120 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [262713715] [2019-11-23 21:05:43,120 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 [2019-11-23 21:05:43,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:05:43,219 INFO L255 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-23 21:05:43,223 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-23 21:05:43,232 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:05:43,232 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:05:43,343 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 125 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2019-11-23 21:05:43,343 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-23 21:05:43,344 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3] total 4 [2019-11-23 21:05:43,344 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336160662] [2019-11-23 21:05:43,345 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-23 21:05:43,345 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:05:43,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-23 21:05:43,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-11-23 21:05:43,346 INFO L87 Difference]: Start difference. First operand 7623 states and 9276 transitions. Second operand 5 states. [2019-11-23 21:05:45,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:05:45,167 INFO L93 Difference]: Finished difference Result 17638 states and 21449 transitions. [2019-11-23 21:05:45,168 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-23 21:05:45,168 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 303 [2019-11-23 21:05:45,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:05:45,202 INFO L225 Difference]: With dead ends: 17638 [2019-11-23 21:05:45,203 INFO L226 Difference]: Without dead ends: 10387 [2019-11-23 21:05:45,212 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 306 GetRequests, 302 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-11-23 21:05:45,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10387 states. [2019-11-23 21:05:45,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10387 to 8543. [2019-11-23 21:05:45,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8543 states. [2019-11-23 21:05:45,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8543 states to 8543 states and 10321 transitions. [2019-11-23 21:05:45,333 INFO L78 Accepts]: Start accepts. Automaton has 8543 states and 10321 transitions. Word has length 303 [2019-11-23 21:05:45,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:05:45,334 INFO L462 AbstractCegarLoop]: Abstraction has 8543 states and 10321 transitions. [2019-11-23 21:05:45,334 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-23 21:05:45,334 INFO L276 IsEmpty]: Start isEmpty. Operand 8543 states and 10321 transitions. [2019-11-23 21:05:45,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2019-11-23 21:05:45,344 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:05:45,344 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-11-23 21:05:45,556 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 21:05:45,556 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:05:45,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:05:45,556 INFO L82 PathProgramCache]: Analyzing trace with hash 1732365261, now seen corresponding path program 1 times [2019-11-23 21:05:45,556 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:05:45,557 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478444916] [2019-11-23 21:05:45,557 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:05:45,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:05:45,828 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 347 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2019-11-23 21:05:45,829 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478444916] [2019-11-23 21:05:45,840 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 21:05:45,840 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-23 21:05:45,841 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002129242] [2019-11-23 21:05:45,842 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 21:05:45,844 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:05:45,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 21:05:45,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 21:05:45,845 INFO L87 Difference]: Start difference. First operand 8543 states and 10321 transitions. Second operand 4 states. [2019-11-23 21:05:47,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:05:47,455 INFO L93 Difference]: Finished difference Result 21715 states and 26431 transitions. [2019-11-23 21:05:47,455 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-23 21:05:47,455 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 327 [2019-11-23 21:05:47,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:05:47,480 INFO L225 Difference]: With dead ends: 21715 [2019-11-23 21:05:47,480 INFO L226 Difference]: Without dead ends: 13544 [2019-11-23 21:05:47,490 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 21:05:47,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13544 states. [2019-11-23 21:05:47,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13544 to 12775. [2019-11-23 21:05:47,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12775 states. [2019-11-23 21:05:47,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12775 states to 12775 states and 15098 transitions. [2019-11-23 21:05:47,645 INFO L78 Accepts]: Start accepts. Automaton has 12775 states and 15098 transitions. Word has length 327 [2019-11-23 21:05:47,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:05:47,645 INFO L462 AbstractCegarLoop]: Abstraction has 12775 states and 15098 transitions. [2019-11-23 21:05:47,645 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 21:05:47,646 INFO L276 IsEmpty]: Start isEmpty. Operand 12775 states and 15098 transitions. [2019-11-23 21:05:47,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2019-11-23 21:05:47,659 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:05:47,659 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-11-23 21:05:47,659 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:05:47,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:05:47,660 INFO L82 PathProgramCache]: Analyzing trace with hash -1626195532, now seen corresponding path program 1 times [2019-11-23 21:05:47,660 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:05:47,660 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031635232] [2019-11-23 21:05:47,660 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:05:47,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:05:47,941 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 210 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2019-11-23 21:05:47,942 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031635232] [2019-11-23 21:05:47,942 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 21:05:47,943 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-23 21:05:47,943 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797045715] [2019-11-23 21:05:47,944 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-23 21:05:47,944 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:05:47,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-23 21:05:47,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 21:05:47,945 INFO L87 Difference]: Start difference. First operand 12775 states and 15098 transitions. Second operand 3 states. [2019-11-23 21:05:48,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:05:48,850 INFO L93 Difference]: Finished difference Result 23312 states and 27413 transitions. [2019-11-23 21:05:48,850 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-23 21:05:48,850 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 342 [2019-11-23 21:05:48,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:05:48,851 INFO L225 Difference]: With dead ends: 23312 [2019-11-23 21:05:48,851 INFO L226 Difference]: Without dead ends: 0 [2019-11-23 21:05:48,870 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 21:05:48,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-23 21:05:48,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-23 21:05:48,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-23 21:05:48,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-23 21:05:48,871 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 342 [2019-11-23 21:05:48,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:05:48,871 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-23 21:05:48,871 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-23 21:05:48,871 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-23 21:05:48,871 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-23 21:05:48,878 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-23 21:05:48,996 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 95 [2019-11-23 21:05:49,358 WARN L192 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 37 [2019-11-23 21:05:49,639 WARN L192 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 37 [2019-11-23 21:05:49,642 INFO L444 ceAbstractionStarter]: For program point L168(line 168) no Hoare annotation was computed. [2019-11-23 21:05:49,642 INFO L444 ceAbstractionStarter]: For program point L102(line 102) no Hoare annotation was computed. [2019-11-23 21:05:49,642 INFO L444 ceAbstractionStarter]: For program point L36(line 36) no Hoare annotation was computed. [2019-11-23 21:05:49,643 INFO L447 ceAbstractionStarter]: At program point L1028(lines 1028 1044) the Hoare annotation is: true [2019-11-23 21:05:49,643 INFO L444 ceAbstractionStarter]: For program point L566(lines 566 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,643 INFO L444 ceAbstractionStarter]: For program point L500(lines 500 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,643 INFO L444 ceAbstractionStarter]: For program point L170-1(lines 22 1026) no Hoare annotation was computed. [2019-11-23 21:05:49,643 INFO L444 ceAbstractionStarter]: For program point L104-1(lines 22 1026) no Hoare annotation was computed. [2019-11-23 21:05:49,643 INFO L444 ceAbstractionStarter]: For program point L38-1(lines 22 1026) no Hoare annotation was computed. [2019-11-23 21:05:49,643 INFO L444 ceAbstractionStarter]: For program point L963(lines 963 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,643 INFO L444 ceAbstractionStarter]: For program point L831(lines 831 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,643 INFO L444 ceAbstractionStarter]: For program point L171(line 171) no Hoare annotation was computed. [2019-11-23 21:05:49,644 INFO L444 ceAbstractionStarter]: For program point L105(line 105) no Hoare annotation was computed. [2019-11-23 21:05:49,644 INFO L444 ceAbstractionStarter]: For program point L39(line 39) no Hoare annotation was computed. [2019-11-23 21:05:49,644 INFO L444 ceAbstractionStarter]: For program point L898(lines 898 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,644 INFO L444 ceAbstractionStarter]: For program point L436(lines 436 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,644 INFO L444 ceAbstractionStarter]: For program point L370(lines 370 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,644 INFO L444 ceAbstractionStarter]: For program point L635(lines 635 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,644 INFO L444 ceAbstractionStarter]: For program point L305(lines 305 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,644 INFO L444 ceAbstractionStarter]: For program point L173-1(lines 22 1026) no Hoare annotation was computed. [2019-11-23 21:05:49,644 INFO L444 ceAbstractionStarter]: For program point L107-1(lines 22 1026) no Hoare annotation was computed. [2019-11-23 21:05:49,645 INFO L444 ceAbstractionStarter]: For program point L41-1(lines 22 1026) no Hoare annotation was computed. [2019-11-23 21:05:49,646 INFO L444 ceAbstractionStarter]: For program point L240(lines 240 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,646 INFO L444 ceAbstractionStarter]: For program point L174(line 174) no Hoare annotation was computed. [2019-11-23 21:05:49,646 INFO L444 ceAbstractionStarter]: For program point L108(line 108) no Hoare annotation was computed. [2019-11-23 21:05:49,646 INFO L444 ceAbstractionStarter]: For program point L42(line 42) no Hoare annotation was computed. [2019-11-23 21:05:49,647 INFO L444 ceAbstractionStarter]: For program point L769(lines 769 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,647 INFO L440 ceAbstractionStarter]: At program point L1034-2(lines 1034 1043) the Hoare annotation is: (let ((.cse0 (<= ~a4~0 0)) (.cse1 (= 1 ~a4~0))) (or (and .cse0 (<= 260 ~a29~0)) (and .cse0 (<= ~a29~0 140)) (and (<= 165 ~a23~0) .cse1) (and (< 0 (+ ~a23~0 43)) (not (= ~a25~0 13)) .cse1) (and (= ~a25~0 12) .cse1) (and (not (= ~a25~0 9)) .cse0) (and .cse1 (= ~a25~0 10)) (and (< 140 ~a29~0) .cse1))) [2019-11-23 21:05:49,647 INFO L444 ceAbstractionStarter]: For program point L836(lines 836 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,647 INFO L444 ceAbstractionStarter]: For program point L572(lines 572 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,647 INFO L444 ceAbstractionStarter]: For program point L176-1(lines 22 1026) no Hoare annotation was computed. [2019-11-23 21:05:49,647 INFO L444 ceAbstractionStarter]: For program point L110-1(lines 22 1026) no Hoare annotation was computed. [2019-11-23 21:05:49,647 INFO L444 ceAbstractionStarter]: For program point L44-1(lines 22 1026) no Hoare annotation was computed. [2019-11-23 21:05:49,647 INFO L444 ceAbstractionStarter]: For program point L969(lines 969 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,647 INFO L444 ceAbstractionStarter]: For program point L903(lines 903 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,648 INFO L444 ceAbstractionStarter]: For program point L507(lines 507 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,648 INFO L444 ceAbstractionStarter]: For program point L177(line 177) no Hoare annotation was computed. [2019-11-23 21:05:49,648 INFO L444 ceAbstractionStarter]: For program point L111(line 111) no Hoare annotation was computed. [2019-11-23 21:05:49,648 INFO L444 ceAbstractionStarter]: For program point L45(line 45) no Hoare annotation was computed. [2019-11-23 21:05:49,648 INFO L444 ceAbstractionStarter]: For program point L970(lines 970 980) no Hoare annotation was computed. [2019-11-23 21:05:49,648 INFO L444 ceAbstractionStarter]: For program point L904(lines 904 914) no Hoare annotation was computed. [2019-11-23 21:05:49,648 INFO L444 ceAbstractionStarter]: For program point L970-2(lines 970 980) no Hoare annotation was computed. [2019-11-23 21:05:49,648 INFO L444 ceAbstractionStarter]: For program point L904-2(lines 904 914) no Hoare annotation was computed. [2019-11-23 21:05:49,648 INFO L444 ceAbstractionStarter]: For program point L706(lines 706 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,648 INFO L444 ceAbstractionStarter]: For program point L310(lines 310 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,649 INFO L444 ceAbstractionStarter]: For program point L575(lines 575 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,649 INFO L444 ceAbstractionStarter]: For program point L443(lines 443 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,649 INFO L444 ceAbstractionStarter]: For program point L377(lines 377 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,649 INFO L444 ceAbstractionStarter]: For program point L179-1(lines 22 1026) no Hoare annotation was computed. [2019-11-23 21:05:49,649 INFO L444 ceAbstractionStarter]: For program point L113-1(lines 22 1026) no Hoare annotation was computed. [2019-11-23 21:05:49,649 INFO L444 ceAbstractionStarter]: For program point L47-1(lines 22 1026) no Hoare annotation was computed. [2019-11-23 21:05:49,649 INFO L444 ceAbstractionStarter]: For program point L774(lines 774 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,649 INFO L444 ceAbstractionStarter]: For program point L642(lines 642 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,649 INFO L444 ceAbstractionStarter]: For program point L180(line 180) no Hoare annotation was computed. [2019-11-23 21:05:49,649 INFO L444 ceAbstractionStarter]: For program point L114(line 114) no Hoare annotation was computed. [2019-11-23 21:05:49,650 INFO L444 ceAbstractionStarter]: For program point L48(line 48) no Hoare annotation was computed. [2019-11-23 21:05:49,650 INFO L444 ceAbstractionStarter]: For program point L1039(line 1039) no Hoare annotation was computed. [2019-11-23 21:05:49,650 INFO L444 ceAbstractionStarter]: For program point L841(lines 841 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,650 INFO L444 ceAbstractionStarter]: For program point L247(lines 247 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,650 INFO L444 ceAbstractionStarter]: For program point L182-1(lines 22 1026) no Hoare annotation was computed. [2019-11-23 21:05:49,650 INFO L444 ceAbstractionStarter]: For program point L116-1(lines 22 1026) no Hoare annotation was computed. [2019-11-23 21:05:49,650 INFO L444 ceAbstractionStarter]: For program point L50-1(lines 22 1026) no Hoare annotation was computed. [2019-11-23 21:05:49,650 INFO L444 ceAbstractionStarter]: For program point L183(line 183) no Hoare annotation was computed. [2019-11-23 21:05:49,650 INFO L444 ceAbstractionStarter]: For program point L117(line 117) no Hoare annotation was computed. [2019-11-23 21:05:49,650 INFO L444 ceAbstractionStarter]: For program point L51(line 51) no Hoare annotation was computed. [2019-11-23 21:05:49,650 INFO L444 ceAbstractionStarter]: For program point L712(lines 712 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,651 INFO L444 ceAbstractionStarter]: For program point L514(lines 514 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,651 INFO L444 ceAbstractionStarter]: For program point L647(lines 647 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,651 INFO L444 ceAbstractionStarter]: For program point L581(lines 581 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,651 INFO L444 ceAbstractionStarter]: For program point L515(lines 515 525) no Hoare annotation was computed. [2019-11-23 21:05:49,651 INFO L444 ceAbstractionStarter]: For program point L515-2(lines 515 525) no Hoare annotation was computed. [2019-11-23 21:05:49,651 INFO L444 ceAbstractionStarter]: For program point L317(lines 317 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,651 INFO L444 ceAbstractionStarter]: For program point L185-1(lines 22 1026) no Hoare annotation was computed. [2019-11-23 21:05:49,651 INFO L444 ceAbstractionStarter]: For program point L119-1(lines 22 1026) no Hoare annotation was computed. [2019-11-23 21:05:49,651 INFO L444 ceAbstractionStarter]: For program point L53-1(lines 22 1026) no Hoare annotation was computed. [2019-11-23 21:05:49,651 INFO L444 ceAbstractionStarter]: For program point L846(lines 846 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,652 INFO L444 ceAbstractionStarter]: For program point L780(lines 780 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,652 INFO L444 ceAbstractionStarter]: For program point L648(lines 648 657) no Hoare annotation was computed. [2019-11-23 21:05:49,652 INFO L444 ceAbstractionStarter]: For program point L648-2(lines 648 657) no Hoare annotation was computed. [2019-11-23 21:05:49,652 INFO L444 ceAbstractionStarter]: For program point L450(lines 450 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,652 INFO L444 ceAbstractionStarter]: For program point L384(lines 384 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,652 INFO L444 ceAbstractionStarter]: For program point L186(line 186) no Hoare annotation was computed. [2019-11-23 21:05:49,652 INFO L444 ceAbstractionStarter]: For program point L120(line 120) no Hoare annotation was computed. [2019-11-23 21:05:49,652 INFO L444 ceAbstractionStarter]: For program point L54(line 54) no Hoare annotation was computed. [2019-11-23 21:05:49,652 INFO L444 ceAbstractionStarter]: For program point L254(lines 254 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,652 INFO L444 ceAbstractionStarter]: For program point L188-1(lines 22 1026) no Hoare annotation was computed. [2019-11-23 21:05:49,653 INFO L444 ceAbstractionStarter]: For program point L122-1(lines 22 1026) no Hoare annotation was computed. [2019-11-23 21:05:49,653 INFO L444 ceAbstractionStarter]: For program point L56-1(lines 22 1026) no Hoare annotation was computed. [2019-11-23 21:05:49,656 INFO L444 ceAbstractionStarter]: For program point L981(lines 981 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,656 INFO L444 ceAbstractionStarter]: For program point L915(lines 915 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,656 INFO L444 ceAbstractionStarter]: For program point L717(lines 717 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,656 INFO L444 ceAbstractionStarter]: For program point L189(line 189) no Hoare annotation was computed. [2019-11-23 21:05:49,656 INFO L444 ceAbstractionStarter]: For program point L123(line 123) no Hoare annotation was computed. [2019-11-23 21:05:49,656 INFO L444 ceAbstractionStarter]: For program point L57(line 57) no Hoare annotation was computed. [2019-11-23 21:05:49,657 INFO L444 ceAbstractionStarter]: For program point L916(lines 916 926) no Hoare annotation was computed. [2019-11-23 21:05:49,657 INFO L444 ceAbstractionStarter]: For program point L916-2(lines 916 926) no Hoare annotation was computed. [2019-11-23 21:05:49,657 INFO L444 ceAbstractionStarter]: For program point L718(lines 718 730) no Hoare annotation was computed. [2019-11-23 21:05:49,657 INFO L444 ceAbstractionStarter]: For program point L718-2(lines 718 730) no Hoare annotation was computed. [2019-11-23 21:05:49,657 INFO L444 ceAbstractionStarter]: For program point L586(lines 586 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,657 INFO L444 ceAbstractionStarter]: For program point L322(lines 322 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,657 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-23 21:05:49,657 INFO L444 ceAbstractionStarter]: For program point L587(lines 587 597) no Hoare annotation was computed. [2019-11-23 21:05:49,657 INFO L444 ceAbstractionStarter]: For program point L587-2(lines 587 597) no Hoare annotation was computed. [2019-11-23 21:05:49,658 INFO L444 ceAbstractionStarter]: For program point L191-1(lines 22 1026) no Hoare annotation was computed. [2019-11-23 21:05:49,658 INFO L444 ceAbstractionStarter]: For program point L125-1(lines 22 1026) no Hoare annotation was computed. [2019-11-23 21:05:49,658 INFO L444 ceAbstractionStarter]: For program point L59-1(lines 22 1026) no Hoare annotation was computed. [2019-11-23 21:05:49,658 INFO L444 ceAbstractionStarter]: For program point L852(lines 852 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,658 INFO L444 ceAbstractionStarter]: For program point L456(lines 456 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,658 INFO L444 ceAbstractionStarter]: For program point L192(line 192) no Hoare annotation was computed. [2019-11-23 21:05:49,658 INFO L444 ceAbstractionStarter]: For program point L126(line 126) no Hoare annotation was computed. [2019-11-23 21:05:49,658 INFO L444 ceAbstractionStarter]: For program point L60(line 60) no Hoare annotation was computed. [2019-11-23 21:05:49,658 INFO L444 ceAbstractionStarter]: For program point L787(lines 787 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,659 INFO L444 ceAbstractionStarter]: For program point L391(lines 391 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,659 INFO L444 ceAbstractionStarter]: For program point L260(lines 260 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,659 INFO L444 ceAbstractionStarter]: For program point L194-1(lines 22 1026) no Hoare annotation was computed. [2019-11-23 21:05:49,659 INFO L444 ceAbstractionStarter]: For program point L128-1(lines 22 1026) no Hoare annotation was computed. [2019-11-23 21:05:49,659 INFO L444 ceAbstractionStarter]: For program point L62-1(lines 22 1026) no Hoare annotation was computed. [2019-11-23 21:05:49,659 INFO L444 ceAbstractionStarter]: For program point L195(line 195) no Hoare annotation was computed. [2019-11-23 21:05:49,659 INFO L444 ceAbstractionStarter]: For program point L129(line 129) no Hoare annotation was computed. [2019-11-23 21:05:49,660 INFO L444 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2019-11-23 21:05:49,660 INFO L444 ceAbstractionStarter]: For program point L988(lines 988 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,660 INFO L444 ceAbstractionStarter]: For program point L658(lines 658 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,660 INFO L444 ceAbstractionStarter]: For program point L526(lines 526 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,660 INFO L444 ceAbstractionStarter]: For program point L329(lines 329 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,660 INFO L444 ceAbstractionStarter]: For program point L197-1(lines 22 1026) no Hoare annotation was computed. [2019-11-23 21:05:49,660 INFO L444 ceAbstractionStarter]: For program point L131-1(lines 22 1026) no Hoare annotation was computed. [2019-11-23 21:05:49,660 INFO L444 ceAbstractionStarter]: For program point L65-1(lines 22 1026) no Hoare annotation was computed. [2019-11-23 21:05:49,660 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-23 21:05:49,661 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 201) no Hoare annotation was computed. [2019-11-23 21:05:49,661 INFO L444 ceAbstractionStarter]: For program point L792(lines 792 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,661 INFO L444 ceAbstractionStarter]: For program point L198(line 198) no Hoare annotation was computed. [2019-11-23 21:05:49,661 INFO L444 ceAbstractionStarter]: For program point L132(line 132) no Hoare annotation was computed. [2019-11-23 21:05:49,661 INFO L444 ceAbstractionStarter]: For program point L66(line 66) no Hoare annotation was computed. [2019-11-23 21:05:49,661 INFO L444 ceAbstractionStarter]: For program point L859(lines 859 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,661 INFO L444 ceAbstractionStarter]: For program point L463(lines 463 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,661 INFO L444 ceAbstractionStarter]: For program point L265(lines 265 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,661 INFO L444 ceAbstractionStarter]: For program point L398(lines 398 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,662 INFO L444 ceAbstractionStarter]: For program point L200-1(lines 22 1026) no Hoare annotation was computed. [2019-11-23 21:05:49,662 INFO L444 ceAbstractionStarter]: For program point L134-1(lines 22 1026) no Hoare annotation was computed. [2019-11-23 21:05:49,662 INFO L444 ceAbstractionStarter]: For program point L68-1(lines 22 1026) no Hoare annotation was computed. [2019-11-23 21:05:49,662 INFO L444 ceAbstractionStarter]: For program point L993(lines 993 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,662 INFO L444 ceAbstractionStarter]: For program point L927(lines 927 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,662 INFO L444 ceAbstractionStarter]: For program point L663(lines 663 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,662 INFO L444 ceAbstractionStarter]: For program point L531(lines 531 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,662 INFO L444 ceAbstractionStarter]: For program point L399(lines 399 410) no Hoare annotation was computed. [2019-11-23 21:05:49,662 INFO L444 ceAbstractionStarter]: For program point L399-2(lines 399 410) no Hoare annotation was computed. [2019-11-23 21:05:49,662 INFO L444 ceAbstractionStarter]: For program point L201(line 201) no Hoare annotation was computed. [2019-11-23 21:05:49,663 INFO L444 ceAbstractionStarter]: For program point L135(line 135) no Hoare annotation was computed. [2019-11-23 21:05:49,663 INFO L444 ceAbstractionStarter]: For program point L69(line 69) no Hoare annotation was computed. [2019-11-23 21:05:49,663 INFO L444 ceAbstractionStarter]: For program point L598(lines 598 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,663 INFO L444 ceAbstractionStarter]: For program point L334(lines 334 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,663 INFO L444 ceAbstractionStarter]: For program point L268(lines 268 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,663 INFO L444 ceAbstractionStarter]: For program point L731(lines 731 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,663 INFO L444 ceAbstractionStarter]: For program point L203-1(lines 22 1026) no Hoare annotation was computed. [2019-11-23 21:05:49,663 INFO L444 ceAbstractionStarter]: For program point L137-1(lines 22 1026) no Hoare annotation was computed. [2019-11-23 21:05:49,664 INFO L444 ceAbstractionStarter]: For program point L71-1(lines 22 1026) no Hoare annotation was computed. [2019-11-23 21:05:49,664 INFO L444 ceAbstractionStarter]: For program point L204(line 204) no Hoare annotation was computed. [2019-11-23 21:05:49,664 INFO L444 ceAbstractionStarter]: For program point L138(line 138) no Hoare annotation was computed. [2019-11-23 21:05:49,664 INFO L444 ceAbstractionStarter]: For program point L72(line 72) no Hoare annotation was computed. [2019-11-23 21:05:49,664 INFO L444 ceAbstractionStarter]: For program point L865(lines 865 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,664 INFO L444 ceAbstractionStarter]: For program point L799(lines 799 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,664 INFO L444 ceAbstractionStarter]: For program point L932(lines 932 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,664 INFO L444 ceAbstractionStarter]: For program point L866(lines 866 875) no Hoare annotation was computed. [2019-11-23 21:05:49,664 INFO L444 ceAbstractionStarter]: For program point L866-2(lines 866 875) no Hoare annotation was computed. [2019-11-23 21:05:49,665 INFO L444 ceAbstractionStarter]: For program point L470(lines 470 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,665 INFO L444 ceAbstractionStarter]: For program point L140-1(lines 22 1026) no Hoare annotation was computed. [2019-11-23 21:05:49,665 INFO L444 ceAbstractionStarter]: For program point L74-1(lines 22 1026) no Hoare annotation was computed. [2019-11-23 21:05:49,665 INFO L444 ceAbstractionStarter]: For program point L603(lines 603 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,665 INFO L444 ceAbstractionStarter]: For program point L537(lines 537 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,665 INFO L444 ceAbstractionStarter]: For program point L141(line 141) no Hoare annotation was computed. [2019-11-23 21:05:49,665 INFO L444 ceAbstractionStarter]: For program point L75(line 75) no Hoare annotation was computed. [2019-11-23 21:05:49,665 INFO L444 ceAbstractionStarter]: For program point L1000(lines 1000 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,665 INFO L444 ceAbstractionStarter]: For program point L670(lines 670 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,665 INFO L444 ceAbstractionStarter]: For program point L604(lines 604 614) no Hoare annotation was computed. [2019-11-23 21:05:49,666 INFO L444 ceAbstractionStarter]: For program point L604-2(lines 604 614) no Hoare annotation was computed. [2019-11-23 21:05:49,666 INFO L444 ceAbstractionStarter]: For program point L340(lines 340 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,666 INFO L444 ceAbstractionStarter]: For program point L275(lines 275 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,666 INFO L444 ceAbstractionStarter]: For program point L143-1(lines 22 1026) no Hoare annotation was computed. [2019-11-23 21:05:49,666 INFO L444 ceAbstractionStarter]: For program point L77-1(lines 22 1026) no Hoare annotation was computed. [2019-11-23 21:05:49,666 INFO L444 ceAbstractionStarter]: For program point L804(lines 804 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,666 INFO L444 ceAbstractionStarter]: For program point L738(lines 738 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,666 INFO L444 ceAbstractionStarter]: For program point L144(line 144) no Hoare annotation was computed. [2019-11-23 21:05:49,666 INFO L444 ceAbstractionStarter]: For program point L78(line 78) no Hoare annotation was computed. [2019-11-23 21:05:49,666 INFO L444 ceAbstractionStarter]: For program point L805(lines 805 815) no Hoare annotation was computed. [2019-11-23 21:05:49,667 INFO L444 ceAbstractionStarter]: For program point L805-2(lines 805 815) no Hoare annotation was computed. [2019-11-23 21:05:49,667 INFO L444 ceAbstractionStarter]: For program point L542(lines 542 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,667 INFO L444 ceAbstractionStarter]: For program point L146-1(lines 22 1026) no Hoare annotation was computed. [2019-11-23 21:05:49,667 INFO L444 ceAbstractionStarter]: For program point L80-1(lines 22 1026) no Hoare annotation was computed. [2019-11-23 21:05:49,667 INFO L444 ceAbstractionStarter]: For program point L1005(lines 1005 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,667 INFO L444 ceAbstractionStarter]: For program point L939(lines 939 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,667 INFO L444 ceAbstractionStarter]: For program point L675(lines 675 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,667 INFO L444 ceAbstractionStarter]: For program point L477(lines 477 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,667 INFO L444 ceAbstractionStarter]: For program point L411(lines 411 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,668 INFO L444 ceAbstractionStarter]: For program point L147(line 147) no Hoare annotation was computed. [2019-11-23 21:05:49,668 INFO L444 ceAbstractionStarter]: For program point L81(line 81) no Hoare annotation was computed. [2019-11-23 21:05:49,668 INFO L444 ceAbstractionStarter]: For program point L940(lines 940 952) no Hoare annotation was computed. [2019-11-23 21:05:49,668 INFO L444 ceAbstractionStarter]: For program point L940-2(lines 940 952) no Hoare annotation was computed. [2019-11-23 21:05:49,668 INFO L444 ceAbstractionStarter]: For program point L478(lines 478 486) no Hoare annotation was computed. [2019-11-23 21:05:49,668 INFO L444 ceAbstractionStarter]: For program point L478-2(lines 478 486) no Hoare annotation was computed. [2019-11-23 21:05:49,668 INFO L444 ceAbstractionStarter]: For program point L346(lines 346 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,668 INFO L444 ceAbstractionStarter]: For program point L280(lines 280 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,668 INFO L444 ceAbstractionStarter]: For program point L214(lines 214 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,669 INFO L444 ceAbstractionStarter]: For program point L743(lines 743 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,669 INFO L444 ceAbstractionStarter]: For program point L149-1(lines 22 1026) no Hoare annotation was computed. [2019-11-23 21:05:49,669 INFO L444 ceAbstractionStarter]: For program point L83-1(lines 22 1026) no Hoare annotation was computed. [2019-11-23 21:05:49,669 INFO L444 ceAbstractionStarter]: For program point L876(lines 876 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,669 INFO L444 ceAbstractionStarter]: For program point L150(line 150) no Hoare annotation was computed. [2019-11-23 21:05:49,669 INFO L444 ceAbstractionStarter]: For program point L84(line 84) no Hoare annotation was computed. [2019-11-23 21:05:49,669 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-23 21:05:49,669 INFO L444 ceAbstractionStarter]: For program point L152-1(lines 22 1026) no Hoare annotation was computed. [2019-11-23 21:05:49,669 INFO L444 ceAbstractionStarter]: For program point L86-1(lines 22 1026) no Hoare annotation was computed. [2019-11-23 21:05:49,670 INFO L444 ceAbstractionStarter]: For program point L681(lines 681 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,670 INFO L444 ceAbstractionStarter]: For program point L615(lines 615 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,670 INFO L444 ceAbstractionStarter]: For program point L549(lines 549 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,670 INFO L444 ceAbstractionStarter]: For program point L417(lines 417 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,670 INFO L444 ceAbstractionStarter]: For program point L153(line 153) no Hoare annotation was computed. [2019-11-23 21:05:49,670 INFO L444 ceAbstractionStarter]: For program point L87(line 87) no Hoare annotation was computed. [2019-11-23 21:05:49,670 INFO L444 ceAbstractionStarter]: For program point L1012(lines 1012 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,670 INFO L444 ceAbstractionStarter]: For program point L881(lines 881 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,670 INFO L444 ceAbstractionStarter]: For program point L353(lines 353 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,671 INFO L444 ceAbstractionStarter]: For program point L287(lines 287 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,671 INFO L444 ceAbstractionStarter]: For program point L221(lines 221 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,671 INFO L444 ceAbstractionStarter]: For program point L155-1(lines 22 1026) no Hoare annotation was computed. [2019-11-23 21:05:49,671 INFO L444 ceAbstractionStarter]: For program point L89-1(lines 22 1026) no Hoare annotation was computed. [2019-11-23 21:05:49,671 INFO L444 ceAbstractionStarter]: For program point L23(lines 23 25) no Hoare annotation was computed. [2019-11-23 21:05:49,671 INFO L444 ceAbstractionStarter]: For program point L23-2(lines 22 1026) no Hoare annotation was computed. [2019-11-23 21:05:49,671 INFO L444 ceAbstractionStarter]: For program point L816(lines 816 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,671 INFO L444 ceAbstractionStarter]: For program point L750(lines 750 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,671 INFO L444 ceAbstractionStarter]: For program point L156(line 156) no Hoare annotation was computed. [2019-11-23 21:05:49,672 INFO L444 ceAbstractionStarter]: For program point L90(line 90) no Hoare annotation was computed. [2019-11-23 21:05:49,672 INFO L444 ceAbstractionStarter]: For program point L24(line 24) no Hoare annotation was computed. [2019-11-23 21:05:49,672 INFO L444 ceAbstractionStarter]: For program point L487(lines 487 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,672 INFO L444 ceAbstractionStarter]: For program point L488(lines 488 499) no Hoare annotation was computed. [2019-11-23 21:05:49,672 INFO L444 ceAbstractionStarter]: For program point L422(lines 422 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,672 INFO L444 ceAbstractionStarter]: For program point L488-2(lines 488 499) no Hoare annotation was computed. [2019-11-23 21:05:49,672 INFO L444 ceAbstractionStarter]: For program point L158-1(lines 22 1026) no Hoare annotation was computed. [2019-11-23 21:05:49,672 INFO L444 ceAbstractionStarter]: For program point L92-1(lines 22 1026) no Hoare annotation was computed. [2019-11-23 21:05:49,672 INFO L444 ceAbstractionStarter]: For program point L26-1(lines 22 1026) no Hoare annotation was computed. [2019-11-23 21:05:49,672 INFO L444 ceAbstractionStarter]: For program point L1017(lines 1017 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,673 INFO L444 ceAbstractionStarter]: For program point L621(lines 621 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,673 INFO L444 ceAbstractionStarter]: For program point L555(lines 555 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,673 INFO L444 ceAbstractionStarter]: For program point L159(line 159) no Hoare annotation was computed. [2019-11-23 21:05:49,673 INFO L444 ceAbstractionStarter]: For program point L93(line 93) no Hoare annotation was computed. [2019-11-23 21:05:49,673 INFO L444 ceAbstractionStarter]: For program point L27(line 27) no Hoare annotation was computed. [2019-11-23 21:05:49,673 INFO L444 ceAbstractionStarter]: For program point L886(lines 886 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,674 INFO L444 ceAbstractionStarter]: For program point L688(lines 688 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,675 INFO L444 ceAbstractionStarter]: For program point L358(lines 358 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,675 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-23 21:05:49,675 INFO L444 ceAbstractionStarter]: For program point L953(lines 953 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,675 INFO L444 ceAbstractionStarter]: For program point L227(lines 227 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,675 INFO L444 ceAbstractionStarter]: For program point L161-1(lines 22 1026) no Hoare annotation was computed. [2019-11-23 21:05:49,675 INFO L444 ceAbstractionStarter]: For program point L95-1(lines 22 1026) no Hoare annotation was computed. [2019-11-23 21:05:49,676 INFO L444 ceAbstractionStarter]: For program point L29-1(lines 22 1026) no Hoare annotation was computed. [2019-11-23 21:05:49,676 INFO L444 ceAbstractionStarter]: For program point L822(lines 822 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,676 INFO L444 ceAbstractionStarter]: For program point L294(lines 294 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,678 INFO L444 ceAbstractionStarter]: For program point L162(line 162) no Hoare annotation was computed. [2019-11-23 21:05:49,678 INFO L444 ceAbstractionStarter]: For program point L96(line 96) no Hoare annotation was computed. [2019-11-23 21:05:49,678 INFO L444 ceAbstractionStarter]: For program point L30(line 30) no Hoare annotation was computed. [2019-11-23 21:05:49,678 INFO L444 ceAbstractionStarter]: For program point L757(lines 757 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,679 INFO L444 ceAbstractionStarter]: For program point L758(lines 758 768) no Hoare annotation was computed. [2019-11-23 21:05:49,679 INFO L444 ceAbstractionStarter]: For program point L758-2(lines 758 768) no Hoare annotation was computed. [2019-11-23 21:05:49,679 INFO L444 ceAbstractionStarter]: For program point L164-1(lines 22 1026) no Hoare annotation was computed. [2019-11-23 21:05:49,679 INFO L444 ceAbstractionStarter]: For program point L98-1(lines 22 1026) no Hoare annotation was computed. [2019-11-23 21:05:49,679 INFO L444 ceAbstractionStarter]: For program point L32-1(lines 22 1026) no Hoare annotation was computed. [2019-11-23 21:05:49,679 INFO L444 ceAbstractionStarter]: For program point L825(lines 825 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,679 INFO L444 ceAbstractionStarter]: For program point L561(lines 561 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,679 INFO L444 ceAbstractionStarter]: For program point L429(lines 429 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,679 INFO L444 ceAbstractionStarter]: For program point L165(line 165) no Hoare annotation was computed. [2019-11-23 21:05:49,679 INFO L444 ceAbstractionStarter]: For program point L99(line 99) no Hoare annotation was computed. [2019-11-23 21:05:49,680 INFO L444 ceAbstractionStarter]: For program point L33(line 33) no Hoare annotation was computed. [2019-11-23 21:05:49,680 INFO L444 ceAbstractionStarter]: For program point L958(lines 958 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,680 INFO L444 ceAbstractionStarter]: For program point L694(lines 694 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,680 INFO L444 ceAbstractionStarter]: For program point L628(lines 628 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,680 INFO L440 ceAbstractionStarter]: At program point L1025(lines 22 1026) the Hoare annotation is: (let ((.cse0 (<= ~a4~0 0)) (.cse1 (= 1 ~a4~0))) (or (and .cse0 (<= 260 ~a29~0)) (and .cse0 (<= ~a29~0 140)) (and (<= 165 ~a23~0) .cse1) (and (< 0 (+ ~a23~0 43)) (not (= ~a25~0 13)) .cse1) (and (= ~a25~0 12) .cse1) (and (not (= ~a25~0 9)) .cse0) (and .cse1 (= ~a25~0 10)) (and (< 140 ~a29~0) .cse1))) [2019-11-23 21:05:49,680 INFO L444 ceAbstractionStarter]: For program point L893(lines 893 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,680 INFO L444 ceAbstractionStarter]: For program point L695(lines 695 705) no Hoare annotation was computed. [2019-11-23 21:05:49,680 INFO L444 ceAbstractionStarter]: For program point L695-2(lines 695 705) no Hoare annotation was computed. [2019-11-23 21:05:49,681 INFO L444 ceAbstractionStarter]: For program point L365(lines 365 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,681 INFO L444 ceAbstractionStarter]: For program point L299(lines 299 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,681 INFO L444 ceAbstractionStarter]: For program point L233(lines 233 1024) no Hoare annotation was computed. [2019-11-23 21:05:49,681 INFO L444 ceAbstractionStarter]: For program point L167-1(lines 22 1026) no Hoare annotation was computed. [2019-11-23 21:05:49,681 INFO L444 ceAbstractionStarter]: For program point L101-1(lines 22 1026) no Hoare annotation was computed. [2019-11-23 21:05:49,681 INFO L444 ceAbstractionStarter]: For program point L35-1(lines 22 1026) no Hoare annotation was computed. [2019-11-23 21:05:49,709 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:05:49 BoogieIcfgContainer [2019-11-23 21:05:49,710 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-23 21:05:49,712 INFO L168 Benchmark]: Toolchain (without parser) took 23875.40 ms. Allocated memory was 143.7 MB in the beginning and 644.9 MB in the end (delta: 501.2 MB). Free memory was 98.6 MB in the beginning and 134.9 MB in the end (delta: -36.3 MB). Peak memory consumption was 464.9 MB. Max. memory is 7.1 GB. [2019-11-23 21:05:49,712 INFO L168 Benchmark]: CDTParser took 1.44 ms. Allocated memory is still 143.7 MB. Free memory was 120.0 MB in the beginning and 119.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-23 21:05:49,713 INFO L168 Benchmark]: CACSL2BoogieTranslator took 993.93 ms. Allocated memory was 143.7 MB in the beginning and 202.4 MB in the end (delta: 58.7 MB). Free memory was 98.4 MB in the beginning and 143.1 MB in the end (delta: -44.7 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. [2019-11-23 21:05:49,714 INFO L168 Benchmark]: Boogie Procedure Inliner took 159.24 ms. Allocated memory is still 202.4 MB. Free memory was 143.1 MB in the beginning and 125.7 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 7.1 GB. [2019-11-23 21:05:49,715 INFO L168 Benchmark]: Boogie Preprocessor took 191.57 ms. Allocated memory is still 202.4 MB. Free memory was 125.7 MB in the beginning and 114.8 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. [2019-11-23 21:05:49,715 INFO L168 Benchmark]: RCFGBuilder took 1911.83 ms. Allocated memory was 202.4 MB in the beginning and 261.6 MB in the end (delta: 59.2 MB). Free memory was 114.8 MB in the beginning and 201.9 MB in the end (delta: -87.1 MB). Peak memory consumption was 81.9 MB. Max. memory is 7.1 GB. [2019-11-23 21:05:49,716 INFO L168 Benchmark]: TraceAbstraction took 20613.63 ms. Allocated memory was 261.6 MB in the beginning and 644.9 MB in the end (delta: 383.3 MB). Free memory was 199.9 MB in the beginning and 134.9 MB in the end (delta: 65.0 MB). Peak memory consumption was 448.3 MB. Max. memory is 7.1 GB. [2019-11-23 21:05:49,720 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.44 ms. Allocated memory is still 143.7 MB. Free memory was 120.0 MB in the beginning and 119.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 993.93 ms. Allocated memory was 143.7 MB in the beginning and 202.4 MB in the end (delta: 58.7 MB). Free memory was 98.4 MB in the beginning and 143.1 MB in the end (delta: -44.7 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 159.24 ms. Allocated memory is still 202.4 MB. Free memory was 143.1 MB in the beginning and 125.7 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 191.57 ms. Allocated memory is still 202.4 MB. Free memory was 125.7 MB in the beginning and 114.8 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1911.83 ms. Allocated memory was 202.4 MB in the beginning and 261.6 MB in the end (delta: 59.2 MB). Free memory was 114.8 MB in the beginning and 201.9 MB in the end (delta: -87.1 MB). Peak memory consumption was 81.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 20613.63 ms. Allocated memory was 261.6 MB in the beginning and 644.9 MB in the end (delta: 383.3 MB). Free memory was 199.9 MB in the beginning and 134.9 MB in the end (delta: 65.0 MB). Peak memory consumption was 448.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 201]: 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: 1028]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1034]: Loop Invariant Derived loop invariant: (((((((a4 <= 0 && 260 <= a29) || (a4 <= 0 && a29 <= 140)) || (165 <= a23 && 1 == a4)) || ((0 < a23 + 43 && !(a25 == 13)) && 1 == a4)) || (a25 == 12 && 1 == a4)) || (!(a25 == 9) && a4 <= 0)) || (1 == a4 && a25 == 10)) || (140 < a29 && 1 == a4) - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: (((((((a4 <= 0 && 260 <= a29) || (a4 <= 0 && a29 <= 140)) || (165 <= a23 && 1 == a4)) || ((0 < a23 + 43 && !(a25 == 13)) && 1 == a4)) || (a25 == 12 && 1 == a4)) || (!(a25 == 9) && a4 <= 0)) || (1 == a4 && a25 == 10)) || (140 < a29 && 1 == a4) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 283 locations, 1 error locations. Result: SAFE, OverallTime: 20.5s, OverallIterations: 9, TraceHistogramMax: 4, AutomataDifference: 14.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, HoareTripleCheckerStatistics: 1640 SDtfs, 2774 SDslu, 349 SDs, 0 SdLazy, 7901 SolverSat, 1757 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 929 GetRequests, 906 SyntacticMatches, 3 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12775occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 9 MinimizatonAttempts, 4862 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 124 NumberOfFragments, 129 HoareAnnotationTreeSize, 3 FomulaSimplifications, 2838 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 1404 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 3057 NumberOfCodeBlocks, 3057 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 3045 ConstructedInterpolants, 0 QuantifiedInterpolants, 2020645 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1200 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 8 PerfectInterpolantSequences, 2153/2532 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...