/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/Problem10_label19.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-23 21:02:55,005 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-23 21:02:55,008 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-23 21:02:55,020 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-11-23 21:02:55,059 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 21:02:55,074 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-23 21:02:55,074 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-23 21:02:55,075 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-23 21:02:55,076 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-23 21:02:55,076 INFO L138 SettingsManager]: * Use SBE=true [2019-11-23 21:02:55,076 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-23 21:02:55,076 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-23 21:02:55,076 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-23 21:02:55,077 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-23 21:02:55,077 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-23 21:02:55,077 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-23 21:02:55,077 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-23 21:02:55,077 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-23 21:02:55,078 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-23 21:02:55,078 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-23 21:02:55,078 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-23 21:02:55,078 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-23 21:02:55,078 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-23 21:02:55,079 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-23 21:02:55,079 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-23 21:02:55,079 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-23 21:02:55,079 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-23 21:02:55,079 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-23 21:02:55,080 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-23 21:02:55,080 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-23 21:02:55,080 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-23 21:02:55,080 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-23 21:02:55,080 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-23 21:02:55,081 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-23 21:02:55,081 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-23 21:02:55,372 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-23 21:02:55,386 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-23 21:02:55,390 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-23 21:02:55,392 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-23 21:02:55,392 INFO L275 PluginConnector]: CDTParser initialized [2019-11-23 21:02:55,393 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label19.c [2019-11-23 21:02:55,460 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f29bda6e8/5f6b001d4b704060a89537f4aeeec4bf/FLAG1730932b1 [2019-11-23 21:02:56,057 INFO L306 CDTParser]: Found 1 translation units. [2019-11-23 21:02:56,058 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label19.c [2019-11-23 21:02:56,073 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f29bda6e8/5f6b001d4b704060a89537f4aeeec4bf/FLAG1730932b1 [2019-11-23 21:02:56,297 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f29bda6e8/5f6b001d4b704060a89537f4aeeec4bf [2019-11-23 21:02:56,307 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-23 21:02:56,308 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-23 21:02:56,309 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-23 21:02:56,310 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-23 21:02:56,315 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-23 21:02:56,316 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:02:56" (1/1) ... [2019-11-23 21:02:56,320 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@207a2cf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:02:56, skipping insertion in model container [2019-11-23 21:02:56,320 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:02:56" (1/1) ... [2019-11-23 21:02:56,329 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-23 21:02:56,376 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-23 21:02:56,879 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 21:02:56,884 INFO L203 MainTranslator]: Completed pre-run [2019-11-23 21:02:56,999 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 21:02:57,014 INFO L208 MainTranslator]: Completed translation [2019-11-23 21:02:57,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:02:57 WrapperNode [2019-11-23 21:02:57,015 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-23 21:02:57,016 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-23 21:02:57,016 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-23 21:02:57,016 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-23 21:02:57,028 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:02:57" (1/1) ... [2019-11-23 21:02:57,061 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:02:57" (1/1) ... [2019-11-23 21:02:57,131 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-23 21:02:57,131 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-23 21:02:57,131 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-23 21:02:57,131 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-23 21:02:57,142 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:02:57" (1/1) ... [2019-11-23 21:02:57,142 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:02:57" (1/1) ... [2019-11-23 21:02:57,148 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:02:57" (1/1) ... [2019-11-23 21:02:57,148 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:02:57" (1/1) ... [2019-11-23 21:02:57,174 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:02:57" (1/1) ... [2019-11-23 21:02:57,189 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:02:57" (1/1) ... [2019-11-23 21:02:57,201 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:02:57" (1/1) ... [2019-11-23 21:02:57,215 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-23 21:02:57,216 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-23 21:02:57,216 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-23 21:02:57,216 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-23 21:02:57,219 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:02:57" (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 21:02:57,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-23 21:02:57,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-23 21:02:58,606 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-23 21:02:58,606 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-23 21:02:58,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:02:58 BoogieIcfgContainer [2019-11-23 21:02:58,608 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-23 21:02:58,610 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-23 21:02:58,610 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-23 21:02:58,614 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-23 21:02:58,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:02:56" (1/3) ... [2019-11-23 21:02:58,617 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f4c7c0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:02:58, skipping insertion in model container [2019-11-23 21:02:58,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:02:57" (2/3) ... [2019-11-23 21:02:58,618 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f4c7c0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:02:58, skipping insertion in model container [2019-11-23 21:02:58,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:02:58" (3/3) ... [2019-11-23 21:02:58,620 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label19.c [2019-11-23 21:02:58,629 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-23 21:02:58,637 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-23 21:02:58,648 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-23 21:02:58,684 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-23 21:02:58,684 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-23 21:02:58,684 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-23 21:02:58,684 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-23 21:02:58,685 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-23 21:02:58,685 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-23 21:02:58,685 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-23 21:02:58,685 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-23 21:02:58,707 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states. [2019-11-23 21:02:58,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-23 21:02:58,713 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:02:58,714 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] [2019-11-23 21:02:58,715 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:02:58,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:02:58,720 INFO L82 PathProgramCache]: Analyzing trace with hash -748286455, now seen corresponding path program 1 times [2019-11-23 21:02:58,727 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:02:58,728 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722762898] [2019-11-23 21:02:58,728 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:02:58,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:02:58,984 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 21:02:58,985 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722762898] [2019-11-23 21:02:58,986 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 21:02:58,986 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 21:02:58,988 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873807420] [2019-11-23 21:02:58,993 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 21:02:58,994 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:02:59,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 21:02:59,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 21:02:59,011 INFO L87 Difference]: Start difference. First operand 206 states. Second operand 4 states. [2019-11-23 21:03:00,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:03:00,628 INFO L93 Difference]: Finished difference Result 709 states and 1261 transitions. [2019-11-23 21:03:00,629 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-23 21:03:00,630 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 29 [2019-11-23 21:03:00,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:03:00,650 INFO L225 Difference]: With dead ends: 709 [2019-11-23 21:03:00,650 INFO L226 Difference]: Without dead ends: 421 [2019-11-23 21:03:00,655 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 21:03:00,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2019-11-23 21:03:00,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 282. [2019-11-23 21:03:00,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2019-11-23 21:03:00,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 432 transitions. [2019-11-23 21:03:00,722 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 432 transitions. Word has length 29 [2019-11-23 21:03:00,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:03:00,722 INFO L462 AbstractCegarLoop]: Abstraction has 282 states and 432 transitions. [2019-11-23 21:03:00,723 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 21:03:00,723 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 432 transitions. [2019-11-23 21:03:00,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2019-11-23 21:03:00,726 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:03:00,727 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:03:00,727 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:03:00,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:03:00,728 INFO L82 PathProgramCache]: Analyzing trace with hash 114583996, now seen corresponding path program 1 times [2019-11-23 21:03:00,728 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:03:00,728 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574991055] [2019-11-23 21:03:00,728 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:03:00,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:03:01,175 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 17 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-23 21:03:01,176 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574991055] [2019-11-23 21:03:01,176 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1288567650] [2019-11-23 21:03:01,176 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 21:03:01,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:03:01,244 INFO L255 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-23 21:03:01,254 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-23 21:03:01,316 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 21:03:01,316 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-23 21:03:01,316 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2019-11-23 21:03:01,318 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855618619] [2019-11-23 21:03:01,318 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-23 21:03:01,319 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:03:01,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-23 21:03:01,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2019-11-23 21:03:01,319 INFO L87 Difference]: Start difference. First operand 282 states and 432 transitions. Second operand 3 states. [2019-11-23 21:03:02,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:03:02,177 INFO L93 Difference]: Finished difference Result 840 states and 1291 transitions. [2019-11-23 21:03:02,179 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-23 21:03:02,179 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 95 [2019-11-23 21:03:02,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:03:02,185 INFO L225 Difference]: With dead ends: 840 [2019-11-23 21:03:02,186 INFO L226 Difference]: Without dead ends: 560 [2019-11-23 21:03:02,188 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2019-11-23 21:03:02,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2019-11-23 21:03:02,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 560. [2019-11-23 21:03:02,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2019-11-23 21:03:02,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 770 transitions. [2019-11-23 21:03:02,217 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 770 transitions. Word has length 95 [2019-11-23 21:03:02,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:03:02,218 INFO L462 AbstractCegarLoop]: Abstraction has 560 states and 770 transitions. [2019-11-23 21:03:02,218 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-23 21:03:02,218 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 770 transitions. [2019-11-23 21:03:02,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2019-11-23 21:03:02,223 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:03:02,223 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:03:02,428 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 21:03:02,428 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:03:02,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:03:02,429 INFO L82 PathProgramCache]: Analyzing trace with hash -2129686411, now seen corresponding path program 1 times [2019-11-23 21:03:02,430 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:03:02,430 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727260372] [2019-11-23 21:03:02,431 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:03:02,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:03:02,569 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 21:03:02,570 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727260372] [2019-11-23 21:03:02,570 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 21:03:02,570 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 21:03:02,571 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586220548] [2019-11-23 21:03:02,571 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 21:03:02,571 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:03:02,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 21:03:02,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 21:03:02,572 INFO L87 Difference]: Start difference. First operand 560 states and 770 transitions. Second operand 4 states. [2019-11-23 21:03:03,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:03:03,752 INFO L93 Difference]: Finished difference Result 1396 states and 1967 transitions. [2019-11-23 21:03:03,758 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-23 21:03:03,758 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 106 [2019-11-23 21:03:03,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:03:03,765 INFO L225 Difference]: With dead ends: 1396 [2019-11-23 21:03:03,765 INFO L226 Difference]: Without dead ends: 838 [2019-11-23 21:03:03,767 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 21:03:03,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2019-11-23 21:03:03,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 838. [2019-11-23 21:03:03,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 838 states. [2019-11-23 21:03:03,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1089 transitions. [2019-11-23 21:03:03,797 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1089 transitions. Word has length 106 [2019-11-23 21:03:03,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:03:03,798 INFO L462 AbstractCegarLoop]: Abstraction has 838 states and 1089 transitions. [2019-11-23 21:03:03,798 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 21:03:03,798 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1089 transitions. [2019-11-23 21:03:03,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2019-11-23 21:03:03,807 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:03:03,807 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:03:03,807 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:03:03,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:03:03,808 INFO L82 PathProgramCache]: Analyzing trace with hash 1871671058, now seen corresponding path program 1 times [2019-11-23 21:03:03,808 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:03:03,808 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170078938] [2019-11-23 21:03:03,809 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:03:03,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:03:03,985 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 21:03:03,985 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170078938] [2019-11-23 21:03:03,986 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 21:03:03,987 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 21:03:03,987 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987565796] [2019-11-23 21:03:03,989 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 21:03:03,990 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:03:03,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 21:03:03,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 21:03:03,990 INFO L87 Difference]: Start difference. First operand 838 states and 1089 transitions. Second operand 4 states. [2019-11-23 21:03:05,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:03:05,168 INFO L93 Difference]: Finished difference Result 2925 states and 3795 transitions. [2019-11-23 21:03:05,169 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-23 21:03:05,169 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 156 [2019-11-23 21:03:05,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:03:05,180 INFO L225 Difference]: With dead ends: 2925 [2019-11-23 21:03:05,181 INFO L226 Difference]: Without dead ends: 2089 [2019-11-23 21:03:05,183 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 21:03:05,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2089 states. [2019-11-23 21:03:05,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2089 to 1116. [2019-11-23 21:03:05,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1116 states. [2019-11-23 21:03:05,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1408 transitions. [2019-11-23 21:03:05,216 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1408 transitions. Word has length 156 [2019-11-23 21:03:05,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:03:05,217 INFO L462 AbstractCegarLoop]: Abstraction has 1116 states and 1408 transitions. [2019-11-23 21:03:05,217 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 21:03:05,217 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1408 transitions. [2019-11-23 21:03:05,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2019-11-23 21:03:05,222 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:03:05,222 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, 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] [2019-11-23 21:03:05,223 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:03:05,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:03:05,223 INFO L82 PathProgramCache]: Analyzing trace with hash 21899406, now seen corresponding path program 1 times [2019-11-23 21:03:05,223 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:03:05,224 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290972165] [2019-11-23 21:03:05,224 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:03:05,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:03:05,345 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 21:03:05,346 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290972165] [2019-11-23 21:03:05,346 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 21:03:05,346 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-23 21:03:05,346 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267442137] [2019-11-23 21:03:05,347 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-23 21:03:05,347 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:03:05,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-23 21:03:05,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-11-23 21:03:05,348 INFO L87 Difference]: Start difference. First operand 1116 states and 1408 transitions. Second operand 5 states. [2019-11-23 21:03:07,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:03:07,080 INFO L93 Difference]: Finished difference Result 2925 states and 3679 transitions. [2019-11-23 21:03:07,081 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-23 21:03:07,081 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 181 [2019-11-23 21:03:07,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:03:07,088 INFO L225 Difference]: With dead ends: 2925 [2019-11-23 21:03:07,089 INFO L226 Difference]: Without dead ends: 1116 [2019-11-23 21:03:07,093 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-11-23 21:03:07,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2019-11-23 21:03:07,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 1116. [2019-11-23 21:03:07,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1116 states. [2019-11-23 21:03:07,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1246 transitions. [2019-11-23 21:03:07,123 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1246 transitions. Word has length 181 [2019-11-23 21:03:07,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:03:07,123 INFO L462 AbstractCegarLoop]: Abstraction has 1116 states and 1246 transitions. [2019-11-23 21:03:07,124 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-23 21:03:07,124 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1246 transitions. [2019-11-23 21:03:07,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2019-11-23 21:03:07,126 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:03:07,126 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 21:03:07,127 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:03:07,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:03:07,127 INFO L82 PathProgramCache]: Analyzing trace with hash 207197748, now seen corresponding path program 1 times [2019-11-23 21:03:07,127 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:03:07,128 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57346] [2019-11-23 21:03:07,128 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:03:07,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:03:07,311 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2019-11-23 21:03:07,312 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57346] [2019-11-23 21:03:07,312 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 21:03:07,312 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-23 21:03:07,313 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085216725] [2019-11-23 21:03:07,313 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 21:03:07,314 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:03:07,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 21:03:07,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 21:03:07,314 INFO L87 Difference]: Start difference. First operand 1116 states and 1246 transitions. Second operand 4 states. [2019-11-23 21:03:08,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:03:08,028 INFO L93 Difference]: Finished difference Result 1116 states and 1246 transitions. [2019-11-23 21:03:08,029 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-23 21:03:08,029 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 217 [2019-11-23 21:03:08,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:03:08,029 INFO L225 Difference]: With dead ends: 1116 [2019-11-23 21:03:08,030 INFO L226 Difference]: Without dead ends: 0 [2019-11-23 21:03:08,031 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 21:03:08,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-23 21:03:08,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-23 21:03:08,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-23 21:03:08,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-23 21:03:08,032 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 217 [2019-11-23 21:03:08,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:03:08,033 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-23 21:03:08,033 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 21:03:08,033 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-23 21:03:08,033 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-23 21:03:08,038 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-23 21:03:08,282 INFO L444 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2019-11-23 21:03:08,282 INFO L444 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:08,282 INFO L444 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:08,283 INFO L444 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:08,283 INFO L444 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:08,284 INFO L444 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:08,284 INFO L444 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:08,284 INFO L444 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2019-11-23 21:03:08,285 INFO L444 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2019-11-23 21:03:08,285 INFO L444 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-11-23 21:03:08,285 INFO L444 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2019-11-23 21:03:08,285 INFO L444 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2019-11-23 21:03:08,285 INFO L444 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2019-11-23 21:03:08,286 INFO L444 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2019-11-23 21:03:08,286 INFO L444 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2019-11-23 21:03:08,286 INFO L444 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2019-11-23 21:03:08,286 INFO L444 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2019-11-23 21:03:08,286 INFO L444 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2019-11-23 21:03:08,286 INFO L444 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:08,295 INFO L444 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:08,295 INFO L444 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:08,295 INFO L444 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:08,296 INFO L444 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:08,296 INFO L444 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2019-11-23 21:03:08,296 INFO L444 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2019-11-23 21:03:08,296 INFO L444 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2019-11-23 21:03:08,296 INFO L444 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2019-11-23 21:03:08,297 INFO L444 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2019-11-23 21:03:08,297 INFO L444 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2019-11-23 21:03:08,297 INFO L444 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2019-11-23 21:03:08,297 INFO L444 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2019-11-23 21:03:08,297 INFO L444 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2019-11-23 21:03:08,298 INFO L444 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2019-11-23 21:03:08,299 INFO L444 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2019-11-23 21:03:08,300 INFO L444 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2019-11-23 21:03:08,300 INFO L444 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2019-11-23 21:03:08,300 INFO L444 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2019-11-23 21:03:08,300 INFO L444 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:08,300 INFO L444 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:08,300 INFO L444 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:08,301 INFO L444 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:08,301 INFO L444 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:08,301 INFO L444 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2019-11-23 21:03:08,301 INFO L444 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-11-23 21:03:08,301 INFO L444 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2019-11-23 21:03:08,301 INFO L444 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2019-11-23 21:03:08,301 INFO L444 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2019-11-23 21:03:08,301 INFO L444 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2019-11-23 21:03:08,302 INFO L440 ceAbstractionStarter]: At program point L573(lines 20 574) the Hoare annotation is: (or (<= 2 ~a10~0) (<= 10 ~a19~0) (= ~a19~0 9) (and (not (= ~a19~0 7)) (= ~a10~0 0)) (< 0 (+ ~a1~0 13))) [2019-11-23 21:03:08,302 INFO L444 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2019-11-23 21:03:08,302 INFO L444 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2019-11-23 21:03:08,302 INFO L444 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2019-11-23 21:03:08,302 INFO L444 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2019-11-23 21:03:08,303 INFO L444 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:08,304 INFO L444 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:08,304 INFO L444 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:08,304 INFO L444 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:08,304 INFO L444 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:08,305 INFO L444 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2019-11-23 21:03:08,305 INFO L444 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2019-11-23 21:03:08,305 INFO L444 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2019-11-23 21:03:08,305 INFO L444 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2019-11-23 21:03:08,305 INFO L444 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2019-11-23 21:03:08,305 INFO L444 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2019-11-23 21:03:08,305 INFO L444 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2019-11-23 21:03:08,305 INFO L444 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2019-11-23 21:03:08,306 INFO L444 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2019-11-23 21:03:08,306 INFO L444 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2019-11-23 21:03:08,306 INFO L447 ceAbstractionStarter]: At program point L576(lines 576 592) the Hoare annotation is: true [2019-11-23 21:03:08,306 INFO L444 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2019-11-23 21:03:08,306 INFO L444 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2019-11-23 21:03:08,306 INFO L444 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2019-11-23 21:03:08,306 INFO L444 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:08,306 INFO L444 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:08,307 INFO L444 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:08,307 INFO L444 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:08,307 INFO L444 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:08,307 INFO L444 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2019-11-23 21:03:08,307 INFO L444 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2019-11-23 21:03:08,307 INFO L444 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2019-11-23 21:03:08,307 INFO L444 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-11-23 21:03:08,307 INFO L444 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2019-11-23 21:03:08,308 INFO L444 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2019-11-23 21:03:08,308 INFO L444 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2019-11-23 21:03:08,308 INFO L444 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2019-11-23 21:03:08,308 INFO L444 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2019-11-23 21:03:08,308 INFO L444 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:08,308 INFO L444 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:08,308 INFO L444 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:08,308 INFO L444 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:08,309 INFO L444 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:08,309 INFO L444 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2019-11-23 21:03:08,309 INFO L444 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2019-11-23 21:03:08,309 INFO L444 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2019-11-23 21:03:08,309 INFO L444 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2019-11-23 21:03:08,309 INFO L444 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2019-11-23 21:03:08,309 INFO L444 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2019-11-23 21:03:08,310 INFO L444 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-11-23 21:03:08,310 INFO L444 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-11-23 21:03:08,310 INFO L444 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2019-11-23 21:03:08,310 INFO L444 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2019-11-23 21:03:08,310 INFO L444 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2019-11-23 21:03:08,310 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-23 21:03:08,310 INFO L444 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2019-11-23 21:03:08,312 INFO L440 ceAbstractionStarter]: At program point L582-2(lines 582 591) the Hoare annotation is: (or (<= 2 ~a10~0) (<= 10 ~a19~0) (= ~a19~0 9) (and (not (= ~a19~0 7)) (= ~a10~0 0)) (< 0 (+ ~a1~0 13))) [2019-11-23 21:03:08,312 INFO L444 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2019-11-23 21:03:08,312 INFO L444 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:08,312 INFO L444 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:08,312 INFO L444 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:08,312 INFO L444 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:08,313 INFO L444 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2019-11-23 21:03:08,313 INFO L444 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:08,313 INFO L444 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:08,313 INFO L444 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2019-11-23 21:03:08,313 INFO L444 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2019-11-23 21:03:08,313 INFO L444 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2019-11-23 21:03:08,313 INFO L444 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2019-11-23 21:03:08,313 INFO L444 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2019-11-23 21:03:08,314 INFO L444 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2019-11-23 21:03:08,314 INFO L444 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-11-23 21:03:08,315 INFO L444 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2019-11-23 21:03:08,315 INFO L444 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2019-11-23 21:03:08,315 INFO L444 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2019-11-23 21:03:08,315 INFO L444 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2019-11-23 21:03:08,315 INFO L444 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2019-11-23 21:03:08,315 INFO L444 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2019-11-23 21:03:08,315 INFO L444 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:08,318 INFO L444 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:08,318 INFO L444 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:08,319 INFO L444 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:08,319 INFO L444 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:08,319 INFO L444 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:08,319 INFO L444 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2019-11-23 21:03:08,319 INFO L444 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2019-11-23 21:03:08,319 INFO L444 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2019-11-23 21:03:08,323 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-23 21:03:08,323 INFO L444 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2019-11-23 21:03:08,324 INFO L444 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2019-11-23 21:03:08,324 INFO L444 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2019-11-23 21:03:08,324 INFO L444 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-11-23 21:03:08,324 INFO L444 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2019-11-23 21:03:08,324 INFO L444 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2019-11-23 21:03:08,324 INFO L444 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2019-11-23 21:03:08,325 INFO L444 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2019-11-23 21:03:08,325 INFO L444 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2019-11-23 21:03:08,325 INFO L444 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2019-11-23 21:03:08,325 INFO L444 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2019-11-23 21:03:08,325 INFO L444 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2019-11-23 21:03:08,326 INFO L444 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:08,326 INFO L444 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:08,326 INFO L444 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:08,326 INFO L444 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:08,326 INFO L444 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:08,326 INFO L444 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:08,327 INFO L444 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2019-11-23 21:03:08,327 INFO L444 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-11-23 21:03:08,327 INFO L444 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2019-11-23 21:03:08,327 INFO L444 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2019-11-23 21:03:08,327 INFO L444 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2019-11-23 21:03:08,327 INFO L444 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2019-11-23 21:03:08,328 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-23 21:03:08,328 INFO L444 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2019-11-23 21:03:08,329 INFO L444 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2019-11-23 21:03:08,329 INFO L444 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2019-11-23 21:03:08,329 INFO L444 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2019-11-23 21:03:08,329 INFO L444 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2019-11-23 21:03:08,331 INFO L444 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2019-11-23 21:03:08,331 INFO L444 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2019-11-23 21:03:08,332 INFO L444 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:08,332 INFO L444 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:08,332 INFO L444 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:08,332 INFO L444 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:08,332 INFO L444 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:08,333 INFO L444 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:08,333 INFO L444 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2019-11-23 21:03:08,333 INFO L444 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2019-11-23 21:03:08,333 INFO L444 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2019-11-23 21:03:08,333 INFO L444 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2019-11-23 21:03:08,333 INFO L444 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2019-11-23 21:03:08,334 INFO L444 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2019-11-23 21:03:08,334 INFO L444 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2019-11-23 21:03:08,334 INFO L444 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2019-11-23 21:03:08,334 INFO L444 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2019-11-23 21:03:08,334 INFO L444 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2019-11-23 21:03:08,335 INFO L444 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2019-11-23 21:03:08,335 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-23 21:03:08,335 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 91) no Hoare annotation was computed. [2019-11-23 21:03:08,335 INFO L444 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2019-11-23 21:03:08,335 INFO L444 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:08,336 INFO L444 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:08,336 INFO L444 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:08,336 INFO L444 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:08,336 INFO L444 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:08,336 INFO L444 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:08,336 INFO L444 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2019-11-23 21:03:08,337 INFO L444 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2019-11-23 21:03:08,337 INFO L444 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2019-11-23 21:03:08,337 INFO L444 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2019-11-23 21:03:08,337 INFO L444 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2019-11-23 21:03:08,337 INFO L444 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2019-11-23 21:03:08,337 INFO L444 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2019-11-23 21:03:08,338 INFO L444 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2019-11-23 21:03:08,338 INFO L444 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2019-11-23 21:03:08,338 INFO L444 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2019-11-23 21:03:08,338 INFO L444 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2019-11-23 21:03:08,338 INFO L444 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2019-11-23 21:03:08,372 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:03:08 BoogieIcfgContainer [2019-11-23 21:03:08,372 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-23 21:03:08,377 INFO L168 Benchmark]: Toolchain (without parser) took 12066.06 ms. Allocated memory was 137.9 MB in the beginning and 358.1 MB in the end (delta: 220.2 MB). Free memory was 101.8 MB in the beginning and 200.3 MB in the end (delta: -98.5 MB). Peak memory consumption was 121.7 MB. Max. memory is 7.1 GB. [2019-11-23 21:03:08,379 INFO L168 Benchmark]: CDTParser took 0.66 ms. Allocated memory is still 137.9 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-11-23 21:03:08,387 INFO L168 Benchmark]: CACSL2BoogieTranslator took 706.27 ms. Allocated memory was 137.9 MB in the beginning and 203.4 MB in the end (delta: 65.5 MB). Free memory was 101.6 MB in the beginning and 169.7 MB in the end (delta: -68.1 MB). Peak memory consumption was 35.8 MB. Max. memory is 7.1 GB. [2019-11-23 21:03:08,389 INFO L168 Benchmark]: Boogie Procedure Inliner took 114.71 ms. Allocated memory is still 203.4 MB. Free memory was 169.7 MB in the beginning and 161.2 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 7.1 GB. [2019-11-23 21:03:08,390 INFO L168 Benchmark]: Boogie Preprocessor took 84.45 ms. Allocated memory is still 203.4 MB. Free memory was 161.2 MB in the beginning and 156.3 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2019-11-23 21:03:08,391 INFO L168 Benchmark]: RCFGBuilder took 1392.41 ms. Allocated memory was 203.4 MB in the beginning and 235.9 MB in the end (delta: 32.5 MB). Free memory was 156.3 MB in the beginning and 166.8 MB in the end (delta: -10.6 MB). Peak memory consumption was 77.9 MB. Max. memory is 7.1 GB. [2019-11-23 21:03:08,396 INFO L168 Benchmark]: TraceAbstraction took 9762.20 ms. Allocated memory was 235.9 MB in the beginning and 358.1 MB in the end (delta: 122.2 MB). Free memory was 166.8 MB in the beginning and 200.3 MB in the end (delta: -33.5 MB). Peak memory consumption was 88.7 MB. Max. memory is 7.1 GB. [2019-11-23 21:03:08,409 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.66 ms. Allocated memory is still 137.9 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 706.27 ms. Allocated memory was 137.9 MB in the beginning and 203.4 MB in the end (delta: 65.5 MB). Free memory was 101.6 MB in the beginning and 169.7 MB in the end (delta: -68.1 MB). Peak memory consumption was 35.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 114.71 ms. Allocated memory is still 203.4 MB. Free memory was 169.7 MB in the beginning and 161.2 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 84.45 ms. Allocated memory is still 203.4 MB. Free memory was 161.2 MB in the beginning and 156.3 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1392.41 ms. Allocated memory was 203.4 MB in the beginning and 235.9 MB in the end (delta: 32.5 MB). Free memory was 156.3 MB in the beginning and 166.8 MB in the end (delta: -10.6 MB). Peak memory consumption was 77.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 9762.20 ms. Allocated memory was 235.9 MB in the beginning and 358.1 MB in the end (delta: 122.2 MB). Free memory was 166.8 MB in the beginning and 200.3 MB in the end (delta: -33.5 MB). Peak memory consumption was 88.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 91]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: (((2 <= a10 || 10 <= a19) || a19 == 9) || (!(a19 == 7) && a10 == 0)) || 0 < a1 + 13 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((2 <= a10 || 10 <= a19) || a19 == 9) || (!(a19 == 7) && a10 == 0)) || 0 < a1 + 13 - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 206 locations, 1 error locations. Result: SAFE, OverallTime: 9.6s, OverallIterations: 6, TraceHistogramMax: 3, AutomataDifference: 7.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 513 SDtfs, 1620 SDslu, 61 SDs, 0 SdLazy, 3741 SolverSat, 733 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 121 GetRequests, 102 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1116occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 1112 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 32 NumberOfFragments, 47 HoareAnnotationTreeSize, 3 FomulaSimplifications, 602 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 306 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 879 NumberOfCodeBlocks, 879 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 872 ConstructedInterpolants, 0 QuantifiedInterpolants, 325331 SizeOfPredicates, 1 NumberOfNonLiveVariables, 158 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 352/360 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...