/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/Problem03_label48.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-23 20:57:02,364 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-23 20:57:02,367 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-23 20:57:02,384 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-11-23 20:57:02,449 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-23 20:57:02,467 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-23 20:57:02,468 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-23 20:57:02,470 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-23 20:57:02,470 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-23 20:57:02,470 INFO L138 SettingsManager]: * Use SBE=true [2019-11-23 20:57:02,470 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-23 20:57:02,470 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-23 20:57:02,471 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-23 20:57:02,471 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-23 20:57:02,471 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-23 20:57:02,472 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-23 20:57:02,472 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-23 20:57:02,472 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-23 20:57:02,473 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-23 20:57:02,473 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-23 20:57:02,473 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-23 20:57:02,473 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-23 20:57:02,474 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-23 20:57:02,474 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-23 20:57:02,474 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-23 20:57:02,474 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-23 20:57:02,475 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-23 20:57:02,475 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-23 20:57:02,475 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-23 20:57:02,475 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-23 20:57:02,476 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-23 20:57:02,476 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-23 20:57:02,476 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-23 20:57:02,476 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-23 20:57:02,476 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-23 20:57:02,751 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-23 20:57:02,766 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-23 20:57:02,770 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-23 20:57:02,772 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-23 20:57:02,772 INFO L275 PluginConnector]: CDTParser initialized [2019-11-23 20:57:02,773 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem03_label48.c [2019-11-23 20:57:02,845 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5167f1c1c/0d898f2ba4ba4655b2988f89e375b8a9/FLAG12bcc2f1b [2019-11-23 20:57:03,558 INFO L306 CDTParser]: Found 1 translation units. [2019-11-23 20:57:03,558 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem03_label48.c [2019-11-23 20:57:03,580 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5167f1c1c/0d898f2ba4ba4655b2988f89e375b8a9/FLAG12bcc2f1b [2019-11-23 20:57:03,712 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5167f1c1c/0d898f2ba4ba4655b2988f89e375b8a9 [2019-11-23 20:57:03,720 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-23 20:57:03,721 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-23 20:57:03,725 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-23 20:57:03,725 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-23 20:57:03,729 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-23 20:57:03,730 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:57:03" (1/1) ... [2019-11-23 20:57:03,733 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@92113f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:57:03, skipping insertion in model container [2019-11-23 20:57:03,733 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:57:03" (1/1) ... [2019-11-23 20:57:03,743 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-23 20:57:03,826 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-23 20:57:04,696 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 20:57:04,703 INFO L203 MainTranslator]: Completed pre-run [2019-11-23 20:57:05,010 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 20:57:05,035 INFO L208 MainTranslator]: Completed translation [2019-11-23 20:57:05,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:57:05 WrapperNode [2019-11-23 20:57:05,036 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-23 20:57:05,037 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-23 20:57:05,037 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-23 20:57:05,038 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-23 20:57:05,046 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:57:05" (1/1) ... [2019-11-23 20:57:05,089 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:57:05" (1/1) ... [2019-11-23 20:57:05,207 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-23 20:57:05,207 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-23 20:57:05,207 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-23 20:57:05,208 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-23 20:57:05,218 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:57:05" (1/1) ... [2019-11-23 20:57:05,218 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:57:05" (1/1) ... [2019-11-23 20:57:05,227 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:57:05" (1/1) ... [2019-11-23 20:57:05,228 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:57:05" (1/1) ... [2019-11-23 20:57:05,275 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:57:05" (1/1) ... [2019-11-23 20:57:05,305 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:57:05" (1/1) ... [2019-11-23 20:57:05,323 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:57:05" (1/1) ... [2019-11-23 20:57:05,338 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-23 20:57:05,339 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-23 20:57:05,339 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-23 20:57:05,339 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-23 20:57:05,340 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:57:05" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-23 20:57:05,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-23 20:57:05,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-23 20:57:07,405 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-23 20:57:07,406 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-23 20:57:07,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:57:07 BoogieIcfgContainer [2019-11-23 20:57:07,407 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-23 20:57:07,408 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-23 20:57:07,409 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-23 20:57:07,412 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-23 20:57:07,414 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:57:03" (1/3) ... [2019-11-23 20:57:07,415 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@364e22ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:57:07, skipping insertion in model container [2019-11-23 20:57:07,415 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:57:05" (2/3) ... [2019-11-23 20:57:07,415 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@364e22ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:57:07, skipping insertion in model container [2019-11-23 20:57:07,415 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:57:07" (3/3) ... [2019-11-23 20:57:07,417 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem03_label48.c [2019-11-23 20:57:07,427 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-23 20:57:07,437 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-23 20:57:07,448 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-23 20:57:07,490 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-23 20:57:07,490 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-23 20:57:07,490 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-23 20:57:07,490 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-23 20:57:07,490 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-23 20:57:07,491 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-23 20:57:07,491 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-23 20:57:07,491 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-23 20:57:07,523 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states. [2019-11-23 20:57:07,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2019-11-23 20:57:07,554 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 20:57:07,557 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 20:57:07,558 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 20:57:07,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 20:57:07,567 INFO L82 PathProgramCache]: Analyzing trace with hash -819677325, now seen corresponding path program 1 times [2019-11-23 20:57:07,580 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 20:57:07,581 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900341768] [2019-11-23 20:57:07,582 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 20:57:07,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 20:57:08,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 20:57:08,519 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900341768] [2019-11-23 20:57:08,520 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 20:57:08,520 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 20:57:08,522 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576978001] [2019-11-23 20:57:08,528 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 20:57:08,529 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 20:57:08,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 20:57:08,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 20:57:08,550 INFO L87 Difference]: Start difference. First operand 302 states. Second operand 4 states. [2019-11-23 20:57:10,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 20:57:10,729 INFO L93 Difference]: Finished difference Result 1075 states and 1929 transitions. [2019-11-23 20:57:10,729 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-23 20:57:10,731 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 183 [2019-11-23 20:57:10,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 20:57:10,765 INFO L225 Difference]: With dead ends: 1075 [2019-11-23 20:57:10,765 INFO L226 Difference]: Without dead ends: 677 [2019-11-23 20:57:10,773 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 20:57:10,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 677 states. [2019-11-23 20:57:10,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 677 to 451. [2019-11-23 20:57:10,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 451 states. [2019-11-23 20:57:10,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 700 transitions. [2019-11-23 20:57:10,870 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 700 transitions. Word has length 183 [2019-11-23 20:57:10,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 20:57:10,871 INFO L462 AbstractCegarLoop]: Abstraction has 451 states and 700 transitions. [2019-11-23 20:57:10,871 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 20:57:10,872 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 700 transitions. [2019-11-23 20:57:10,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2019-11-23 20:57:10,875 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 20:57:10,876 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 20:57:10,876 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 20:57:10,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 20:57:10,877 INFO L82 PathProgramCache]: Analyzing trace with hash 1598798580, now seen corresponding path program 1 times [2019-11-23 20:57:10,877 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 20:57:10,877 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250748202] [2019-11-23 20:57:10,878 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 20:57:10,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 20:57:10,996 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 20:57:10,997 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250748202] [2019-11-23 20:57:10,997 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 20:57:10,997 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-23 20:57:10,997 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719890446] [2019-11-23 20:57:10,999 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-23 20:57:11,000 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 20:57:11,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-23 20:57:11,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 20:57:11,000 INFO L87 Difference]: Start difference. First operand 451 states and 700 transitions. Second operand 3 states. [2019-11-23 20:57:12,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 20:57:12,312 INFO L93 Difference]: Finished difference Result 1323 states and 2069 transitions. [2019-11-23 20:57:12,313 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-23 20:57:12,313 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 191 [2019-11-23 20:57:12,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 20:57:12,318 INFO L225 Difference]: With dead ends: 1323 [2019-11-23 20:57:12,318 INFO L226 Difference]: Without dead ends: 874 [2019-11-23 20:57:12,321 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 20:57:12,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 874 states. [2019-11-23 20:57:12,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 874 to 859. [2019-11-23 20:57:12,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 859 states. [2019-11-23 20:57:12,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 859 states to 859 states and 1316 transitions. [2019-11-23 20:57:12,369 INFO L78 Accepts]: Start accepts. Automaton has 859 states and 1316 transitions. Word has length 191 [2019-11-23 20:57:12,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 20:57:12,369 INFO L462 AbstractCegarLoop]: Abstraction has 859 states and 1316 transitions. [2019-11-23 20:57:12,369 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-23 20:57:12,370 INFO L276 IsEmpty]: Start isEmpty. Operand 859 states and 1316 transitions. [2019-11-23 20:57:12,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2019-11-23 20:57:12,376 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 20:57:12,376 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 20:57:12,377 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 20:57:12,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 20:57:12,377 INFO L82 PathProgramCache]: Analyzing trace with hash 1173366829, now seen corresponding path program 1 times [2019-11-23 20:57:12,378 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 20:57:12,378 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316375200] [2019-11-23 20:57:12,378 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 20:57:12,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 20:57:12,502 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 20:57:12,502 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316375200] [2019-11-23 20:57:12,503 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 20:57:12,503 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 20:57:12,504 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554083529] [2019-11-23 20:57:12,505 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 20:57:12,506 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 20:57:12,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 20:57:12,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 20:57:12,507 INFO L87 Difference]: Start difference. First operand 859 states and 1316 transitions. Second operand 4 states. [2019-11-23 20:57:14,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 20:57:14,170 INFO L93 Difference]: Finished difference Result 3364 states and 5170 transitions. [2019-11-23 20:57:14,170 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-23 20:57:14,170 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 192 [2019-11-23 20:57:14,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 20:57:14,185 INFO L225 Difference]: With dead ends: 3364 [2019-11-23 20:57:14,185 INFO L226 Difference]: Without dead ends: 2507 [2019-11-23 20:57:14,188 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 20:57:14,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2507 states. [2019-11-23 20:57:14,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2507 to 1682. [2019-11-23 20:57:14,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1682 states. [2019-11-23 20:57:14,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1682 states to 1682 states and 2434 transitions. [2019-11-23 20:57:14,238 INFO L78 Accepts]: Start accepts. Automaton has 1682 states and 2434 transitions. Word has length 192 [2019-11-23 20:57:14,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 20:57:14,238 INFO L462 AbstractCegarLoop]: Abstraction has 1682 states and 2434 transitions. [2019-11-23 20:57:14,239 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 20:57:14,239 INFO L276 IsEmpty]: Start isEmpty. Operand 1682 states and 2434 transitions. [2019-11-23 20:57:14,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2019-11-23 20:57:14,244 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 20:57:14,244 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 20:57:14,245 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 20:57:14,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 20:57:14,245 INFO L82 PathProgramCache]: Analyzing trace with hash -73581847, now seen corresponding path program 1 times [2019-11-23 20:57:14,245 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 20:57:14,246 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706657421] [2019-11-23 20:57:14,246 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 20:57:14,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 20:57:14,578 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-23 20:57:14,579 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706657421] [2019-11-23 20:57:14,579 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 20:57:14,579 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-23 20:57:14,579 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3888139] [2019-11-23 20:57:14,580 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 20:57:14,580 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 20:57:14,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 20:57:14,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 20:57:14,581 INFO L87 Difference]: Start difference. First operand 1682 states and 2434 transitions. Second operand 4 states. [2019-11-23 20:57:16,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 20:57:16,432 INFO L93 Difference]: Finished difference Result 6614 states and 9588 transitions. [2019-11-23 20:57:16,433 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-23 20:57:16,433 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 198 [2019-11-23 20:57:16,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 20:57:16,459 INFO L225 Difference]: With dead ends: 6614 [2019-11-23 20:57:16,459 INFO L226 Difference]: Without dead ends: 4934 [2019-11-23 20:57:16,462 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 20:57:16,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4934 states. [2019-11-23 20:57:16,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4934 to 4932. [2019-11-23 20:57:16,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4932 states. [2019-11-23 20:57:16,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4932 states to 4932 states and 6537 transitions. [2019-11-23 20:57:16,582 INFO L78 Accepts]: Start accepts. Automaton has 4932 states and 6537 transitions. Word has length 198 [2019-11-23 20:57:16,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 20:57:16,584 INFO L462 AbstractCegarLoop]: Abstraction has 4932 states and 6537 transitions. [2019-11-23 20:57:16,584 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 20:57:16,584 INFO L276 IsEmpty]: Start isEmpty. Operand 4932 states and 6537 transitions. [2019-11-23 20:57:16,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2019-11-23 20:57:16,597 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 20:57:16,598 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 20:57:16,598 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 20:57:16,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 20:57:16,599 INFO L82 PathProgramCache]: Analyzing trace with hash -1185291772, now seen corresponding path program 1 times [2019-11-23 20:57:16,599 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 20:57:16,601 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806621421] [2019-11-23 20:57:16,601 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 20:57:16,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 20:57:16,749 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 20:57:16,750 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806621421] [2019-11-23 20:57:16,750 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 20:57:16,750 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-23 20:57:16,750 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950952261] [2019-11-23 20:57:16,751 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-23 20:57:16,751 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 20:57:16,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-23 20:57:16,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 20:57:16,752 INFO L87 Difference]: Start difference. First operand 4932 states and 6537 transitions. Second operand 3 states. [2019-11-23 20:57:17,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 20:57:17,970 INFO L93 Difference]: Finished difference Result 11905 states and 15682 transitions. [2019-11-23 20:57:17,970 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-23 20:57:17,971 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 224 [2019-11-23 20:57:17,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 20:57:18,000 INFO L225 Difference]: With dead ends: 11905 [2019-11-23 20:57:18,000 INFO L226 Difference]: Without dead ends: 6975 [2019-11-23 20:57:18,007 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 20:57:18,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6975 states. [2019-11-23 20:57:18,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6975 to 6974. [2019-11-23 20:57:18,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6974 states. [2019-11-23 20:57:18,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6974 states to 6974 states and 8983 transitions. [2019-11-23 20:57:18,142 INFO L78 Accepts]: Start accepts. Automaton has 6974 states and 8983 transitions. Word has length 224 [2019-11-23 20:57:18,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 20:57:18,142 INFO L462 AbstractCegarLoop]: Abstraction has 6974 states and 8983 transitions. [2019-11-23 20:57:18,142 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-23 20:57:18,142 INFO L276 IsEmpty]: Start isEmpty. Operand 6974 states and 8983 transitions. [2019-11-23 20:57:18,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2019-11-23 20:57:18,163 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 20:57:18,163 INFO L410 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 20:57:18,163 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 20:57:18,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 20:57:18,164 INFO L82 PathProgramCache]: Analyzing trace with hash -321194833, now seen corresponding path program 1 times [2019-11-23 20:57:18,164 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 20:57:18,164 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218630652] [2019-11-23 20:57:18,165 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 20:57:18,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 20:57:18,420 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 50 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 20:57:18,421 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218630652] [2019-11-23 20:57:18,421 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [895121666] [2019-11-23 20:57:18,422 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 20:57:18,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 20:57:18,607 INFO L255 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-23 20:57:18,630 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-23 20:57:18,714 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-23 20:57:18,714 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-23 20:57:18,714 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2019-11-23 20:57:18,715 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186169160] [2019-11-23 20:57:18,715 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-23 20:57:18,715 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 20:57:18,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-23 20:57:18,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-11-23 20:57:18,716 INFO L87 Difference]: Start difference. First operand 6974 states and 8983 transitions. Second operand 3 states. [2019-11-23 20:57:19,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 20:57:19,875 INFO L93 Difference]: Finished difference Result 19432 states and 24902 transitions. [2019-11-23 20:57:19,875 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-23 20:57:19,875 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 231 [2019-11-23 20:57:19,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 20:57:19,922 INFO L225 Difference]: With dead ends: 19432 [2019-11-23 20:57:19,923 INFO L226 Difference]: Without dead ends: 12460 [2019-11-23 20:57:19,933 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 230 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-11-23 20:57:19,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12460 states. [2019-11-23 20:57:20,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12460 to 12459. [2019-11-23 20:57:20,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12459 states. [2019-11-23 20:57:20,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12459 states to 12459 states and 15314 transitions. [2019-11-23 20:57:20,142 INFO L78 Accepts]: Start accepts. Automaton has 12459 states and 15314 transitions. Word has length 231 [2019-11-23 20:57:20,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 20:57:20,143 INFO L462 AbstractCegarLoop]: Abstraction has 12459 states and 15314 transitions. [2019-11-23 20:57:20,143 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-23 20:57:20,143 INFO L276 IsEmpty]: Start isEmpty. Operand 12459 states and 15314 transitions. [2019-11-23 20:57:20,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2019-11-23 20:57:20,168 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 20:57:20,169 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 20:57:20,372 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 20:57:20,373 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 20:57:20,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 20:57:20,373 INFO L82 PathProgramCache]: Analyzing trace with hash 768090626, now seen corresponding path program 1 times [2019-11-23 20:57:20,374 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 20:57:20,374 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223130063] [2019-11-23 20:57:20,374 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 20:57:20,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 20:57:20,572 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 20:57:20,573 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223130063] [2019-11-23 20:57:20,574 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 20:57:20,574 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 20:57:20,574 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777923060] [2019-11-23 20:57:20,575 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 20:57:20,575 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 20:57:20,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 20:57:20,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 20:57:20,576 INFO L87 Difference]: Start difference. First operand 12459 states and 15314 transitions. Second operand 4 states. [2019-11-23 20:57:22,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 20:57:22,310 INFO L93 Difference]: Finished difference Result 30647 states and 37340 transitions. [2019-11-23 20:57:22,311 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-23 20:57:22,311 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 246 [2019-11-23 20:57:22,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 20:57:22,356 INFO L225 Difference]: With dead ends: 30647 [2019-11-23 20:57:22,356 INFO L226 Difference]: Without dead ends: 18190 [2019-11-23 20:57:22,377 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 20:57:22,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18190 states. [2019-11-23 20:57:22,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18190 to 14503. [2019-11-23 20:57:22,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14503 states. [2019-11-23 20:57:22,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14503 states to 14503 states and 17503 transitions. [2019-11-23 20:57:22,650 INFO L78 Accepts]: Start accepts. Automaton has 14503 states and 17503 transitions. Word has length 246 [2019-11-23 20:57:22,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 20:57:22,650 INFO L462 AbstractCegarLoop]: Abstraction has 14503 states and 17503 transitions. [2019-11-23 20:57:22,650 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 20:57:22,650 INFO L276 IsEmpty]: Start isEmpty. Operand 14503 states and 17503 transitions. [2019-11-23 20:57:22,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2019-11-23 20:57:22,682 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 20:57:22,682 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 20:57:22,683 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 20:57:22,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 20:57:22,683 INFO L82 PathProgramCache]: Analyzing trace with hash 2030031962, now seen corresponding path program 1 times [2019-11-23 20:57:22,683 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 20:57:22,684 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762844303] [2019-11-23 20:57:22,684 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 20:57:22,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 20:57:22,810 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2019-11-23 20:57:22,810 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762844303] [2019-11-23 20:57:22,810 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 20:57:22,811 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 20:57:22,811 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802463903] [2019-11-23 20:57:22,811 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 20:57:22,812 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 20:57:22,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 20:57:22,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 20:57:22,813 INFO L87 Difference]: Start difference. First operand 14503 states and 17503 transitions. Second operand 4 states. [2019-11-23 20:57:23,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 20:57:23,951 INFO L93 Difference]: Finished difference Result 29005 states and 35006 transitions. [2019-11-23 20:57:23,951 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-23 20:57:23,952 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 248 [2019-11-23 20:57:23,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 20:57:23,976 INFO L225 Difference]: With dead ends: 29005 [2019-11-23 20:57:23,977 INFO L226 Difference]: Without dead ends: 14504 [2019-11-23 20:57:23,992 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 20:57:24,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14504 states. [2019-11-23 20:57:24,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14504 to 14503. [2019-11-23 20:57:24,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14503 states. [2019-11-23 20:57:24,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14503 states to 14503 states and 16848 transitions. [2019-11-23 20:57:24,168 INFO L78 Accepts]: Start accepts. Automaton has 14503 states and 16848 transitions. Word has length 248 [2019-11-23 20:57:24,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 20:57:24,169 INFO L462 AbstractCegarLoop]: Abstraction has 14503 states and 16848 transitions. [2019-11-23 20:57:24,169 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 20:57:24,169 INFO L276 IsEmpty]: Start isEmpty. Operand 14503 states and 16848 transitions. [2019-11-23 20:57:24,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2019-11-23 20:57:24,195 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 20:57:24,195 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 20:57:24,196 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 20:57:24,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 20:57:24,196 INFO L82 PathProgramCache]: Analyzing trace with hash 1718686317, now seen corresponding path program 1 times [2019-11-23 20:57:24,196 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 20:57:24,197 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749718900] [2019-11-23 20:57:24,197 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 20:57:24,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 20:57:24,389 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 72 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 20:57:24,390 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749718900] [2019-11-23 20:57:24,390 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [863619673] [2019-11-23 20:57:24,390 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 20:57:24,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 20:57:24,535 INFO L255 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-23 20:57:24,543 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-23 20:57:24,795 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-23 20:57:24,796 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-23 20:57:24,796 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2019-11-23 20:57:24,796 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999510768] [2019-11-23 20:57:24,797 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-23 20:57:24,797 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 20:57:24,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-23 20:57:24,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-23 20:57:24,797 INFO L87 Difference]: Start difference. First operand 14503 states and 16848 transitions. Second operand 3 states. [2019-11-23 20:57:26,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 20:57:26,019 INFO L93 Difference]: Finished difference Result 37557 states and 43797 transitions. [2019-11-23 20:57:26,019 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-23 20:57:26,019 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 253 [2019-11-23 20:57:26,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 20:57:26,075 INFO L225 Difference]: With dead ends: 37557 [2019-11-23 20:57:26,076 INFO L226 Difference]: Without dead ends: 23056 [2019-11-23 20:57:26,094 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-23 20:57:26,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23056 states. [2019-11-23 20:57:26,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23056 to 23029. [2019-11-23 20:57:26,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23029 states. [2019-11-23 20:57:26,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23029 states to 23029 states and 26631 transitions. [2019-11-23 20:57:26,393 INFO L78 Accepts]: Start accepts. Automaton has 23029 states and 26631 transitions. Word has length 253 [2019-11-23 20:57:26,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 20:57:26,393 INFO L462 AbstractCegarLoop]: Abstraction has 23029 states and 26631 transitions. [2019-11-23 20:57:26,393 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-23 20:57:26,393 INFO L276 IsEmpty]: Start isEmpty. Operand 23029 states and 26631 transitions. [2019-11-23 20:57:26,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2019-11-23 20:57:26,450 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 20:57:26,451 INFO L410 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 20:57:26,655 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 20:57:26,655 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 20:57:26,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 20:57:26,656 INFO L82 PathProgramCache]: Analyzing trace with hash 1626982926, now seen corresponding path program 1 times [2019-11-23 20:57:26,656 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 20:57:26,657 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773217247] [2019-11-23 20:57:26,657 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 20:57:26,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 20:57:26,865 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 86 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-11-23 20:57:26,866 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773217247] [2019-11-23 20:57:26,866 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [826477405] [2019-11-23 20:57:26,866 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 20:57:27,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 20:57:27,012 INFO L255 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-23 20:57:27,029 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-23 20:57:27,235 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-23 20:57:27,235 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-23 20:57:27,235 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2019-11-23 20:57:27,236 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522571326] [2019-11-23 20:57:27,236 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-23 20:57:27,237 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 20:57:27,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-23 20:57:27,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-11-23 20:57:27,237 INFO L87 Difference]: Start difference. First operand 23029 states and 26631 transitions. Second operand 3 states. [2019-11-23 20:57:28,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 20:57:28,355 INFO L93 Difference]: Finished difference Result 46059 states and 53264 transitions. [2019-11-23 20:57:28,355 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-23 20:57:28,355 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 261 [2019-11-23 20:57:28,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 20:57:28,384 INFO L225 Difference]: With dead ends: 46059 [2019-11-23 20:57:28,385 INFO L226 Difference]: Without dead ends: 23032 [2019-11-23 20:57:28,402 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 265 GetRequests, 260 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-11-23 20:57:28,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23032 states. [2019-11-23 20:57:28,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23032 to 20999. [2019-11-23 20:57:28,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20999 states. [2019-11-23 20:57:28,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20999 states to 20999 states and 23688 transitions. [2019-11-23 20:57:28,661 INFO L78 Accepts]: Start accepts. Automaton has 20999 states and 23688 transitions. Word has length 261 [2019-11-23 20:57:28,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 20:57:28,662 INFO L462 AbstractCegarLoop]: Abstraction has 20999 states and 23688 transitions. [2019-11-23 20:57:28,662 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-23 20:57:28,662 INFO L276 IsEmpty]: Start isEmpty. Operand 20999 states and 23688 transitions. [2019-11-23 20:57:28,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2019-11-23 20:57:28,684 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 20:57:28,684 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 20:57:28,888 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 20:57:28,888 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 20:57:28,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 20:57:28,889 INFO L82 PathProgramCache]: Analyzing trace with hash -2109683622, now seen corresponding path program 1 times [2019-11-23 20:57:28,889 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 20:57:28,889 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783303689] [2019-11-23 20:57:28,890 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 20:57:28,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 20:57:29,004 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-11-23 20:57:29,004 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783303689] [2019-11-23 20:57:29,004 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 20:57:29,005 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 20:57:29,005 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975277803] [2019-11-23 20:57:29,005 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-23 20:57:29,006 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 20:57:29,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-23 20:57:29,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 20:57:29,006 INFO L87 Difference]: Start difference. First operand 20999 states and 23688 transitions. Second operand 3 states. [2019-11-23 20:57:29,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 20:57:29,840 INFO L93 Difference]: Finished difference Result 38917 states and 43741 transitions. [2019-11-23 20:57:29,840 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-23 20:57:29,840 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 274 [2019-11-23 20:57:29,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 20:57:29,860 INFO L225 Difference]: With dead ends: 38917 [2019-11-23 20:57:29,860 INFO L226 Difference]: Without dead ends: 17920 [2019-11-23 20:57:29,874 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 20:57:29,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17920 states. [2019-11-23 20:57:30,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17920 to 16702. [2019-11-23 20:57:30,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16702 states. [2019-11-23 20:57:30,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16702 states to 16702 states and 18608 transitions. [2019-11-23 20:57:30,067 INFO L78 Accepts]: Start accepts. Automaton has 16702 states and 18608 transitions. Word has length 274 [2019-11-23 20:57:30,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 20:57:30,067 INFO L462 AbstractCegarLoop]: Abstraction has 16702 states and 18608 transitions. [2019-11-23 20:57:30,067 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-23 20:57:30,067 INFO L276 IsEmpty]: Start isEmpty. Operand 16702 states and 18608 transitions. [2019-11-23 20:57:30,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2019-11-23 20:57:30,087 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 20:57:30,087 INFO L410 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 20:57:30,088 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 20:57:30,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 20:57:30,088 INFO L82 PathProgramCache]: Analyzing trace with hash -5984517, now seen corresponding path program 1 times [2019-11-23 20:57:30,088 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 20:57:30,089 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990857727] [2019-11-23 20:57:30,089 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 20:57:30,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 20:57:30,351 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 141 proven. 3 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2019-11-23 20:57:30,352 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990857727] [2019-11-23 20:57:30,358 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [169924767] [2019-11-23 20:57:30,358 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 20:57:30,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 20:57:30,568 INFO L255 TraceCheckSpWp]: Trace formula consists of 581 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-23 20:57:30,576 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-23 20:57:30,954 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2019-11-23 20:57:30,954 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-23 20:57:30,954 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2019-11-23 20:57:30,957 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841922738] [2019-11-23 20:57:30,959 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-23 20:57:30,960 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 20:57:30,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-23 20:57:30,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-23 20:57:30,967 INFO L87 Difference]: Start difference. First operand 16702 states and 18608 transitions. Second operand 3 states. [2019-11-23 20:57:32,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 20:57:32,051 INFO L93 Difference]: Finished difference Result 34219 states and 38120 transitions. [2019-11-23 20:57:32,051 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-23 20:57:32,051 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 363 [2019-11-23 20:57:32,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 20:57:32,052 INFO L225 Difference]: With dead ends: 34219 [2019-11-23 20:57:32,052 INFO L226 Difference]: Without dead ends: 0 [2019-11-23 20:57:32,064 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 366 GetRequests, 362 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-23 20:57:32,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-23 20:57:32,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-23 20:57:32,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-23 20:57:32,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-23 20:57:32,065 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 363 [2019-11-23 20:57:32,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 20:57:32,065 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-23 20:57:32,065 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-23 20:57:32,066 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-23 20:57:32,066 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-23 20:57:32,269 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 20:57:32,275 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-23 20:57:32,512 WARN L192 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 127 [2019-11-23 20:57:32,748 WARN L192 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 127 [2019-11-23 20:57:33,440 WARN L192 SmtUtils]: Spent 688.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 40 [2019-11-23 20:57:34,193 WARN L192 SmtUtils]: Spent 750.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 40 [2019-11-23 20:57:34,198 INFO L444 ceAbstractionStarter]: For program point L498(lines 498 511) no Hoare annotation was computed. [2019-11-23 20:57:34,198 INFO L444 ceAbstractionStarter]: For program point L498-2(lines 498 511) no Hoare annotation was computed. [2019-11-23 20:57:34,198 INFO L444 ceAbstractionStarter]: For program point L1423(lines 1423 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,198 INFO L444 ceAbstractionStarter]: For program point L366(lines 366 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,198 INFO L444 ceAbstractionStarter]: For program point L1622-1(lines 54 1650) no Hoare annotation was computed. [2019-11-23 20:57:34,198 INFO L444 ceAbstractionStarter]: For program point L1556-1(lines 54 1650) no Hoare annotation was computed. [2019-11-23 20:57:34,199 INFO L444 ceAbstractionStarter]: For program point L1490-1(lines 54 1650) no Hoare annotation was computed. [2019-11-23 20:57:34,199 INFO L444 ceAbstractionStarter]: For program point L301(lines 301 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,199 INFO L444 ceAbstractionStarter]: For program point L1226(lines 1226 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,199 INFO L444 ceAbstractionStarter]: For program point L1623(line 1623) no Hoare annotation was computed. [2019-11-23 20:57:34,199 INFO L444 ceAbstractionStarter]: For program point L566(lines 566 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,199 INFO L444 ceAbstractionStarter]: For program point L1557(line 1557) no Hoare annotation was computed. [2019-11-23 20:57:34,199 INFO L444 ceAbstractionStarter]: For program point L1491(line 1491) no Hoare annotation was computed. [2019-11-23 20:57:34,200 INFO L444 ceAbstractionStarter]: For program point L434(lines 434 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,200 INFO L444 ceAbstractionStarter]: For program point L1359(lines 1359 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,200 INFO L444 ceAbstractionStarter]: For program point L1095(lines 1095 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,200 INFO L444 ceAbstractionStarter]: For program point L633(lines 633 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,200 INFO L444 ceAbstractionStarter]: For program point L1360(lines 1360 1379) no Hoare annotation was computed. [2019-11-23 20:57:34,200 INFO L444 ceAbstractionStarter]: For program point L1360-2(lines 1360 1379) no Hoare annotation was computed. [2019-11-23 20:57:34,201 INFO L444 ceAbstractionStarter]: For program point L1162(lines 1162 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,201 INFO L444 ceAbstractionStarter]: For program point L105(lines 105 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,201 INFO L444 ceAbstractionStarter]: For program point L1625-1(lines 54 1650) no Hoare annotation was computed. [2019-11-23 20:57:34,201 INFO L444 ceAbstractionStarter]: For program point L1559-1(lines 54 1650) no Hoare annotation was computed. [2019-11-23 20:57:34,202 INFO L444 ceAbstractionStarter]: For program point L1493-1(lines 54 1650) no Hoare annotation was computed. [2019-11-23 20:57:34,202 INFO L444 ceAbstractionStarter]: For program point L238(lines 238 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,202 INFO L444 ceAbstractionStarter]: For program point L172(lines 172 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,202 INFO L444 ceAbstractionStarter]: For program point L1031(lines 1031 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,202 INFO L444 ceAbstractionStarter]: For program point L899(lines 899 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,202 INFO L444 ceAbstractionStarter]: For program point L701(lines 701 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,202 INFO L444 ceAbstractionStarter]: For program point L1626(line 1626) no Hoare annotation was computed. [2019-11-23 20:57:34,202 INFO L444 ceAbstractionStarter]: For program point L1560(line 1560) no Hoare annotation was computed. [2019-11-23 20:57:34,203 INFO L444 ceAbstractionStarter]: For program point L1494(line 1494) no Hoare annotation was computed. [2019-11-23 20:57:34,203 INFO L444 ceAbstractionStarter]: For program point L966(lines 966 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,203 INFO L444 ceAbstractionStarter]: For program point L769(lines 769 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,203 INFO L444 ceAbstractionStarter]: For program point L1628-1(lines 54 1650) no Hoare annotation was computed. [2019-11-23 20:57:34,203 INFO L444 ceAbstractionStarter]: For program point L1562-1(lines 54 1650) no Hoare annotation was computed. [2019-11-23 20:57:34,203 INFO L444 ceAbstractionStarter]: For program point L1496-1(lines 54 1650) no Hoare annotation was computed. [2019-11-23 20:57:34,203 INFO L444 ceAbstractionStarter]: For program point L836(lines 836 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,203 INFO L444 ceAbstractionStarter]: For program point L1629(line 1629) no Hoare annotation was computed. [2019-11-23 20:57:34,203 INFO L444 ceAbstractionStarter]: For program point L1563(line 1563) no Hoare annotation was computed. [2019-11-23 20:57:34,203 INFO L444 ceAbstractionStarter]: For program point L1497(line 1497) no Hoare annotation was computed. [2019-11-23 20:57:34,204 INFO L444 ceAbstractionStarter]: For program point L441(lines 441 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,204 INFO L444 ceAbstractionStarter]: For program point L1432(lines 1432 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,204 INFO L444 ceAbstractionStarter]: For program point L574(lines 574 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,204 INFO L444 ceAbstractionStarter]: For program point L1631-1(lines 54 1650) no Hoare annotation was computed. [2019-11-23 20:57:34,204 INFO L444 ceAbstractionStarter]: For program point L1565-1(lines 54 1650) no Hoare annotation was computed. [2019-11-23 20:57:34,204 INFO L444 ceAbstractionStarter]: For program point L1499-1(lines 54 1650) no Hoare annotation was computed. [2019-11-23 20:57:34,204 INFO L444 ceAbstractionStarter]: For program point L1632(line 1632) no Hoare annotation was computed. [2019-11-23 20:57:34,204 INFO L444 ceAbstractionStarter]: For program point L1566(line 1566) no Hoare annotation was computed. [2019-11-23 20:57:34,204 INFO L444 ceAbstractionStarter]: For program point L1500(line 1500) no Hoare annotation was computed. [2019-11-23 20:57:34,204 INFO L444 ceAbstractionStarter]: For program point L377(lines 377 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,204 INFO L444 ceAbstractionStarter]: For program point L1104(lines 1104 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,204 INFO L444 ceAbstractionStarter]: For program point L1038(lines 1038 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,204 INFO L444 ceAbstractionStarter]: For program point L378(lines 378 395) no Hoare annotation was computed. [2019-11-23 20:57:34,204 INFO L444 ceAbstractionStarter]: For program point L312(lines 312 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,204 INFO L444 ceAbstractionStarter]: For program point L378-2(lines 378 395) no Hoare annotation was computed. [2019-11-23 20:57:34,205 INFO L444 ceAbstractionStarter]: For program point L1237(lines 1237 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,205 INFO L444 ceAbstractionStarter]: For program point L114(lines 114 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,205 INFO L444 ceAbstractionStarter]: For program point L1039(lines 1039 1059) no Hoare annotation was computed. [2019-11-23 20:57:34,205 INFO L444 ceAbstractionStarter]: For program point L1039-2(lines 1039 1059) no Hoare annotation was computed. [2019-11-23 20:57:34,205 INFO L444 ceAbstractionStarter]: For program point L907(lines 907 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,205 INFO L444 ceAbstractionStarter]: For program point L709(lines 709 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,205 INFO L444 ceAbstractionStarter]: For program point L643(lines 643 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,205 INFO L444 ceAbstractionStarter]: For program point L1634-1(lines 54 1650) no Hoare annotation was computed. [2019-11-23 20:57:34,205 INFO L444 ceAbstractionStarter]: For program point L1568-1(lines 54 1650) no Hoare annotation was computed. [2019-11-23 20:57:34,205 INFO L444 ceAbstractionStarter]: For program point L1502-1(lines 54 1650) no Hoare annotation was computed. [2019-11-23 20:57:34,206 INFO L444 ceAbstractionStarter]: For program point L181(lines 181 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,206 INFO L444 ceAbstractionStarter]: For program point L710(lines 710 731) no Hoare annotation was computed. [2019-11-23 20:57:34,206 INFO L444 ceAbstractionStarter]: For program point L710-2(lines 710 731) no Hoare annotation was computed. [2019-11-23 20:57:34,206 INFO L444 ceAbstractionStarter]: For program point L1635(line 1635) no Hoare annotation was computed. [2019-11-23 20:57:34,206 INFO L444 ceAbstractionStarter]: For program point L1569(line 1569) no Hoare annotation was computed. [2019-11-23 20:57:34,206 INFO L444 ceAbstractionStarter]: For program point L1503(line 1503) no Hoare annotation was computed. [2019-11-23 20:57:34,206 INFO L444 ceAbstractionStarter]: For program point L1305(lines 1305 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,206 INFO L444 ceAbstractionStarter]: For program point L248(lines 248 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,206 INFO L444 ceAbstractionStarter]: For program point L1173(lines 1173 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,206 INFO L444 ceAbstractionStarter]: For program point L975(lines 975 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,206 INFO L444 ceAbstractionStarter]: For program point L777(lines 777 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,206 INFO L444 ceAbstractionStarter]: For program point L513(lines 513 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,206 INFO L444 ceAbstractionStarter]: For program point L844(lines 844 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,206 INFO L444 ceAbstractionStarter]: For program point L1637-1(lines 54 1650) no Hoare annotation was computed. [2019-11-23 20:57:34,206 INFO L444 ceAbstractionStarter]: For program point L1571-1(lines 54 1650) no Hoare annotation was computed. [2019-11-23 20:57:34,207 INFO L444 ceAbstractionStarter]: For program point L1505-1(lines 54 1650) no Hoare annotation was computed. [2019-11-23 20:57:34,207 INFO L444 ceAbstractionStarter]: For program point L1638(line 1638) no Hoare annotation was computed. [2019-11-23 20:57:34,207 INFO L444 ceAbstractionStarter]: For program point L1572(line 1572) no Hoare annotation was computed. [2019-11-23 20:57:34,207 INFO L444 ceAbstractionStarter]: For program point L1506(line 1506) no Hoare annotation was computed. [2019-11-23 20:57:34,207 INFO L444 ceAbstractionStarter]: For program point L450(lines 450 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,207 INFO L444 ceAbstractionStarter]: For program point L583(lines 583 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,207 INFO L444 ceAbstractionStarter]: For program point L1640-1(lines 54 1650) no Hoare annotation was computed. [2019-11-23 20:57:34,207 INFO L444 ceAbstractionStarter]: For program point L1574-1(lines 54 1650) no Hoare annotation was computed. [2019-11-23 20:57:34,207 INFO L444 ceAbstractionStarter]: For program point L1508-1(lines 54 1650) no Hoare annotation was computed. [2019-11-23 20:57:34,207 INFO L444 ceAbstractionStarter]: For program point L1442(lines 1442 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,207 INFO L444 ceAbstractionStarter]: For program point L319(lines 319 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,207 INFO L444 ceAbstractionStarter]: For program point L1112(lines 1112 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,207 INFO L444 ceAbstractionStarter]: For program point L55(lines 55 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,207 INFO L444 ceAbstractionStarter]: For program point L1641(line 1641) no Hoare annotation was computed. [2019-11-23 20:57:34,207 INFO L444 ceAbstractionStarter]: For program point L1575(line 1575) no Hoare annotation was computed. [2019-11-23 20:57:34,208 INFO L444 ceAbstractionStarter]: For program point L1509(line 1509) no Hoare annotation was computed. [2019-11-23 20:57:34,208 INFO L444 ceAbstractionStarter]: For program point L56(lines 56 71) no Hoare annotation was computed. [2019-11-23 20:57:34,208 INFO L444 ceAbstractionStarter]: For program point L56-2(lines 56 71) no Hoare annotation was computed. [2019-11-23 20:57:34,208 INFO L444 ceAbstractionStarter]: For program point L784(lines 784 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,208 INFO L444 ceAbstractionStarter]: For program point L1643-1(lines 54 1650) no Hoare annotation was computed. [2019-11-23 20:57:34,208 INFO L444 ceAbstractionStarter]: For program point L1577-1(lines 54 1650) no Hoare annotation was computed. [2019-11-23 20:57:34,208 INFO L444 ceAbstractionStarter]: For program point L1511-1(lines 54 1650) no Hoare annotation was computed. [2019-11-23 20:57:34,208 INFO L444 ceAbstractionStarter]: For program point L1313(lines 1313 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,208 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-23 20:57:34,208 INFO L444 ceAbstractionStarter]: For program point L983(lines 983 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,208 INFO L444 ceAbstractionStarter]: For program point L917(lines 917 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,208 INFO L444 ceAbstractionStarter]: For program point L653(lines 653 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,208 INFO L444 ceAbstractionStarter]: For program point L1644(line 1644) no Hoare annotation was computed. [2019-11-23 20:57:34,208 INFO L444 ceAbstractionStarter]: For program point L1578(line 1578) no Hoare annotation was computed. [2019-11-23 20:57:34,209 INFO L444 ceAbstractionStarter]: For program point L1512(line 1512) no Hoare annotation was computed. [2019-11-23 20:57:34,209 INFO L444 ceAbstractionStarter]: For program point L257(lines 257 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,209 INFO L444 ceAbstractionStarter]: For program point L191(lines 191 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,209 INFO L444 ceAbstractionStarter]: For program point L1182(lines 1182 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,209 INFO L444 ceAbstractionStarter]: For program point L918(lines 918 935) no Hoare annotation was computed. [2019-11-23 20:57:34,209 INFO L444 ceAbstractionStarter]: For program point L918-2(lines 918 935) no Hoare annotation was computed. [2019-11-23 20:57:34,209 INFO L444 ceAbstractionStarter]: For program point L522(lines 522 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,209 INFO L444 ceAbstractionStarter]: For program point L1381(lines 1381 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,209 INFO L444 ceAbstractionStarter]: For program point L1249(lines 1249 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,209 INFO L444 ceAbstractionStarter]: For program point L192(lines 192 211) no Hoare annotation was computed. [2019-11-23 20:57:34,209 INFO L444 ceAbstractionStarter]: For program point L126(lines 126 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,209 INFO L444 ceAbstractionStarter]: For program point L192-2(lines 192 211) no Hoare annotation was computed. [2019-11-23 20:57:34,209 INFO L444 ceAbstractionStarter]: For program point L853(lines 853 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,209 INFO L444 ceAbstractionStarter]: For program point L1646-1(lines 1646 1648) no Hoare annotation was computed. [2019-11-23 20:57:34,209 INFO L444 ceAbstractionStarter]: For program point L1580-1(lines 54 1650) no Hoare annotation was computed. [2019-11-23 20:57:34,210 INFO L444 ceAbstractionStarter]: For program point L1514-1(lines 54 1650) no Hoare annotation was computed. [2019-11-23 20:57:34,210 INFO L444 ceAbstractionStarter]: For program point L1382(lines 1382 1400) no Hoare annotation was computed. [2019-11-23 20:57:34,210 INFO L444 ceAbstractionStarter]: For program point L1382-2(lines 1382 1400) no Hoare annotation was computed. [2019-11-23 20:57:34,210 INFO L444 ceAbstractionStarter]: For program point L1250(lines 1250 1272) no Hoare annotation was computed. [2019-11-23 20:57:34,210 INFO L444 ceAbstractionStarter]: For program point L1250-2(lines 1250 1272) no Hoare annotation was computed. [2019-11-23 20:57:34,210 INFO L444 ceAbstractionStarter]: For program point L1647(line 1647) no Hoare annotation was computed. [2019-11-23 20:57:34,210 INFO L444 ceAbstractionStarter]: For program point L1581(line 1581) no Hoare annotation was computed. [2019-11-23 20:57:34,210 INFO L444 ceAbstractionStarter]: For program point L1515(line 1515) no Hoare annotation was computed. [2019-11-23 20:57:34,210 INFO L444 ceAbstractionStarter]: For program point L458(lines 458 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,210 INFO L444 ceAbstractionStarter]: For program point L1120(lines 1120 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,210 INFO L444 ceAbstractionStarter]: For program point L658(lines 658 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,211 INFO L440 ceAbstractionStarter]: At program point L1649(lines 54 1650) the Hoare annotation is: (let ((.cse1 (= 1 ~a6~0))) (let ((.cse3 (= 0 ~a3~0)) (.cse10 (not .cse1)) (.cse6 (<= ~a11~0 0)) (.cse7 (not (= 1 ~a3~0))) (.cse2 (not (= ~a12~0 1))) (.cse9 (<= ~a27~0 0)) (.cse5 (= ~a26~0 1)) (.cse8 (= ~a27~0 1)) (.cse0 (= 1 ~a5~0)) (.cse4 (= ~a11~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse6 .cse7) (and .cse0 .cse8 .cse6 .cse7) (and .cse0 .cse4 .cse5 .cse9) (and .cse0 .cse1 .cse6 .cse9) (and .cse0 .cse8 .cse6 .cse5) (and .cse0 .cse2 .cse4 .cse10 .cse9 .cse7) (and .cse0 .cse8 .cse6 .cse2) (and .cse0 .cse6 .cse3 .cse9) (and .cse0 .cse6 .cse2 .cse10 .cse9) (and .cse0 .cse6 .cse5 .cse9 .cse7) (and .cse0 .cse8 .cse2 .cse4) (and .cse0 .cse1 .cse4 .cse9) (and .cse0 .cse8 .cse4 .cse5) (and .cse8 .cse0 .cse1 .cse4)))) [2019-11-23 20:57:34,211 INFO L444 ceAbstractionStarter]: For program point L592(lines 592 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,211 INFO L444 ceAbstractionStarter]: For program point L1583-1(lines 54 1650) no Hoare annotation was computed. [2019-11-23 20:57:34,211 INFO L444 ceAbstractionStarter]: For program point L1517-1(lines 54 1650) no Hoare annotation was computed. [2019-11-23 20:57:34,212 INFO L444 ceAbstractionStarter]: For program point L1584(line 1584) no Hoare annotation was computed. [2019-11-23 20:57:34,212 INFO L444 ceAbstractionStarter]: For program point L1518(line 1518) no Hoare annotation was computed. [2019-11-23 20:57:34,212 INFO L444 ceAbstractionStarter]: For program point L1452(lines 1452 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,212 INFO L444 ceAbstractionStarter]: For program point L329(lines 329 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,212 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-23 20:57:34,212 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1584) no Hoare annotation was computed. [2019-11-23 20:57:34,212 INFO L444 ceAbstractionStarter]: For program point L1321(lines 1321 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,212 INFO L447 ceAbstractionStarter]: At program point L1652(lines 1652 1669) the Hoare annotation is: true [2019-11-23 20:57:34,212 INFO L444 ceAbstractionStarter]: For program point L529(lines 529 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,213 INFO L444 ceAbstractionStarter]: For program point L1586-1(lines 54 1650) no Hoare annotation was computed. [2019-11-23 20:57:34,213 INFO L444 ceAbstractionStarter]: For program point L1520-1(lines 54 1650) no Hoare annotation was computed. [2019-11-23 20:57:34,213 INFO L444 ceAbstractionStarter]: For program point L397(lines 397 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,213 INFO L444 ceAbstractionStarter]: For program point L265(lines 265 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,213 INFO L444 ceAbstractionStarter]: For program point L1190(lines 1190 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,213 INFO L444 ceAbstractionStarter]: For program point L1587(line 1587) no Hoare annotation was computed. [2019-11-23 20:57:34,213 INFO L444 ceAbstractionStarter]: For program point L1521(line 1521) no Hoare annotation was computed. [2019-11-23 20:57:34,213 INFO L444 ceAbstractionStarter]: For program point L795(lines 795 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,213 INFO L444 ceAbstractionStarter]: For program point L135(lines 135 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,213 INFO L444 ceAbstractionStarter]: For program point L994(lines 994 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,213 INFO L444 ceAbstractionStarter]: For program point L1589-1(lines 54 1650) no Hoare annotation was computed. [2019-11-23 20:57:34,213 INFO L444 ceAbstractionStarter]: For program point L1523-1(lines 54 1650) no Hoare annotation was computed. [2019-11-23 20:57:34,213 INFO L444 ceAbstractionStarter]: For program point L1127(lines 1127 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,213 INFO L444 ceAbstractionStarter]: For program point L1061(lines 1061 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,213 INFO L444 ceAbstractionStarter]: For program point L863(lines 863 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,214 INFO L444 ceAbstractionStarter]: For program point L665(lines 665 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,214 INFO L444 ceAbstractionStarter]: For program point L1590(line 1590) no Hoare annotation was computed. [2019-11-23 20:57:34,214 INFO L444 ceAbstractionStarter]: For program point L1524(line 1524) no Hoare annotation was computed. [2019-11-23 20:57:34,214 INFO L444 ceAbstractionStarter]: For program point L467(lines 467 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,214 INFO L444 ceAbstractionStarter]: For program point L1326(lines 1326 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,214 INFO L444 ceAbstractionStarter]: For program point L468(lines 468 478) no Hoare annotation was computed. [2019-11-23 20:57:34,214 INFO L444 ceAbstractionStarter]: For program point L468-2(lines 468 478) no Hoare annotation was computed. [2019-11-23 20:57:34,214 INFO L444 ceAbstractionStarter]: For program point L733(lines 733 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,214 INFO L440 ceAbstractionStarter]: At program point L1658-2(lines 1658 1668) the Hoare annotation is: (let ((.cse1 (= 1 ~a6~0))) (let ((.cse3 (= 0 ~a3~0)) (.cse10 (not .cse1)) (.cse6 (<= ~a11~0 0)) (.cse7 (not (= 1 ~a3~0))) (.cse2 (not (= ~a12~0 1))) (.cse9 (<= ~a27~0 0)) (.cse5 (= ~a26~0 1)) (.cse8 (= ~a27~0 1)) (.cse0 (= 1 ~a5~0)) (.cse4 (= ~a11~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse6 .cse7) (and .cse0 .cse8 .cse6 .cse7) (and .cse0 .cse4 .cse5 .cse9) (and .cse0 .cse1 .cse6 .cse9) (and .cse0 .cse8 .cse6 .cse5) (and .cse0 .cse2 .cse4 .cse10 .cse9 .cse7) (and .cse0 .cse8 .cse6 .cse2) (and .cse0 .cse6 .cse3 .cse9) (and .cse0 .cse6 .cse2 .cse10 .cse9) (and .cse0 .cse6 .cse5 .cse9 .cse7) (and .cse0 .cse8 .cse2 .cse4) (and .cse0 .cse1 .cse4 .cse9) (and .cse0 .cse8 .cse4 .cse5) (and .cse8 .cse0 .cse1 .cse4)))) [2019-11-23 20:57:34,214 INFO L444 ceAbstractionStarter]: For program point L1592-1(lines 54 1650) no Hoare annotation was computed. [2019-11-23 20:57:34,214 INFO L444 ceAbstractionStarter]: For program point L1526-1(lines 54 1650) no Hoare annotation was computed. [2019-11-23 20:57:34,214 INFO L444 ceAbstractionStarter]: For program point L1460(lines 1460 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,215 INFO L444 ceAbstractionStarter]: For program point L73(lines 73 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,215 INFO L444 ceAbstractionStarter]: For program point L1593(line 1593) no Hoare annotation was computed. [2019-11-23 20:57:34,215 INFO L444 ceAbstractionStarter]: For program point L1527(line 1527) no Hoare annotation was computed. [2019-11-23 20:57:34,215 INFO L444 ceAbstractionStarter]: For program point L603(lines 603 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,215 INFO L444 ceAbstractionStarter]: For program point L405(lines 405 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,215 INFO L444 ceAbstractionStarter]: For program point L339(lines 339 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,215 INFO L444 ceAbstractionStarter]: For program point L1132(lines 1132 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,215 INFO L444 ceAbstractionStarter]: For program point L1066(lines 1066 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,215 INFO L444 ceAbstractionStarter]: For program point L868(lines 868 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,215 INFO L444 ceAbstractionStarter]: For program point L1595-1(lines 54 1650) no Hoare annotation was computed. [2019-11-23 20:57:34,215 INFO L444 ceAbstractionStarter]: For program point L1529-1(lines 54 1650) no Hoare annotation was computed. [2019-11-23 20:57:34,215 INFO L444 ceAbstractionStarter]: For program point L869(lines 869 887) no Hoare annotation was computed. [2019-11-23 20:57:34,215 INFO L444 ceAbstractionStarter]: For program point L869-2(lines 869 887) no Hoare annotation was computed. [2019-11-23 20:57:34,215 INFO L444 ceAbstractionStarter]: For program point L1596(line 1596) no Hoare annotation was computed. [2019-11-23 20:57:34,216 INFO L444 ceAbstractionStarter]: For program point L539(lines 539 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,216 INFO L444 ceAbstractionStarter]: For program point L1530(line 1530) no Hoare annotation was computed. [2019-11-23 20:57:34,216 INFO L444 ceAbstractionStarter]: For program point L1200(lines 1200 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,216 INFO L444 ceAbstractionStarter]: For program point L804(lines 804 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,216 INFO L444 ceAbstractionStarter]: For program point L1663(line 1663) no Hoare annotation was computed. [2019-11-23 20:57:34,216 INFO L444 ceAbstractionStarter]: For program point L276(lines 276 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,216 INFO L444 ceAbstractionStarter]: For program point L1003(lines 1003 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,216 INFO L444 ceAbstractionStarter]: For program point L937(lines 937 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,216 INFO L444 ceAbstractionStarter]: For program point L1598-1(lines 54 1650) no Hoare annotation was computed. [2019-11-23 20:57:34,216 INFO L444 ceAbstractionStarter]: For program point L1532-1(lines 54 1650) no Hoare annotation was computed. [2019-11-23 20:57:34,216 INFO L444 ceAbstractionStarter]: For program point L1466(lines 1466 1468) no Hoare annotation was computed. [2019-11-23 20:57:34,216 INFO L444 ceAbstractionStarter]: For program point L1466-2(lines 54 1650) no Hoare annotation was computed. [2019-11-23 20:57:34,216 INFO L444 ceAbstractionStarter]: For program point L1599(line 1599) no Hoare annotation was computed. [2019-11-23 20:57:34,216 INFO L444 ceAbstractionStarter]: For program point L1533(line 1533) no Hoare annotation was computed. [2019-11-23 20:57:34,216 INFO L444 ceAbstractionStarter]: For program point L1467(line 1467) no Hoare annotation was computed. [2019-11-23 20:57:34,217 INFO L444 ceAbstractionStarter]: For program point L146(lines 146 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,217 INFO L444 ceAbstractionStarter]: For program point L675(lines 675 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,217 INFO L444 ceAbstractionStarter]: For program point L1402(lines 1402 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,217 INFO L444 ceAbstractionStarter]: For program point L1336(lines 1336 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,217 INFO L444 ceAbstractionStarter]: For program point L213(lines 213 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,217 INFO L444 ceAbstractionStarter]: For program point L1601-1(lines 54 1650) no Hoare annotation was computed. [2019-11-23 20:57:34,217 INFO L444 ceAbstractionStarter]: For program point L1535-1(lines 54 1650) no Hoare annotation was computed. [2019-11-23 20:57:34,217 INFO L444 ceAbstractionStarter]: For program point L1469-1(lines 54 1650) no Hoare annotation was computed. [2019-11-23 20:57:34,217 INFO L444 ceAbstractionStarter]: For program point L1403(lines 1403 1421) no Hoare annotation was computed. [2019-11-23 20:57:34,217 INFO L444 ceAbstractionStarter]: For program point L1403-2(lines 1403 1421) no Hoare annotation was computed. [2019-11-23 20:57:34,217 INFO L444 ceAbstractionStarter]: For program point L82(lines 82 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,217 INFO L444 ceAbstractionStarter]: For program point L743(lines 743 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,217 INFO L444 ceAbstractionStarter]: For program point L1602(line 1602) no Hoare annotation was computed. [2019-11-23 20:57:34,217 INFO L444 ceAbstractionStarter]: For program point L1536(line 1536) no Hoare annotation was computed. [2019-11-23 20:57:34,217 INFO L444 ceAbstractionStarter]: For program point L1470(line 1470) no Hoare annotation was computed. [2019-11-23 20:57:34,218 INFO L444 ceAbstractionStarter]: For program point L1074(lines 1074 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,218 INFO L444 ceAbstractionStarter]: For program point L546(lines 546 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,218 INFO L444 ceAbstractionStarter]: For program point L480(lines 480 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,218 INFO L444 ceAbstractionStarter]: For program point L414(lines 414 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,218 INFO L444 ceAbstractionStarter]: For program point L348(lines 348 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,218 INFO L444 ceAbstractionStarter]: For program point L1604-1(lines 54 1650) no Hoare annotation was computed. [2019-11-23 20:57:34,218 INFO L444 ceAbstractionStarter]: For program point L1538-1(lines 54 1650) no Hoare annotation was computed. [2019-11-23 20:57:34,218 INFO L444 ceAbstractionStarter]: For program point L1472-1(lines 54 1650) no Hoare annotation was computed. [2019-11-23 20:57:34,218 INFO L444 ceAbstractionStarter]: For program point L1274(lines 1274 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,218 INFO L444 ceAbstractionStarter]: For program point L1142(lines 1142 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,218 INFO L444 ceAbstractionStarter]: For program point L614(lines 614 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,218 INFO L444 ceAbstractionStarter]: For program point L1605(line 1605) no Hoare annotation was computed. [2019-11-23 20:57:34,219 INFO L444 ceAbstractionStarter]: For program point L1539(line 1539) no Hoare annotation was computed. [2019-11-23 20:57:34,219 INFO L444 ceAbstractionStarter]: For program point L1473(line 1473) no Hoare annotation was computed. [2019-11-23 20:57:34,219 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-23 20:57:34,219 INFO L444 ceAbstractionStarter]: For program point L284(lines 284 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,219 INFO L444 ceAbstractionStarter]: For program point L1011(lines 1011 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,219 INFO L444 ceAbstractionStarter]: For program point L813(lines 813 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,219 INFO L444 ceAbstractionStarter]: For program point L1210(lines 1210 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,219 INFO L444 ceAbstractionStarter]: For program point L1607-1(lines 54 1650) no Hoare annotation was computed. [2019-11-23 20:57:34,219 INFO L444 ceAbstractionStarter]: For program point L1541-1(lines 54 1650) no Hoare annotation was computed. [2019-11-23 20:57:34,220 INFO L444 ceAbstractionStarter]: For program point L1475-1(lines 54 1650) no Hoare annotation was computed. [2019-11-23 20:57:34,220 INFO L444 ceAbstractionStarter]: For program point L1211(lines 1211 1224) no Hoare annotation was computed. [2019-11-23 20:57:34,220 INFO L444 ceAbstractionStarter]: For program point L1211-2(lines 1211 1224) no Hoare annotation was computed. [2019-11-23 20:57:34,220 INFO L444 ceAbstractionStarter]: For program point L947(lines 947 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,220 INFO L444 ceAbstractionStarter]: For program point L1608(line 1608) no Hoare annotation was computed. [2019-11-23 20:57:34,220 INFO L444 ceAbstractionStarter]: For program point L1542(line 1542) no Hoare annotation was computed. [2019-11-23 20:57:34,220 INFO L444 ceAbstractionStarter]: For program point L1476(line 1476) no Hoare annotation was computed. [2019-11-23 20:57:34,220 INFO L444 ceAbstractionStarter]: For program point L1344(lines 1344 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,220 INFO L444 ceAbstractionStarter]: For program point L155(lines 155 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,221 INFO L444 ceAbstractionStarter]: For program point L89(lines 89 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,221 INFO L444 ceAbstractionStarter]: For program point L684(lines 684 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,221 INFO L444 ceAbstractionStarter]: For program point L222(lines 222 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,221 INFO L444 ceAbstractionStarter]: For program point L685(lines 685 699) no Hoare annotation was computed. [2019-11-23 20:57:34,221 INFO L444 ceAbstractionStarter]: For program point L685-2(lines 685 699) no Hoare annotation was computed. [2019-11-23 20:57:34,221 INFO L444 ceAbstractionStarter]: For program point L1610-1(lines 54 1650) no Hoare annotation was computed. [2019-11-23 20:57:34,221 INFO L444 ceAbstractionStarter]: For program point L1544-1(lines 54 1650) no Hoare annotation was computed. [2019-11-23 20:57:34,221 INFO L444 ceAbstractionStarter]: For program point L1478-1(lines 54 1650) no Hoare annotation was computed. [2019-11-23 20:57:34,221 INFO L444 ceAbstractionStarter]: For program point L1611(line 1611) no Hoare annotation was computed. [2019-11-23 20:57:34,221 INFO L444 ceAbstractionStarter]: For program point L1545(line 1545) no Hoare annotation was computed. [2019-11-23 20:57:34,222 INFO L444 ceAbstractionStarter]: For program point L488(lines 488 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,222 INFO L444 ceAbstractionStarter]: For program point L1479(line 1479) no Hoare annotation was computed. [2019-11-23 20:57:34,222 INFO L444 ceAbstractionStarter]: For program point L422(lines 422 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,222 INFO L444 ceAbstractionStarter]: For program point L356(lines 356 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,222 INFO L444 ceAbstractionStarter]: For program point L753(lines 753 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,222 INFO L444 ceAbstractionStarter]: For program point L622(lines 622 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,222 INFO L444 ceAbstractionStarter]: For program point L556(lines 556 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,222 INFO L444 ceAbstractionStarter]: For program point L1613-1(lines 54 1650) no Hoare annotation was computed. [2019-11-23 20:57:34,222 INFO L444 ceAbstractionStarter]: For program point L1547-1(lines 54 1650) no Hoare annotation was computed. [2019-11-23 20:57:34,223 INFO L444 ceAbstractionStarter]: For program point L1481-1(lines 54 1650) no Hoare annotation was computed. [2019-11-23 20:57:34,223 INFO L444 ceAbstractionStarter]: For program point L292(lines 292 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,223 INFO L444 ceAbstractionStarter]: For program point L1283(lines 1283 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,223 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-23 20:57:34,223 INFO L444 ceAbstractionStarter]: For program point L1614(line 1614) no Hoare annotation was computed. [2019-11-23 20:57:34,223 INFO L444 ceAbstractionStarter]: For program point L1548(line 1548) no Hoare annotation was computed. [2019-11-23 20:57:34,223 INFO L444 ceAbstractionStarter]: For program point L1482(line 1482) no Hoare annotation was computed. [2019-11-23 20:57:34,223 INFO L444 ceAbstractionStarter]: For program point L1350(lines 1350 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,223 INFO L444 ceAbstractionStarter]: For program point L1284(lines 1284 1303) no Hoare annotation was computed. [2019-11-23 20:57:34,223 INFO L444 ceAbstractionStarter]: For program point L1284-2(lines 1284 1303) no Hoare annotation was computed. [2019-11-23 20:57:34,224 INFO L444 ceAbstractionStarter]: For program point L1152(lines 1152 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,224 INFO L444 ceAbstractionStarter]: For program point L95(lines 95 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,224 INFO L444 ceAbstractionStarter]: For program point L1086(lines 1086 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,224 INFO L444 ceAbstractionStarter]: For program point L1021(lines 1021 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,224 INFO L444 ceAbstractionStarter]: For program point L955(lines 955 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,224 INFO L444 ceAbstractionStarter]: For program point L889(lines 889 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,224 INFO L444 ceAbstractionStarter]: For program point L1616-1(lines 54 1650) no Hoare annotation was computed. [2019-11-23 20:57:34,224 INFO L444 ceAbstractionStarter]: For program point L1550-1(lines 54 1650) no Hoare annotation was computed. [2019-11-23 20:57:34,225 INFO L444 ceAbstractionStarter]: For program point L1484-1(lines 54 1650) no Hoare annotation was computed. [2019-11-23 20:57:34,225 INFO L444 ceAbstractionStarter]: For program point L1617(line 1617) no Hoare annotation was computed. [2019-11-23 20:57:34,225 INFO L444 ceAbstractionStarter]: For program point L1551(line 1551) no Hoare annotation was computed. [2019-11-23 20:57:34,225 INFO L444 ceAbstractionStarter]: For program point L1485(line 1485) no Hoare annotation was computed. [2019-11-23 20:57:34,225 INFO L444 ceAbstractionStarter]: For program point L164(lines 164 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,225 INFO L444 ceAbstractionStarter]: For program point L825(lines 825 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,225 INFO L444 ceAbstractionStarter]: For program point L1619-1(lines 54 1650) no Hoare annotation was computed. [2019-11-23 20:57:34,225 INFO L444 ceAbstractionStarter]: For program point L1553-1(lines 54 1650) no Hoare annotation was computed. [2019-11-23 20:57:34,225 INFO L444 ceAbstractionStarter]: For program point L1487-1(lines 54 1650) no Hoare annotation was computed. [2019-11-23 20:57:34,226 INFO L444 ceAbstractionStarter]: For program point L761(lines 761 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,226 INFO L444 ceAbstractionStarter]: For program point L1620(line 1620) no Hoare annotation was computed. [2019-11-23 20:57:34,226 INFO L444 ceAbstractionStarter]: For program point L1554(line 1554) no Hoare annotation was computed. [2019-11-23 20:57:34,226 INFO L444 ceAbstractionStarter]: For program point L497(lines 497 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,226 INFO L444 ceAbstractionStarter]: For program point L1488(line 1488) no Hoare annotation was computed. [2019-11-23 20:57:34,226 INFO L444 ceAbstractionStarter]: For program point L233(lines 233 1465) no Hoare annotation was computed. [2019-11-23 20:57:34,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 08:57:34 BoogieIcfgContainer [2019-11-23 20:57:34,252 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-23 20:57:34,254 INFO L168 Benchmark]: Toolchain (without parser) took 30532.82 ms. Allocated memory was 141.6 MB in the beginning and 890.8 MB in the end (delta: 749.2 MB). Free memory was 96.9 MB in the beginning and 134.4 MB in the end (delta: -37.5 MB). Peak memory consumption was 711.7 MB. Max. memory is 7.1 GB. [2019-11-23 20:57:34,255 INFO L168 Benchmark]: CDTParser took 0.56 ms. Allocated memory is still 141.6 MB. Free memory was 120.7 MB in the beginning and 120.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-11-23 20:57:34,256 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1312.05 ms. Allocated memory was 141.6 MB in the beginning and 238.0 MB in the end (delta: 96.5 MB). Free memory was 96.7 MB in the beginning and 186.0 MB in the end (delta: -89.3 MB). Peak memory consumption was 47.8 MB. Max. memory is 7.1 GB. [2019-11-23 20:57:34,256 INFO L168 Benchmark]: Boogie Procedure Inliner took 169.68 ms. Allocated memory is still 238.0 MB. Free memory was 186.0 MB in the beginning and 171.1 MB in the end (delta: 14.9 MB). Peak memory consumption was 14.9 MB. Max. memory is 7.1 GB. [2019-11-23 20:57:34,257 INFO L168 Benchmark]: Boogie Preprocessor took 131.25 ms. Allocated memory is still 238.0 MB. Free memory was 171.1 MB in the beginning and 158.7 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 7.1 GB. [2019-11-23 20:57:34,258 INFO L168 Benchmark]: RCFGBuilder took 2068.83 ms. Allocated memory was 238.0 MB in the beginning and 267.9 MB in the end (delta: 29.9 MB). Free memory was 158.7 MB in the beginning and 178.0 MB in the end (delta: -19.2 MB). Peak memory consumption was 99.2 MB. Max. memory is 7.1 GB. [2019-11-23 20:57:34,259 INFO L168 Benchmark]: TraceAbstraction took 26843.80 ms. Allocated memory was 267.9 MB in the beginning and 890.8 MB in the end (delta: 622.9 MB). Free memory was 178.0 MB in the beginning and 134.4 MB in the end (delta: 43.6 MB). Peak memory consumption was 666.4 MB. Max. memory is 7.1 GB. [2019-11-23 20:57:34,263 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56 ms. Allocated memory is still 141.6 MB. Free memory was 120.7 MB in the beginning and 120.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1312.05 ms. Allocated memory was 141.6 MB in the beginning and 238.0 MB in the end (delta: 96.5 MB). Free memory was 96.7 MB in the beginning and 186.0 MB in the end (delta: -89.3 MB). Peak memory consumption was 47.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 169.68 ms. Allocated memory is still 238.0 MB. Free memory was 186.0 MB in the beginning and 171.1 MB in the end (delta: 14.9 MB). Peak memory consumption was 14.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 131.25 ms. Allocated memory is still 238.0 MB. Free memory was 171.1 MB in the beginning and 158.7 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2068.83 ms. Allocated memory was 238.0 MB in the beginning and 267.9 MB in the end (delta: 29.9 MB). Free memory was 158.7 MB in the beginning and 178.0 MB in the end (delta: -19.2 MB). Peak memory consumption was 99.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 26843.80 ms. Allocated memory was 267.9 MB in the beginning and 890.8 MB in the end (delta: 622.9 MB). Free memory was 178.0 MB in the beginning and 134.4 MB in the end (delta: 43.6 MB). Peak memory consumption was 666.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1584]: 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: 1652]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1658]: Loop Invariant Derived loop invariant: ((((((((((((((((((1 == a5 && 1 == a6) && !(a12 == 1)) && 0 == a3) && a11 == 1) && a26 == 1) || ((((1 == a5 && 1 == a6) && !(a12 == 1)) && a11 <= 0) && !(1 == a3))) || (((1 == a5 && a27 == 1) && a11 <= 0) && !(1 == a3))) || (((1 == a5 && a11 == 1) && a26 == 1) && a27 <= 0)) || (((1 == a5 && 1 == a6) && a11 <= 0) && a27 <= 0)) || (((1 == a5 && a27 == 1) && a11 <= 0) && a26 == 1)) || (((((1 == a5 && !(a12 == 1)) && a11 == 1) && !(1 == a6)) && a27 <= 0) && !(1 == a3))) || (((1 == a5 && a27 == 1) && a11 <= 0) && !(a12 == 1))) || (((1 == a5 && a11 <= 0) && 0 == a3) && a27 <= 0)) || ((((1 == a5 && a11 <= 0) && !(a12 == 1)) && !(1 == a6)) && a27 <= 0)) || ((((1 == a5 && a11 <= 0) && a26 == 1) && a27 <= 0) && !(1 == a3))) || (((1 == a5 && a27 == 1) && !(a12 == 1)) && a11 == 1)) || (((1 == a5 && 1 == a6) && a11 == 1) && a27 <= 0)) || (((1 == a5 && a27 == 1) && a11 == 1) && a26 == 1)) || (((a27 == 1 && 1 == a5) && 1 == a6) && a11 == 1) - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: ((((((((((((((((((1 == a5 && 1 == a6) && !(a12 == 1)) && 0 == a3) && a11 == 1) && a26 == 1) || ((((1 == a5 && 1 == a6) && !(a12 == 1)) && a11 <= 0) && !(1 == a3))) || (((1 == a5 && a27 == 1) && a11 <= 0) && !(1 == a3))) || (((1 == a5 && a11 == 1) && a26 == 1) && a27 <= 0)) || (((1 == a5 && 1 == a6) && a11 <= 0) && a27 <= 0)) || (((1 == a5 && a27 == 1) && a11 <= 0) && a26 == 1)) || (((((1 == a5 && !(a12 == 1)) && a11 == 1) && !(1 == a6)) && a27 <= 0) && !(1 == a3))) || (((1 == a5 && a27 == 1) && a11 <= 0) && !(a12 == 1))) || (((1 == a5 && a11 <= 0) && 0 == a3) && a27 <= 0)) || ((((1 == a5 && a11 <= 0) && !(a12 == 1)) && !(1 == a6)) && a27 <= 0)) || ((((1 == a5 && a11 <= 0) && a26 == 1) && a27 <= 0) && !(1 == a3))) || (((1 == a5 && a27 == 1) && !(a12 == 1)) && a11 == 1)) || (((1 == a5 && 1 == a6) && a11 == 1) && a27 <= 0)) || (((1 == a5 && a27 == 1) && a11 == 1) && a26 == 1)) || (((a27 == 1 && 1 == a5) && 1 == a6) && a11 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 302 locations, 1 error locations. Result: SAFE, OverallTime: 26.7s, OverallIterations: 12, TraceHistogramMax: 5, AutomataDifference: 17.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.9s, HoareTripleCheckerStatistics: 2551 SDtfs, 3417 SDslu, 376 SDs, 0 SdLazy, 8804 SolverSat, 1783 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1148 GetRequests, 1114 SyntacticMatches, 3 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23029occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.8s AutomataMinimizationTime, 12 MinimizatonAttempts, 8036 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 178 NumberOfFragments, 459 HoareAnnotationTreeSize, 3 FomulaSimplifications, 4642 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 3 FomulaSimplificationsInter, 3860 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 3972 NumberOfCodeBlocks, 3972 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 3956 ConstructedInterpolants, 0 QuantifiedInterpolants, 2241517 SizeOfPredicates, 1 NumberOfNonLiveVariables, 1906 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 16 InterpolantComputations, 12 PerfectInterpolantSequences, 1400/1412 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...