/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/Problem14_label32.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-23 21:12:13,456 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-23 21:12:13,458 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-23 21:12:13,470 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-11-23 21:12:13,504 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 21:12:13,528 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-23 21:12:13,528 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-23 21:12:13,531 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-23 21:12:13,531 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-23 21:12:13,531 INFO L138 SettingsManager]: * Use SBE=true [2019-11-23 21:12:13,532 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-23 21:12:13,532 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-23 21:12:13,532 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-23 21:12:13,532 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-23 21:12:13,532 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-23 21:12:13,533 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-23 21:12:13,533 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-23 21:12:13,534 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-23 21:12:13,534 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-23 21:12:13,534 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-23 21:12:13,534 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-23 21:12:13,535 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-23 21:12:13,535 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-23 21:12:13,535 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-23 21:12:13,535 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-23 21:12:13,536 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-23 21:12:13,536 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-23 21:12:13,536 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-23 21:12:13,537 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-23 21:12:13,537 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-23 21:12:13,537 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-23 21:12:13,537 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-23 21:12:13,537 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-23 21:12:13,538 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-23 21:12:13,538 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-23 21:12:13,824 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-23 21:12:13,841 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-23 21:12:13,845 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-23 21:12:13,846 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-23 21:12:13,847 INFO L275 PluginConnector]: CDTParser initialized [2019-11-23 21:12:13,848 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label32.c [2019-11-23 21:12:13,917 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1d24329a/e12573572597455aa4048053106799ed/FLAG3b825be57 [2019-11-23 21:12:14,530 INFO L306 CDTParser]: Found 1 translation units. [2019-11-23 21:12:14,530 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label32.c [2019-11-23 21:12:14,543 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1d24329a/e12573572597455aa4048053106799ed/FLAG3b825be57 [2019-11-23 21:12:14,803 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1d24329a/e12573572597455aa4048053106799ed [2019-11-23 21:12:14,813 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-23 21:12:14,815 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-23 21:12:14,816 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-23 21:12:14,816 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-23 21:12:14,821 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-23 21:12:14,822 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:12:14" (1/1) ... [2019-11-23 21:12:14,825 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49aba261 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:14, skipping insertion in model container [2019-11-23 21:12:14,825 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:12:14" (1/1) ... [2019-11-23 21:12:14,834 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-23 21:12:14,900 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-23 21:12:15,488 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 21:12:15,492 INFO L203 MainTranslator]: Completed pre-run [2019-11-23 21:12:15,603 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 21:12:15,625 INFO L208 MainTranslator]: Completed translation [2019-11-23 21:12:15,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:15 WrapperNode [2019-11-23 21:12:15,627 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-23 21:12:15,628 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-23 21:12:15,628 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-23 21:12:15,628 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-23 21:12:15,637 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:15" (1/1) ... [2019-11-23 21:12:15,662 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:15" (1/1) ... [2019-11-23 21:12:15,741 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-23 21:12:15,741 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-23 21:12:15,741 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-23 21:12:15,741 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-23 21:12:15,752 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:15" (1/1) ... [2019-11-23 21:12:15,752 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:15" (1/1) ... [2019-11-23 21:12:15,758 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:15" (1/1) ... [2019-11-23 21:12:15,758 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:15" (1/1) ... [2019-11-23 21:12:15,796 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:15" (1/1) ... [2019-11-23 21:12:15,820 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:15" (1/1) ... [2019-11-23 21:12:15,840 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:15" (1/1) ... [2019-11-23 21:12:15,854 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-23 21:12:15,854 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-23 21:12:15,854 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-23 21:12:15,855 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-23 21:12:15,856 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:15" (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 21:12:15,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-23 21:12:15,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-23 21:12:17,284 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-23 21:12:17,284 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-23 21:12:17,285 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:12:17 BoogieIcfgContainer [2019-11-23 21:12:17,286 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-23 21:12:17,287 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-23 21:12:17,287 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-23 21:12:17,290 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-23 21:12:17,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:12:14" (1/3) ... [2019-11-23 21:12:17,291 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fc3a72a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:12:17, skipping insertion in model container [2019-11-23 21:12:17,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:15" (2/3) ... [2019-11-23 21:12:17,292 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fc3a72a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:12:17, skipping insertion in model container [2019-11-23 21:12:17,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:12:17" (3/3) ... [2019-11-23 21:12:17,294 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label32.c [2019-11-23 21:12:17,304 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-23 21:12:17,311 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-23 21:12:17,323 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-23 21:12:17,350 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-23 21:12:17,350 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-23 21:12:17,350 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-23 21:12:17,350 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-23 21:12:17,351 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-23 21:12:17,351 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-23 21:12:17,351 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-23 21:12:17,351 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-23 21:12:17,374 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states. [2019-11-23 21:12:17,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-11-23 21:12:17,383 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:12:17,385 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] [2019-11-23 21:12:17,385 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:12:17,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:12:17,392 INFO L82 PathProgramCache]: Analyzing trace with hash 1246856209, now seen corresponding path program 1 times [2019-11-23 21:12:17,401 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:12:17,402 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081162362] [2019-11-23 21:12:17,402 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:12:17,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:12:17,677 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 21:12:17,678 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081162362] [2019-11-23 21:12:17,679 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 21:12:17,680 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 21:12:17,682 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440687598] [2019-11-23 21:12:17,687 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 21:12:17,688 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:12:17,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 21:12:17,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 21:12:17,705 INFO L87 Difference]: Start difference. First operand 245 states. Second operand 4 states. [2019-11-23 21:12:19,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:12:19,777 INFO L93 Difference]: Finished difference Result 866 states and 1574 transitions. [2019-11-23 21:12:19,777 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-23 21:12:19,779 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 55 [2019-11-23 21:12:19,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:12:19,800 INFO L225 Difference]: With dead ends: 866 [2019-11-23 21:12:19,800 INFO L226 Difference]: Without dead ends: 538 [2019-11-23 21:12:19,806 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 21:12:19,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2019-11-23 21:12:19,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 538. [2019-11-23 21:12:19,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2019-11-23 21:12:19,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 754 transitions. [2019-11-23 21:12:19,914 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 754 transitions. Word has length 55 [2019-11-23 21:12:19,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:12:19,917 INFO L462 AbstractCegarLoop]: Abstraction has 538 states and 754 transitions. [2019-11-23 21:12:19,917 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 21:12:19,918 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 754 transitions. [2019-11-23 21:12:19,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2019-11-23 21:12:19,934 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:12:19,935 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:12:19,935 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:12:19,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:12:19,935 INFO L82 PathProgramCache]: Analyzing trace with hash 818859818, now seen corresponding path program 1 times [2019-11-23 21:12:19,936 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:12:19,937 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493861772] [2019-11-23 21:12:19,937 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:12:20,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:12:20,559 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 21:12:20,559 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493861772] [2019-11-23 21:12:20,560 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 21:12:20,560 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-23 21:12:20,560 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643346582] [2019-11-23 21:12:20,562 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-23 21:12:20,563 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:12:20,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-23 21:12:20,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-23 21:12:20,563 INFO L87 Difference]: Start difference. First operand 538 states and 754 transitions. Second operand 6 states. [2019-11-23 21:12:22,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:12:22,606 INFO L93 Difference]: Finished difference Result 1964 states and 2764 transitions. [2019-11-23 21:12:22,606 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-23 21:12:22,607 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 163 [2019-11-23 21:12:22,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:12:22,616 INFO L225 Difference]: With dead ends: 1964 [2019-11-23 21:12:22,616 INFO L226 Difference]: Without dead ends: 1428 [2019-11-23 21:12:22,619 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2019-11-23 21:12:22,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1428 states. [2019-11-23 21:12:22,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1428 to 1428. [2019-11-23 21:12:22,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1428 states. [2019-11-23 21:12:22,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1428 states to 1428 states and 1849 transitions. [2019-11-23 21:12:22,664 INFO L78 Accepts]: Start accepts. Automaton has 1428 states and 1849 transitions. Word has length 163 [2019-11-23 21:12:22,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:12:22,665 INFO L462 AbstractCegarLoop]: Abstraction has 1428 states and 1849 transitions. [2019-11-23 21:12:22,665 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-23 21:12:22,665 INFO L276 IsEmpty]: Start isEmpty. Operand 1428 states and 1849 transitions. [2019-11-23 21:12:22,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2019-11-23 21:12:22,671 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:12:22,671 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, 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] [2019-11-23 21:12:22,671 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:12:22,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:12:22,672 INFO L82 PathProgramCache]: Analyzing trace with hash 1413016218, now seen corresponding path program 1 times [2019-11-23 21:12:22,672 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:12:22,672 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401537930] [2019-11-23 21:12:22,673 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:12:22,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:12:22,866 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2019-11-23 21:12:22,866 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401537930] [2019-11-23 21:12:22,867 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 21:12:22,867 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 21:12:22,867 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751780769] [2019-11-23 21:12:22,868 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 21:12:22,868 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:12:22,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 21:12:22,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 21:12:22,869 INFO L87 Difference]: Start difference. First operand 1428 states and 1849 transitions. Second operand 4 states. [2019-11-23 21:12:24,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:12:24,230 INFO L93 Difference]: Finished difference Result 3922 states and 5314 transitions. [2019-11-23 21:12:24,230 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-23 21:12:24,231 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 229 [2019-11-23 21:12:24,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:12:24,243 INFO L225 Difference]: With dead ends: 3922 [2019-11-23 21:12:24,244 INFO L226 Difference]: Without dead ends: 2674 [2019-11-23 21:12:24,246 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 21:12:24,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2674 states. [2019-11-23 21:12:24,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2674 to 2318. [2019-11-23 21:12:24,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2318 states. [2019-11-23 21:12:24,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2318 states to 2318 states and 2951 transitions. [2019-11-23 21:12:24,306 INFO L78 Accepts]: Start accepts. Automaton has 2318 states and 2951 transitions. Word has length 229 [2019-11-23 21:12:24,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:12:24,307 INFO L462 AbstractCegarLoop]: Abstraction has 2318 states and 2951 transitions. [2019-11-23 21:12:24,307 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 21:12:24,307 INFO L276 IsEmpty]: Start isEmpty. Operand 2318 states and 2951 transitions. [2019-11-23 21:12:24,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2019-11-23 21:12:24,312 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:12:24,312 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, 2, 2, 2, 2, 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] [2019-11-23 21:12:24,312 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:12:24,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:12:24,313 INFO L82 PathProgramCache]: Analyzing trace with hash 1877511677, now seen corresponding path program 1 times [2019-11-23 21:12:24,313 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:12:24,313 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187822116] [2019-11-23 21:12:24,314 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:12:24,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:12:24,695 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 156 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-11-23 21:12:24,696 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187822116] [2019-11-23 21:12:24,697 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1430224539] [2019-11-23 21:12:24,697 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 21:12:24,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:12:24,825 INFO L255 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-23 21:12:24,848 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-23 21:12:24,988 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-11-23 21:12:24,988 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-23 21:12:24,989 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2019-11-23 21:12:24,989 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636043109] [2019-11-23 21:12:24,990 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 21:12:24,991 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:12:24,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 21:12:24,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2019-11-23 21:12:24,991 INFO L87 Difference]: Start difference. First operand 2318 states and 2951 transitions. Second operand 4 states. [2019-11-23 21:12:26,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:12:26,079 INFO L93 Difference]: Finished difference Result 4692 states and 5976 transitions. [2019-11-23 21:12:26,080 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-23 21:12:26,080 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 243 [2019-11-23 21:12:26,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:12:26,092 INFO L225 Difference]: With dead ends: 4692 [2019-11-23 21:12:26,093 INFO L226 Difference]: Without dead ends: 2496 [2019-11-23 21:12:26,095 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 242 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2019-11-23 21:12:26,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2496 states. [2019-11-23 21:12:26,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2496 to 2318. [2019-11-23 21:12:26,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2318 states. [2019-11-23 21:12:26,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2318 states to 2318 states and 2545 transitions. [2019-11-23 21:12:26,147 INFO L78 Accepts]: Start accepts. Automaton has 2318 states and 2545 transitions. Word has length 243 [2019-11-23 21:12:26,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:12:26,148 INFO L462 AbstractCegarLoop]: Abstraction has 2318 states and 2545 transitions. [2019-11-23 21:12:26,148 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 21:12:26,148 INFO L276 IsEmpty]: Start isEmpty. Operand 2318 states and 2545 transitions. [2019-11-23 21:12:26,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2019-11-23 21:12:26,154 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:12:26,154 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 21:12:26,358 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 21:12:26,358 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:12:26,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:12:26,359 INFO L82 PathProgramCache]: Analyzing trace with hash 213224939, now seen corresponding path program 1 times [2019-11-23 21:12:26,359 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:12:26,361 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380107451] [2019-11-23 21:12:26,361 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:12:26,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:12:27,049 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 282 proven. 65 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2019-11-23 21:12:27,050 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380107451] [2019-11-23 21:12:27,050 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1342240453] [2019-11-23 21:12:27,050 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 21:12:27,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:12:27,148 INFO L255 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-23 21:12:27,155 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-23 21:12:27,228 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2019-11-23 21:12:27,228 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-23 21:12:27,229 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2019-11-23 21:12:27,229 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024790773] [2019-11-23 21:12:27,230 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-23 21:12:27,230 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:12:27,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-23 21:12:27,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-11-23 21:12:27,231 INFO L87 Difference]: Start difference. First operand 2318 states and 2545 transitions. Second operand 3 states. [2019-11-23 21:12:27,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:12:27,909 INFO L93 Difference]: Finished difference Result 4456 states and 4909 transitions. [2019-11-23 21:12:27,913 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-23 21:12:27,914 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 338 [2019-11-23 21:12:27,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:12:27,926 INFO L225 Difference]: With dead ends: 4456 [2019-11-23 21:12:27,927 INFO L226 Difference]: Without dead ends: 2318 [2019-11-23 21:12:27,931 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 344 GetRequests, 337 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-11-23 21:12:27,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2318 states. [2019-11-23 21:12:27,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2318 to 2318. [2019-11-23 21:12:27,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2318 states. [2019-11-23 21:12:27,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2318 states to 2318 states and 2514 transitions. [2019-11-23 21:12:27,978 INFO L78 Accepts]: Start accepts. Automaton has 2318 states and 2514 transitions. Word has length 338 [2019-11-23 21:12:27,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:12:27,979 INFO L462 AbstractCegarLoop]: Abstraction has 2318 states and 2514 transitions. [2019-11-23 21:12:27,979 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-23 21:12:27,979 INFO L276 IsEmpty]: Start isEmpty. Operand 2318 states and 2514 transitions. [2019-11-23 21:12:27,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2019-11-23 21:12:27,985 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:12:27,986 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, 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, 1, 1, 1, 1, 1, 1, 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 21:12:28,198 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 21:12:28,198 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:12:28,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:12:28,199 INFO L82 PathProgramCache]: Analyzing trace with hash 1499893231, now seen corresponding path program 1 times [2019-11-23 21:12:28,199 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:12:28,199 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398571956] [2019-11-23 21:12:28,199 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:12:28,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:12:28,965 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 343 proven. 4 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2019-11-23 21:12:28,965 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398571956] [2019-11-23 21:12:28,965 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1658245105] [2019-11-23 21:12:28,966 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 21:12:29,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:12:29,069 INFO L255 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-23 21:12:29,073 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-23 21:12:29,154 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2019-11-23 21:12:29,155 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-23 21:12:29,156 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2019-11-23 21:12:29,156 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48528615] [2019-11-23 21:12:29,157 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-23 21:12:29,157 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:12:29,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-23 21:12:29,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-11-23 21:12:29,158 INFO L87 Difference]: Start difference. First operand 2318 states and 2514 transitions. Second operand 3 states. [2019-11-23 21:12:29,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:12:29,794 INFO L93 Difference]: Finished difference Result 4634 states and 5050 transitions. [2019-11-23 21:12:29,794 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-23 21:12:29,795 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 359 [2019-11-23 21:12:29,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:12:29,804 INFO L225 Difference]: With dead ends: 4634 [2019-11-23 21:12:29,804 INFO L226 Difference]: Without dead ends: 2496 [2019-11-23 21:12:29,807 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 363 GetRequests, 358 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-11-23 21:12:29,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2496 states. [2019-11-23 21:12:29,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2496 to 2140. [2019-11-23 21:12:29,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2140 states. [2019-11-23 21:12:29,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2140 states to 2140 states and 2314 transitions. [2019-11-23 21:12:29,844 INFO L78 Accepts]: Start accepts. Automaton has 2140 states and 2314 transitions. Word has length 359 [2019-11-23 21:12:29,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:12:29,845 INFO L462 AbstractCegarLoop]: Abstraction has 2140 states and 2314 transitions. [2019-11-23 21:12:29,845 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-23 21:12:29,846 INFO L276 IsEmpty]: Start isEmpty. Operand 2140 states and 2314 transitions. [2019-11-23 21:12:29,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2019-11-23 21:12:29,854 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:12:29,854 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 21:12:30,057 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 21:12:30,058 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:12:30,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:12:30,059 INFO L82 PathProgramCache]: Analyzing trace with hash 1717268069, now seen corresponding path program 1 times [2019-11-23 21:12:30,059 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:12:30,059 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252569857] [2019-11-23 21:12:30,060 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:12:30,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:12:30,557 INFO L134 CoverageAnalysis]: Checked inductivity of 661 backedges. 420 proven. 65 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2019-11-23 21:12:30,557 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252569857] [2019-11-23 21:12:30,558 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1082962276] [2019-11-23 21:12:30,558 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 21:12:30,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:12:30,668 INFO L255 TraceCheckSpWp]: Trace formula consists of 534 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-23 21:12:30,673 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-23 21:12:30,844 INFO L134 CoverageAnalysis]: Checked inductivity of 661 backedges. 380 proven. 39 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2019-11-23 21:12:30,844 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-23 21:12:30,844 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2019-11-23 21:12:30,845 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937827670] [2019-11-23 21:12:30,846 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-23 21:12:30,846 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:12:30,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-23 21:12:30,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-11-23 21:12:30,847 INFO L87 Difference]: Start difference. First operand 2140 states and 2314 transitions. Second operand 10 states. [2019-11-23 21:12:34,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:12:34,430 INFO L93 Difference]: Finished difference Result 5575 states and 6053 transitions. [2019-11-23 21:12:34,431 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-23 21:12:34,431 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 408 [2019-11-23 21:12:34,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:12:34,445 INFO L225 Difference]: With dead ends: 5575 [2019-11-23 21:12:34,446 INFO L226 Difference]: Without dead ends: 2861 [2019-11-23 21:12:34,449 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 434 GetRequests, 415 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=112, Invalid=268, Unknown=0, NotChecked=0, Total=380 [2019-11-23 21:12:34,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2861 states. [2019-11-23 21:12:34,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2861 to 2496. [2019-11-23 21:12:34,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2496 states. [2019-11-23 21:12:34,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2496 states to 2496 states and 2687 transitions. [2019-11-23 21:12:34,494 INFO L78 Accepts]: Start accepts. Automaton has 2496 states and 2687 transitions. Word has length 408 [2019-11-23 21:12:34,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:12:34,494 INFO L462 AbstractCegarLoop]: Abstraction has 2496 states and 2687 transitions. [2019-11-23 21:12:34,494 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-23 21:12:34,494 INFO L276 IsEmpty]: Start isEmpty. Operand 2496 states and 2687 transitions. [2019-11-23 21:12:34,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 751 [2019-11-23 21:12:34,503 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:12:34,503 INFO L410 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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 21:12:34,708 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 21:12:34,708 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:12:34,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:12:34,709 INFO L82 PathProgramCache]: Analyzing trace with hash -1689769193, now seen corresponding path program 1 times [2019-11-23 21:12:34,709 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:12:34,714 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557731642] [2019-11-23 21:12:34,715 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:12:34,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:12:35,589 INFO L134 CoverageAnalysis]: Checked inductivity of 1682 backedges. 1193 proven. 0 refuted. 0 times theorem prover too weak. 489 trivial. 0 not checked. [2019-11-23 21:12:35,590 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557731642] [2019-11-23 21:12:35,590 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 21:12:35,590 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-23 21:12:35,591 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798906398] [2019-11-23 21:12:35,592 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 21:12:35,592 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:12:35,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 21:12:35,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 21:12:35,593 INFO L87 Difference]: Start difference. First operand 2496 states and 2687 transitions. Second operand 4 states. [2019-11-23 21:12:36,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:12:36,597 INFO L93 Difference]: Finished difference Result 6236 states and 6755 transitions. [2019-11-23 21:12:36,598 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-23 21:12:36,598 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 750 [2019-11-23 21:12:36,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:12:36,618 INFO L225 Difference]: With dead ends: 6236 [2019-11-23 21:12:36,618 INFO L226 Difference]: Without dead ends: 3920 [2019-11-23 21:12:36,622 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 21:12:36,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3920 states. [2019-11-23 21:12:36,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3920 to 3742. [2019-11-23 21:12:36,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3742 states. [2019-11-23 21:12:36,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3742 states to 3742 states and 3990 transitions. [2019-11-23 21:12:36,712 INFO L78 Accepts]: Start accepts. Automaton has 3742 states and 3990 transitions. Word has length 750 [2019-11-23 21:12:36,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:12:36,713 INFO L462 AbstractCegarLoop]: Abstraction has 3742 states and 3990 transitions. [2019-11-23 21:12:36,713 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 21:12:36,714 INFO L276 IsEmpty]: Start isEmpty. Operand 3742 states and 3990 transitions. [2019-11-23 21:12:36,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 964 [2019-11-23 21:12:36,726 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:12:36,727 INFO L410 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 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, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 21:12:36,727 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:12:36,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:12:36,728 INFO L82 PathProgramCache]: Analyzing trace with hash -1647123312, now seen corresponding path program 1 times [2019-11-23 21:12:36,728 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:12:36,728 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277203478] [2019-11-23 21:12:36,729 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:12:36,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:12:38,460 INFO L134 CoverageAnalysis]: Checked inductivity of 2578 backedges. 1790 proven. 0 refuted. 0 times theorem prover too weak. 788 trivial. 0 not checked. [2019-11-23 21:12:38,461 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277203478] [2019-11-23 21:12:38,461 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 21:12:38,461 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-23 21:12:38,462 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360710862] [2019-11-23 21:12:38,463 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-23 21:12:38,463 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:12:38,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-23 21:12:38,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-23 21:12:38,463 INFO L87 Difference]: Start difference. First operand 3742 states and 3990 transitions. Second operand 6 states. [2019-11-23 21:12:39,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:12:39,784 INFO L93 Difference]: Finished difference Result 8215 states and 8732 transitions. [2019-11-23 21:12:39,785 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-23 21:12:39,785 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 963 [2019-11-23 21:12:39,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:12:39,805 INFO L225 Difference]: With dead ends: 8215 [2019-11-23 21:12:39,805 INFO L226 Difference]: Without dead ends: 4653 [2019-11-23 21:12:39,810 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2019-11-23 21:12:39,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4653 states. [2019-11-23 21:12:39,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4653 to 3742. [2019-11-23 21:12:39,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3742 states. [2019-11-23 21:12:39,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3742 states to 3742 states and 3990 transitions. [2019-11-23 21:12:39,880 INFO L78 Accepts]: Start accepts. Automaton has 3742 states and 3990 transitions. Word has length 963 [2019-11-23 21:12:39,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:12:39,881 INFO L462 AbstractCegarLoop]: Abstraction has 3742 states and 3990 transitions. [2019-11-23 21:12:39,881 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-23 21:12:39,881 INFO L276 IsEmpty]: Start isEmpty. Operand 3742 states and 3990 transitions. [2019-11-23 21:12:39,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 971 [2019-11-23 21:12:39,895 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:12:39,896 INFO L410 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 21:12:39,896 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:12:39,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:12:39,897 INFO L82 PathProgramCache]: Analyzing trace with hash -375242345, now seen corresponding path program 1 times [2019-11-23 21:12:39,897 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:12:39,897 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118514204] [2019-11-23 21:12:39,898 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:12:39,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:12:42,036 INFO L134 CoverageAnalysis]: Checked inductivity of 2599 backedges. 1811 proven. 0 refuted. 0 times theorem prover too weak. 788 trivial. 0 not checked. [2019-11-23 21:12:42,036 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118514204] [2019-11-23 21:12:42,037 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 21:12:42,037 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-23 21:12:42,037 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965955777] [2019-11-23 21:12:42,038 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-23 21:12:42,038 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:12:42,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-23 21:12:42,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-11-23 21:12:42,039 INFO L87 Difference]: Start difference. First operand 3742 states and 3990 transitions. Second operand 7 states. [2019-11-23 21:12:43,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:12:43,384 INFO L93 Difference]: Finished difference Result 8197 states and 8710 transitions. [2019-11-23 21:12:43,385 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-23 21:12:43,385 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 970 [2019-11-23 21:12:43,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:12:43,405 INFO L225 Difference]: With dead ends: 8197 [2019-11-23 21:12:43,405 INFO L226 Difference]: Without dead ends: 4457 [2019-11-23 21:12:43,410 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2019-11-23 21:12:43,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4457 states. [2019-11-23 21:12:43,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4457 to 3920. [2019-11-23 21:12:43,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3920 states. [2019-11-23 21:12:43,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3920 states to 3920 states and 4170 transitions. [2019-11-23 21:12:43,475 INFO L78 Accepts]: Start accepts. Automaton has 3920 states and 4170 transitions. Word has length 970 [2019-11-23 21:12:43,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:12:43,476 INFO L462 AbstractCegarLoop]: Abstraction has 3920 states and 4170 transitions. [2019-11-23 21:12:43,477 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-23 21:12:43,477 INFO L276 IsEmpty]: Start isEmpty. Operand 3920 states and 4170 transitions. [2019-11-23 21:12:43,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1039 [2019-11-23 21:12:43,491 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:12:43,492 INFO L410 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 21:12:43,492 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:12:43,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:12:43,492 INFO L82 PathProgramCache]: Analyzing trace with hash -1361968991, now seen corresponding path program 1 times [2019-11-23 21:12:43,493 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:12:43,493 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232857419] [2019-11-23 21:12:43,493 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:12:43,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:12:45,381 INFO L134 CoverageAnalysis]: Checked inductivity of 2928 backedges. 1143 proven. 617 refuted. 0 times theorem prover too weak. 1168 trivial. 0 not checked. [2019-11-23 21:12:45,381 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232857419] [2019-11-23 21:12:45,381 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1779709420] [2019-11-23 21:12:45,381 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 21:12:45,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:12:45,623 INFO L255 TraceCheckSpWp]: Trace formula consists of 1237 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-23 21:12:45,632 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-23 21:12:46,132 INFO L134 CoverageAnalysis]: Checked inductivity of 2928 backedges. 370 proven. 0 refuted. 0 times theorem prover too weak. 2558 trivial. 0 not checked. [2019-11-23 21:12:46,133 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-23 21:12:46,133 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2019-11-23 21:12:46,133 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939908824] [2019-11-23 21:12:46,137 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-23 21:12:46,137 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:12:46,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-23 21:12:46,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-11-23 21:12:46,138 INFO L87 Difference]: Start difference. First operand 3920 states and 4170 transitions. Second operand 3 states. [2019-11-23 21:12:46,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:12:46,750 INFO L93 Difference]: Finished difference Result 4454 states and 4735 transitions. [2019-11-23 21:12:46,750 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-23 21:12:46,750 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1038 [2019-11-23 21:12:46,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:12:46,753 INFO L225 Difference]: With dead ends: 4454 [2019-11-23 21:12:46,753 INFO L226 Difference]: Without dead ends: 0 [2019-11-23 21:12:46,757 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 1042 GetRequests, 1037 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-11-23 21:12:46,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-23 21:12:46,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-23 21:12:46,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-23 21:12:46,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-23 21:12:46,758 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1038 [2019-11-23 21:12:46,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:12:46,759 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-23 21:12:46,759 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-23 21:12:46,759 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-23 21:12:46,759 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-23 21:12:46,963 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 21:12:46,969 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-23 21:12:47,483 WARN L192 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 33 [2019-11-23 21:12:47,766 WARN L192 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 33 [2019-11-23 21:12:47,770 INFO L444 ceAbstractionStarter]: For program point L432(lines 432 870) no Hoare annotation was computed. [2019-11-23 21:12:47,771 INFO L444 ceAbstractionStarter]: For program point L366(lines 366 870) no Hoare annotation was computed. [2019-11-23 21:12:47,771 INFO L444 ceAbstractionStarter]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:47,771 INFO L444 ceAbstractionStarter]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:47,771 INFO L444 ceAbstractionStarter]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:47,771 INFO L444 ceAbstractionStarter]: For program point L235(lines 235 870) no Hoare annotation was computed. [2019-11-23 21:12:47,771 INFO L444 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2019-11-23 21:12:47,771 INFO L444 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2019-11-23 21:12:47,771 INFO L444 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2019-11-23 21:12:47,771 INFO L444 ceAbstractionStarter]: For program point L764(lines 764 870) no Hoare annotation was computed. [2019-11-23 21:12:47,772 INFO L444 ceAbstractionStarter]: For program point L632(lines 632 870) no Hoare annotation was computed. [2019-11-23 21:12:47,772 INFO L444 ceAbstractionStarter]: For program point L500(lines 500 870) no Hoare annotation was computed. [2019-11-23 21:12:47,772 INFO L444 ceAbstractionStarter]: For program point L831(lines 831 870) no Hoare annotation was computed. [2019-11-23 21:12:47,772 INFO L444 ceAbstractionStarter]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:47,772 INFO L444 ceAbstractionStarter]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:47,772 INFO L444 ceAbstractionStarter]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:47,772 INFO L444 ceAbstractionStarter]: For program point L700(lines 700 870) no Hoare annotation was computed. [2019-11-23 21:12:47,772 INFO L444 ceAbstractionStarter]: For program point L568(lines 568 870) no Hoare annotation was computed. [2019-11-23 21:12:47,772 INFO L444 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2019-11-23 21:12:47,773 INFO L444 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2019-11-23 21:12:47,773 INFO L444 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2019-11-23 21:12:47,773 INFO L444 ceAbstractionStarter]: For program point L305(lines 305 870) no Hoare annotation was computed. [2019-11-23 21:12:47,773 INFO L444 ceAbstractionStarter]: For program point L438(lines 438 870) no Hoare annotation was computed. [2019-11-23 21:12:47,773 INFO L444 ceAbstractionStarter]: For program point L372(lines 372 870) no Hoare annotation was computed. [2019-11-23 21:12:47,773 INFO L444 ceAbstractionStarter]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:47,773 INFO L444 ceAbstractionStarter]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:47,773 INFO L444 ceAbstractionStarter]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:47,773 INFO L444 ceAbstractionStarter]: For program point L241(lines 241 870) no Hoare annotation was computed. [2019-11-23 21:12:47,773 INFO L444 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-11-23 21:12:47,774 INFO L444 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2019-11-23 21:12:47,774 INFO L444 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2019-11-23 21:12:47,774 INFO L444 ceAbstractionStarter]: For program point L638(lines 638 870) no Hoare annotation was computed. [2019-11-23 21:12:47,774 INFO L444 ceAbstractionStarter]: For program point L506(lines 506 870) no Hoare annotation was computed. [2019-11-23 21:12:47,774 INFO L444 ceAbstractionStarter]: For program point L837(lines 837 870) no Hoare annotation was computed. [2019-11-23 21:12:47,774 INFO L444 ceAbstractionStarter]: For program point L771(lines 771 870) no Hoare annotation was computed. [2019-11-23 21:12:47,774 INFO L444 ceAbstractionStarter]: For program point L573(lines 573 870) no Hoare annotation was computed. [2019-11-23 21:12:47,774 INFO L444 ceAbstractionStarter]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:47,774 INFO L444 ceAbstractionStarter]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:47,775 INFO L444 ceAbstractionStarter]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:47,775 INFO L444 ceAbstractionStarter]: For program point L706(lines 706 870) no Hoare annotation was computed. [2019-11-23 21:12:47,775 INFO L444 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2019-11-23 21:12:47,775 INFO L444 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2019-11-23 21:12:47,775 INFO L444 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2019-11-23 21:12:47,775 INFO L444 ceAbstractionStarter]: For program point L311(lines 311 870) no Hoare annotation was computed. [2019-11-23 21:12:47,775 INFO L444 ceAbstractionStarter]: For program point L444(lines 444 870) no Hoare annotation was computed. [2019-11-23 21:12:47,775 INFO L444 ceAbstractionStarter]: For program point L378(lines 378 870) no Hoare annotation was computed. [2019-11-23 21:12:47,776 INFO L444 ceAbstractionStarter]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:47,776 INFO L444 ceAbstractionStarter]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:47,776 INFO L444 ceAbstractionStarter]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:47,776 INFO L444 ceAbstractionStarter]: For program point L247(lines 247 870) no Hoare annotation was computed. [2019-11-23 21:12:47,776 INFO L444 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2019-11-23 21:12:47,776 INFO L444 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2019-11-23 21:12:47,776 INFO L444 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2019-11-23 21:12:47,776 INFO L444 ceAbstractionStarter]: For program point L842(lines 842 870) no Hoare annotation was computed. [2019-11-23 21:12:47,776 INFO L444 ceAbstractionStarter]: For program point L644(lines 644 870) no Hoare annotation was computed. [2019-11-23 21:12:47,777 INFO L444 ceAbstractionStarter]: For program point L512(lines 512 870) no Hoare annotation was computed. [2019-11-23 21:12:47,777 INFO L444 ceAbstractionStarter]: For program point L777(lines 777 870) no Hoare annotation was computed. [2019-11-23 21:12:47,777 INFO L444 ceAbstractionStarter]: For program point L579(lines 579 870) no Hoare annotation was computed. [2019-11-23 21:12:47,777 INFO L444 ceAbstractionStarter]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:47,777 INFO L444 ceAbstractionStarter]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:47,777 INFO L444 ceAbstractionStarter]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:47,777 INFO L444 ceAbstractionStarter]: For program point L712(lines 712 870) no Hoare annotation was computed. [2019-11-23 21:12:47,777 INFO L444 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2019-11-23 21:12:47,777 INFO L444 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-11-23 21:12:47,778 INFO L444 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2019-11-23 21:12:47,778 INFO L444 ceAbstractionStarter]: For program point L449(lines 449 870) no Hoare annotation was computed. [2019-11-23 21:12:47,778 INFO L444 ceAbstractionStarter]: For program point L317(lines 317 870) no Hoare annotation was computed. [2019-11-23 21:12:47,778 INFO L444 ceAbstractionStarter]: For program point L384(lines 384 870) no Hoare annotation was computed. [2019-11-23 21:12:47,778 INFO L444 ceAbstractionStarter]: For program point L252(lines 252 870) no Hoare annotation was computed. [2019-11-23 21:12:47,778 INFO L444 ceAbstractionStarter]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:47,778 INFO L444 ceAbstractionStarter]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:47,778 INFO L444 ceAbstractionStarter]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:47,778 INFO L444 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2019-11-23 21:12:47,779 INFO L444 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2019-11-23 21:12:47,779 INFO L444 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2019-11-23 21:12:47,779 INFO L444 ceAbstractionStarter]: For program point L848(lines 848 870) no Hoare annotation was computed. [2019-11-23 21:12:47,779 INFO L444 ceAbstractionStarter]: For program point L650(lines 650 870) no Hoare annotation was computed. [2019-11-23 21:12:47,779 INFO L444 ceAbstractionStarter]: For program point L518(lines 518 870) no Hoare annotation was computed. [2019-11-23 21:12:47,779 INFO L444 ceAbstractionStarter]: For program point L783(lines 783 870) no Hoare annotation was computed. [2019-11-23 21:12:47,779 INFO L444 ceAbstractionStarter]: For program point L585(lines 585 870) no Hoare annotation was computed. [2019-11-23 21:12:47,779 INFO L444 ceAbstractionStarter]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:47,779 INFO L444 ceAbstractionStarter]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:47,780 INFO L444 ceAbstractionStarter]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:47,780 INFO L444 ceAbstractionStarter]: For program point L718(lines 718 870) no Hoare annotation was computed. [2019-11-23 21:12:47,780 INFO L444 ceAbstractionStarter]: For program point L454(lines 454 870) no Hoare annotation was computed. [2019-11-23 21:12:47,780 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-23 21:12:47,780 INFO L444 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2019-11-23 21:12:47,780 INFO L444 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2019-11-23 21:12:47,780 INFO L444 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2019-11-23 21:12:47,780 INFO L444 ceAbstractionStarter]: For program point L323(lines 323 870) no Hoare annotation was computed. [2019-11-23 21:12:47,780 INFO L444 ceAbstractionStarter]: For program point L390(lines 390 870) no Hoare annotation was computed. [2019-11-23 21:12:47,781 INFO L444 ceAbstractionStarter]: For program point L258(lines 258 870) no Hoare annotation was computed. [2019-11-23 21:12:47,781 INFO L444 ceAbstractionStarter]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:47,781 INFO L444 ceAbstractionStarter]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:47,781 INFO L444 ceAbstractionStarter]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:47,781 INFO L444 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-11-23 21:12:47,781 INFO L444 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2019-11-23 21:12:47,781 INFO L444 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2019-11-23 21:12:47,781 INFO L444 ceAbstractionStarter]: For program point L854(lines 854 870) no Hoare annotation was computed. [2019-11-23 21:12:47,781 INFO L444 ceAbstractionStarter]: For program point L656(lines 656 870) no Hoare annotation was computed. [2019-11-23 21:12:47,781 INFO L444 ceAbstractionStarter]: For program point L524(lines 524 870) no Hoare annotation was computed. [2019-11-23 21:12:47,782 INFO L444 ceAbstractionStarter]: For program point L789(lines 789 870) no Hoare annotation was computed. [2019-11-23 21:12:47,782 INFO L444 ceAbstractionStarter]: For program point L591(lines 591 870) no Hoare annotation was computed. [2019-11-23 21:12:47,782 INFO L444 ceAbstractionStarter]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:47,782 INFO L444 ceAbstractionStarter]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:47,782 INFO L444 ceAbstractionStarter]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:47,782 INFO L444 ceAbstractionStarter]: For program point L724(lines 724 870) no Hoare annotation was computed. [2019-11-23 21:12:47,782 INFO L444 ceAbstractionStarter]: For program point L460(lines 460 870) no Hoare annotation was computed. [2019-11-23 21:12:47,782 INFO L444 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2019-11-23 21:12:47,782 INFO L444 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2019-11-23 21:12:47,783 INFO L444 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2019-11-23 21:12:47,783 INFO L444 ceAbstractionStarter]: For program point L329(lines 329 870) no Hoare annotation was computed. [2019-11-23 21:12:47,783 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-23 21:12:47,783 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 169) no Hoare annotation was computed. [2019-11-23 21:12:47,783 INFO L444 ceAbstractionStarter]: For program point L396(lines 396 870) no Hoare annotation was computed. [2019-11-23 21:12:47,783 INFO L444 ceAbstractionStarter]: For program point L264(lines 264 870) no Hoare annotation was computed. [2019-11-23 21:12:47,783 INFO L444 ceAbstractionStarter]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:47,783 INFO L444 ceAbstractionStarter]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:47,783 INFO L444 ceAbstractionStarter]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:47,784 INFO L444 ceAbstractionStarter]: For program point L859(lines 859 870) no Hoare annotation was computed. [2019-11-23 21:12:47,784 INFO L444 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2019-11-23 21:12:47,784 INFO L444 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2019-11-23 21:12:47,784 INFO L444 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2019-11-23 21:12:47,784 INFO L444 ceAbstractionStarter]: For program point L662(lines 662 870) no Hoare annotation was computed. [2019-11-23 21:12:47,784 INFO L444 ceAbstractionStarter]: For program point L530(lines 530 870) no Hoare annotation was computed. [2019-11-23 21:12:47,784 INFO L444 ceAbstractionStarter]: For program point L795(lines 795 870) no Hoare annotation was computed. [2019-11-23 21:12:47,784 INFO L444 ceAbstractionStarter]: For program point L597(lines 597 870) no Hoare annotation was computed. [2019-11-23 21:12:47,784 INFO L444 ceAbstractionStarter]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:47,784 INFO L444 ceAbstractionStarter]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:47,785 INFO L444 ceAbstractionStarter]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:47,785 INFO L444 ceAbstractionStarter]: For program point L730(lines 730 870) no Hoare annotation was computed. [2019-11-23 21:12:47,785 INFO L444 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-11-23 21:12:47,785 INFO L444 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2019-11-23 21:12:47,785 INFO L444 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2019-11-23 21:12:47,785 INFO L444 ceAbstractionStarter]: For program point L467(lines 467 870) no Hoare annotation was computed. [2019-11-23 21:12:47,785 INFO L444 ceAbstractionStarter]: For program point L335(lines 335 870) no Hoare annotation was computed. [2019-11-23 21:12:47,785 INFO L444 ceAbstractionStarter]: For program point L269(lines 269 870) no Hoare annotation was computed. [2019-11-23 21:12:47,785 INFO L444 ceAbstractionStarter]: For program point L402(lines 402 870) no Hoare annotation was computed. [2019-11-23 21:12:47,785 INFO L444 ceAbstractionStarter]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:47,786 INFO L444 ceAbstractionStarter]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:47,786 INFO L444 ceAbstractionStarter]: For program point L865(lines 865 870) no Hoare annotation was computed. [2019-11-23 21:12:47,786 INFO L444 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2019-11-23 21:12:47,786 INFO L444 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2019-11-23 21:12:47,786 INFO L444 ceAbstractionStarter]: For program point L668(lines 668 870) no Hoare annotation was computed. [2019-11-23 21:12:47,786 INFO L444 ceAbstractionStarter]: For program point L536(lines 536 870) no Hoare annotation was computed. [2019-11-23 21:12:47,786 INFO L444 ceAbstractionStarter]: For program point L801(lines 801 870) no Hoare annotation was computed. [2019-11-23 21:12:47,786 INFO L444 ceAbstractionStarter]: For program point L735(lines 735 870) no Hoare annotation was computed. [2019-11-23 21:12:47,786 INFO L444 ceAbstractionStarter]: For program point L603(lines 603 870) no Hoare annotation was computed. [2019-11-23 21:12:47,786 INFO L444 ceAbstractionStarter]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:47,787 INFO L444 ceAbstractionStarter]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:47,787 INFO L444 ceAbstractionStarter]: For program point L472(lines 472 870) no Hoare annotation was computed. [2019-11-23 21:12:47,787 INFO L444 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2019-11-23 21:12:47,787 INFO L444 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2019-11-23 21:12:47,787 INFO L444 ceAbstractionStarter]: For program point L341(lines 341 870) no Hoare annotation was computed. [2019-11-23 21:12:47,787 INFO L444 ceAbstractionStarter]: For program point L275(lines 275 870) no Hoare annotation was computed. [2019-11-23 21:12:47,787 INFO L444 ceAbstractionStarter]: For program point L408(lines 408 870) no Hoare annotation was computed. [2019-11-23 21:12:47,787 INFO L444 ceAbstractionStarter]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:47,787 INFO L444 ceAbstractionStarter]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:47,788 INFO L440 ceAbstractionStarter]: At program point L871(lines 20 872) the Hoare annotation is: (let ((.cse1 (= ~a24~0 1))) (let ((.cse2 (not (= ~a21~0 9))) (.cse0 (let ((.cse3 (<= ~a15~0 5))) (or (and .cse1 .cse3) (and .cse3 (<= (+ ~a12~0 49) 0)))))) (or (and .cse0 .cse1) (and .cse1 (or (<= ~a12~0 11) (< 80 ~a12~0))) (and (<= 7 ~a15~0) .cse1 (<= ~a15~0 8)) (and .cse2 .cse1) (and .cse2 .cse0)))) [2019-11-23 21:12:47,788 INFO L444 ceAbstractionStarter]: For program point L541(lines 541 870) no Hoare annotation was computed. [2019-11-23 21:12:47,788 INFO L444 ceAbstractionStarter]: For program point L211(lines 211 870) no Hoare annotation was computed. [2019-11-23 21:12:47,788 INFO L444 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2019-11-23 21:12:47,788 INFO L444 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2019-11-23 21:12:47,788 INFO L444 ceAbstractionStarter]: For program point L674(lines 674 870) no Hoare annotation was computed. [2019-11-23 21:12:47,789 INFO L444 ceAbstractionStarter]: For program point L807(lines 807 870) no Hoare annotation was computed. [2019-11-23 21:12:47,789 INFO L444 ceAbstractionStarter]: For program point L741(lines 741 870) no Hoare annotation was computed. [2019-11-23 21:12:47,789 INFO L444 ceAbstractionStarter]: For program point L609(lines 609 870) no Hoare annotation was computed. [2019-11-23 21:12:47,789 INFO L444 ceAbstractionStarter]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:47,789 INFO L444 ceAbstractionStarter]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:47,789 INFO L447 ceAbstractionStarter]: At program point L874(lines 874 890) the Hoare annotation is: true [2019-11-23 21:12:47,789 INFO L444 ceAbstractionStarter]: For program point L478(lines 478 870) no Hoare annotation was computed. [2019-11-23 21:12:47,789 INFO L444 ceAbstractionStarter]: For program point L280(lines 280 870) no Hoare annotation was computed. [2019-11-23 21:12:47,789 INFO L444 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2019-11-23 21:12:47,790 INFO L444 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-11-23 21:12:47,790 INFO L444 ceAbstractionStarter]: For program point L677(lines 677 870) no Hoare annotation was computed. [2019-11-23 21:12:47,790 INFO L444 ceAbstractionStarter]: For program point L347(lines 347 870) no Hoare annotation was computed. [2019-11-23 21:12:47,790 INFO L444 ceAbstractionStarter]: For program point L414(lines 414 870) no Hoare annotation was computed. [2019-11-23 21:12:47,790 INFO L444 ceAbstractionStarter]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:47,790 INFO L444 ceAbstractionStarter]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:47,790 INFO L444 ceAbstractionStarter]: For program point L547(lines 547 870) no Hoare annotation was computed. [2019-11-23 21:12:47,790 INFO L444 ceAbstractionStarter]: For program point L217(lines 217 870) no Hoare annotation was computed. [2019-11-23 21:12:47,790 INFO L444 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2019-11-23 21:12:47,790 INFO L444 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-11-23 21:12:47,791 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-23 21:12:47,791 INFO L444 ceAbstractionStarter]: For program point L747(lines 747 870) no Hoare annotation was computed. [2019-11-23 21:12:47,791 INFO L444 ceAbstractionStarter]: For program point L615(lines 615 870) no Hoare annotation was computed. [2019-11-23 21:12:47,791 INFO L444 ceAbstractionStarter]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:47,791 INFO L444 ceAbstractionStarter]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:47,791 INFO L444 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2019-11-23 21:12:47,791 INFO L444 ceAbstractionStarter]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:47,791 INFO L444 ceAbstractionStarter]: For program point L814(lines 814 870) no Hoare annotation was computed. [2019-11-23 21:12:47,792 INFO L440 ceAbstractionStarter]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse1 (= ~a24~0 1))) (let ((.cse2 (not (= ~a21~0 9))) (.cse0 (let ((.cse3 (<= ~a15~0 5))) (or (and .cse1 .cse3) (and .cse3 (<= (+ ~a12~0 49) 0)))))) (or (and .cse0 .cse1) (and .cse1 (or (<= ~a12~0 11) (< 80 ~a12~0))) (and (<= 7 ~a15~0) .cse1 (<= ~a15~0 8)) (and .cse2 .cse1) (and .cse2 .cse0)))) [2019-11-23 21:12:47,792 INFO L444 ceAbstractionStarter]: For program point L484(lines 484 870) no Hoare annotation was computed. [2019-11-23 21:12:47,792 INFO L444 ceAbstractionStarter]: For program point L286(lines 286 870) no Hoare annotation was computed. [2019-11-23 21:12:47,792 INFO L444 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2019-11-23 21:12:47,792 INFO L444 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-11-23 21:12:47,792 INFO L444 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2019-11-23 21:12:47,792 INFO L444 ceAbstractionStarter]: For program point L683(lines 683 870) no Hoare annotation was computed. [2019-11-23 21:12:47,792 INFO L444 ceAbstractionStarter]: For program point L353(lines 353 870) no Hoare annotation was computed. [2019-11-23 21:12:47,792 INFO L444 ceAbstractionStarter]: For program point L552(lines 552 870) no Hoare annotation was computed. [2019-11-23 21:12:47,792 INFO L444 ceAbstractionStarter]: For program point L420(lines 420 870) no Hoare annotation was computed. [2019-11-23 21:12:47,793 INFO L444 ceAbstractionStarter]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:47,793 INFO L444 ceAbstractionStarter]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:47,793 INFO L444 ceAbstractionStarter]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:47,793 INFO L444 ceAbstractionStarter]: For program point L223(lines 223 870) no Hoare annotation was computed. [2019-11-23 21:12:47,793 INFO L444 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2019-11-23 21:12:47,793 INFO L444 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-11-23 21:12:47,793 INFO L444 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2019-11-23 21:12:47,793 INFO L444 ceAbstractionStarter]: For program point L752(lines 752 870) no Hoare annotation was computed. [2019-11-23 21:12:47,793 INFO L444 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2019-11-23 21:12:47,793 INFO L444 ceAbstractionStarter]: For program point L819(lines 819 870) no Hoare annotation was computed. [2019-11-23 21:12:47,794 INFO L444 ceAbstractionStarter]: For program point L621(lines 621 870) no Hoare annotation was computed. [2019-11-23 21:12:47,794 INFO L444 ceAbstractionStarter]: For program point L555(lines 555 870) no Hoare annotation was computed. [2019-11-23 21:12:47,794 INFO L444 ceAbstractionStarter]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:47,794 INFO L444 ceAbstractionStarter]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:47,794 INFO L444 ceAbstractionStarter]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:47,794 INFO L444 ceAbstractionStarter]: For program point L688(lines 688 870) no Hoare annotation was computed. [2019-11-23 21:12:47,794 INFO L444 ceAbstractionStarter]: For program point L490(lines 490 870) no Hoare annotation was computed. [2019-11-23 21:12:47,794 INFO L444 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2019-11-23 21:12:47,794 INFO L444 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2019-11-23 21:12:47,794 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-23 21:12:47,795 INFO L444 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2019-11-23 21:12:47,795 INFO L444 ceAbstractionStarter]: For program point L359(lines 359 870) no Hoare annotation was computed. [2019-11-23 21:12:47,795 INFO L444 ceAbstractionStarter]: For program point L293(lines 293 870) no Hoare annotation was computed. [2019-11-23 21:12:47,795 INFO L444 ceAbstractionStarter]: For program point L426(lines 426 870) no Hoare annotation was computed. [2019-11-23 21:12:47,795 INFO L444 ceAbstractionStarter]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:47,795 INFO L444 ceAbstractionStarter]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:47,795 INFO L444 ceAbstractionStarter]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:47,795 INFO L444 ceAbstractionStarter]: For program point L229(lines 229 870) no Hoare annotation was computed. [2019-11-23 21:12:47,795 INFO L444 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2019-11-23 21:12:47,795 INFO L444 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2019-11-23 21:12:47,796 INFO L444 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2019-11-23 21:12:47,796 INFO L444 ceAbstractionStarter]: For program point L758(lines 758 870) no Hoare annotation was computed. [2019-11-23 21:12:47,796 INFO L444 ceAbstractionStarter]: For program point L626(lines 626 870) no Hoare annotation was computed. [2019-11-23 21:12:47,796 INFO L444 ceAbstractionStarter]: For program point L825(lines 825 870) no Hoare annotation was computed. [2019-11-23 21:12:47,796 INFO L444 ceAbstractionStarter]: For program point L561(lines 561 870) no Hoare annotation was computed. [2019-11-23 21:12:47,796 INFO L444 ceAbstractionStarter]: For program point L495(lines 495 870) no Hoare annotation was computed. [2019-11-23 21:12:47,796 INFO L444 ceAbstractionStarter]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:47,796 INFO L444 ceAbstractionStarter]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:47,796 INFO L444 ceAbstractionStarter]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:47,796 INFO L444 ceAbstractionStarter]: For program point L694(lines 694 870) no Hoare annotation was computed. [2019-11-23 21:12:47,797 INFO L444 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2019-11-23 21:12:47,797 INFO L444 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2019-11-23 21:12:47,797 INFO L444 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2019-11-23 21:12:47,797 INFO L444 ceAbstractionStarter]: For program point L299(lines 299 870) no Hoare annotation was computed. [2019-11-23 21:12:47,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:12:47 BoogieIcfgContainer [2019-11-23 21:12:47,819 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-23 21:12:47,821 INFO L168 Benchmark]: Toolchain (without parser) took 33005.83 ms. Allocated memory was 145.2 MB in the beginning and 1.2 GB in the end (delta: 1.1 GB). Free memory was 100.9 MB in the beginning and 805.5 MB in the end (delta: -704.6 MB). Peak memory consumption was 368.7 MB. Max. memory is 7.1 GB. [2019-11-23 21:12:47,823 INFO L168 Benchmark]: CDTParser took 0.49 ms. Allocated memory is still 145.2 MB. Free memory is still 121.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-11-23 21:12:47,824 INFO L168 Benchmark]: CACSL2BoogieTranslator took 811.31 ms. Allocated memory was 145.2 MB in the beginning and 204.5 MB in the end (delta: 59.2 MB). Free memory was 100.5 MB in the beginning and 163.3 MB in the end (delta: -62.7 MB). Peak memory consumption was 30.5 MB. Max. memory is 7.1 GB. [2019-11-23 21:12:47,825 INFO L168 Benchmark]: Boogie Procedure Inliner took 113.25 ms. Allocated memory is still 204.5 MB. Free memory was 163.3 MB in the beginning and 153.3 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2019-11-23 21:12:47,826 INFO L168 Benchmark]: Boogie Preprocessor took 112.91 ms. Allocated memory is still 204.5 MB. Free memory was 153.3 MB in the beginning and 146.4 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 7.1 GB. [2019-11-23 21:12:47,830 INFO L168 Benchmark]: RCFGBuilder took 1431.43 ms. Allocated memory was 204.5 MB in the beginning and 238.0 MB in the end (delta: 33.6 MB). Free memory was 146.4 MB in the beginning and 134.1 MB in the end (delta: 12.2 MB). Peak memory consumption was 68.1 MB. Max. memory is 7.1 GB. [2019-11-23 21:12:47,831 INFO L168 Benchmark]: TraceAbstraction took 30532.26 ms. Allocated memory was 238.0 MB in the beginning and 1.2 GB in the end (delta: 980.4 MB). Free memory was 132.4 MB in the beginning and 805.5 MB in the end (delta: -673.1 MB). Peak memory consumption was 307.3 MB. Max. memory is 7.1 GB. [2019-11-23 21:12:47,839 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49 ms. Allocated memory is still 145.2 MB. Free memory is still 121.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 811.31 ms. Allocated memory was 145.2 MB in the beginning and 204.5 MB in the end (delta: 59.2 MB). Free memory was 100.5 MB in the beginning and 163.3 MB in the end (delta: -62.7 MB). Peak memory consumption was 30.5 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 113.25 ms. Allocated memory is still 204.5 MB. Free memory was 163.3 MB in the beginning and 153.3 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 112.91 ms. Allocated memory is still 204.5 MB. Free memory was 153.3 MB in the beginning and 146.4 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1431.43 ms. Allocated memory was 204.5 MB in the beginning and 238.0 MB in the end (delta: 33.6 MB). Free memory was 146.4 MB in the beginning and 134.1 MB in the end (delta: 12.2 MB). Peak memory consumption was 68.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 30532.26 ms. Allocated memory was 238.0 MB in the beginning and 1.2 GB in the end (delta: 980.4 MB). Free memory was 132.4 MB in the beginning and 805.5 MB in the end (delta: -673.1 MB). Peak memory consumption was 307.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 169]: 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: 880]: Loop Invariant Derived loop invariant: ((((((a24 == 1 && a15 <= 5) || (a15 <= 5 && a12 + 49 <= 0)) && a24 == 1) || (a24 == 1 && (a12 <= 11 || 80 < a12))) || ((7 <= a15 && a24 == 1) && a15 <= 8)) || (!(a21 == 9) && a24 == 1)) || (!(a21 == 9) && ((a24 == 1 && a15 <= 5) || (a15 <= 5 && a12 + 49 <= 0))) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((((((a24 == 1 && a15 <= 5) || (a15 <= 5 && a12 + 49 <= 0)) && a24 == 1) || (a24 == 1 && (a12 <= 11 || 80 < a12))) || ((7 <= a15 && a24 == 1) && a15 <= 8)) || (!(a21 == 9) && a24 == 1)) || (!(a21 == 9) && ((a24 == 1 && a15 <= 5) || (a15 <= 5 && a12 + 49 <= 0))) - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 245 locations, 1 error locations. Result: SAFE, OverallTime: 30.4s, OverallIterations: 11, TraceHistogramMax: 8, AutomataDifference: 15.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, HoareTripleCheckerStatistics: 833 SDtfs, 5074 SDslu, 161 SDs, 0 SdLazy, 11030 SolverSat, 1237 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2462 GetRequests, 2396 SyntacticMatches, 5 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3920occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 11 MinimizatonAttempts, 2881 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 74 NumberOfFragments, 147 HoareAnnotationTreeSize, 3 FomulaSimplifications, 3590 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 4320 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 7902 NumberOfCodeBlocks, 7902 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 7886 ConstructedInterpolants, 0 QuantifiedInterpolants, 24403440 SizeOfPredicates, 11 NumberOfNonLiveVariables, 2997 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 16 InterpolantComputations, 10 PerfectInterpolantSequences, 15433/16227 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...