/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/locks/test_locks_15-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-23 22:06:43,107 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-23 22:06:43,110 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-23 22:06:43,124 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-11-23 22:06:43,178 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 22:06:43,190 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-23 22:06:43,190 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-23 22:06:43,191 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-23 22:06:43,192 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-23 22:06:43,192 INFO L138 SettingsManager]: * Use SBE=true [2019-11-23 22:06:43,192 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-23 22:06:43,192 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-23 22:06:43,192 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-23 22:06:43,193 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-23 22:06:43,193 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-23 22:06:43,193 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-23 22:06:43,193 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-23 22:06:43,193 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-23 22:06:43,193 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-23 22:06:43,194 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-23 22:06:43,194 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-23 22:06:43,194 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-23 22:06:43,194 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-23 22:06:43,194 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-23 22:06:43,195 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-23 22:06:43,195 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-23 22:06:43,195 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-23 22:06:43,195 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-23 22:06:43,195 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-23 22:06:43,196 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-23 22:06:43,196 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-23 22:06:43,196 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-23 22:06:43,196 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-23 22:06:43,196 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-23 22:06:43,196 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-23 22:06:43,456 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-23 22:06:43,474 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-23 22:06:43,477 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-23 22:06:43,478 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-23 22:06:43,478 INFO L275 PluginConnector]: CDTParser initialized [2019-11-23 22:06:43,479 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/locks/test_locks_15-1.c [2019-11-23 22:06:43,547 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f8c98858/c6bc6e068a144072afbf798746a57fa7/FLAG44995abda [2019-11-23 22:06:44,008 INFO L306 CDTParser]: Found 1 translation units. [2019-11-23 22:06:44,008 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/locks/test_locks_15-1.c [2019-11-23 22:06:44,018 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f8c98858/c6bc6e068a144072afbf798746a57fa7/FLAG44995abda [2019-11-23 22:06:44,371 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f8c98858/c6bc6e068a144072afbf798746a57fa7 [2019-11-23 22:06:44,379 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-23 22:06:44,380 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-23 22:06:44,381 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-23 22:06:44,382 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-23 22:06:44,385 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-23 22:06:44,386 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:06:44" (1/1) ... [2019-11-23 22:06:44,390 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@524cd1d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:06:44, skipping insertion in model container [2019-11-23 22:06:44,391 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:06:44" (1/1) ... [2019-11-23 22:06:44,398 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-23 22:06:44,429 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-23 22:06:44,619 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 22:06:44,624 INFO L203 MainTranslator]: Completed pre-run [2019-11-23 22:06:44,663 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 22:06:44,678 INFO L208 MainTranslator]: Completed translation [2019-11-23 22:06:44,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:06:44 WrapperNode [2019-11-23 22:06:44,679 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-23 22:06:44,680 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-23 22:06:44,680 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-23 22:06:44,680 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-23 22:06:44,782 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:06:44" (1/1) ... [2019-11-23 22:06:44,790 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:06:44" (1/1) ... [2019-11-23 22:06:44,828 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-23 22:06:44,828 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-23 22:06:44,829 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-23 22:06:44,829 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-23 22:06:44,836 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:06:44" (1/1) ... [2019-11-23 22:06:44,837 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:06:44" (1/1) ... [2019-11-23 22:06:44,838 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:06:44" (1/1) ... [2019-11-23 22:06:44,839 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:06:44" (1/1) ... [2019-11-23 22:06:44,843 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:06:44" (1/1) ... [2019-11-23 22:06:44,849 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:06:44" (1/1) ... [2019-11-23 22:06:44,851 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:06:44" (1/1) ... [2019-11-23 22:06:44,854 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-23 22:06:44,854 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-23 22:06:44,855 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-23 22:06:44,855 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-23 22:06:44,856 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:06:44" (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 22:06:44,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-23 22:06:44,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-23 22:06:45,354 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-23 22:06:45,354 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-23 22:06:45,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:06:45 BoogieIcfgContainer [2019-11-23 22:06:45,356 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-23 22:06:45,356 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-23 22:06:45,357 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-23 22:06:45,360 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-23 22:06:45,360 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:06:44" (1/3) ... [2019-11-23 22:06:45,361 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fb2b848 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:06:45, skipping insertion in model container [2019-11-23 22:06:45,361 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:06:44" (2/3) ... [2019-11-23 22:06:45,362 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fb2b848 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:06:45, skipping insertion in model container [2019-11-23 22:06:45,362 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:06:45" (3/3) ... [2019-11-23 22:06:45,364 INFO L109 eAbstractionObserver]: Analyzing ICFG test_locks_15-1.c [2019-11-23 22:06:45,374 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-23 22:06:45,382 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-23 22:06:45,394 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-23 22:06:45,428 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-23 22:06:45,429 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-23 22:06:45,429 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-23 22:06:45,430 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-23 22:06:45,430 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-23 22:06:45,432 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-23 22:06:45,432 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-23 22:06:45,433 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-23 22:06:45,451 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states. [2019-11-23 22:06:45,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-23 22:06:45,456 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 22:06:45,457 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] [2019-11-23 22:06:45,457 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 22:06:45,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 22:06:45,464 INFO L82 PathProgramCache]: Analyzing trace with hash 1323184238, now seen corresponding path program 1 times [2019-11-23 22:06:45,473 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 22:06:45,473 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587823953] [2019-11-23 22:06:45,473 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 22:06:45,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 22:06:45,672 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 22:06:45,673 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587823953] [2019-11-23 22:06:45,674 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 22:06:45,674 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 22:06:45,676 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889696515] [2019-11-23 22:06:45,682 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-23 22:06:45,682 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 22:06:45,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-23 22:06:45,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 22:06:45,699 INFO L87 Difference]: Start difference. First operand 54 states. Second operand 3 states. [2019-11-23 22:06:45,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 22:06:45,798 INFO L93 Difference]: Finished difference Result 159 states and 299 transitions. [2019-11-23 22:06:45,799 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-23 22:06:45,801 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 21 [2019-11-23 22:06:45,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 22:06:45,812 INFO L225 Difference]: With dead ends: 159 [2019-11-23 22:06:45,813 INFO L226 Difference]: Without dead ends: 98 [2019-11-23 22:06:45,816 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 22:06:45,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2019-11-23 22:06:45,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 96. [2019-11-23 22:06:45,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2019-11-23 22:06:45,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 182 transitions. [2019-11-23 22:06:45,873 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 182 transitions. Word has length 21 [2019-11-23 22:06:45,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 22:06:45,874 INFO L462 AbstractCegarLoop]: Abstraction has 96 states and 182 transitions. [2019-11-23 22:06:45,874 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-23 22:06:45,874 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 182 transitions. [2019-11-23 22:06:45,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-23 22:06:45,877 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 22:06:45,877 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] [2019-11-23 22:06:45,877 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 22:06:45,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 22:06:45,878 INFO L82 PathProgramCache]: Analyzing trace with hash 1323177046, now seen corresponding path program 1 times [2019-11-23 22:06:45,878 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 22:06:45,880 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628663264] [2019-11-23 22:06:45,880 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 22:06:45,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 22:06:46,033 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 22:06:46,034 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628663264] [2019-11-23 22:06:46,034 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 22:06:46,034 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 22:06:46,035 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884044855] [2019-11-23 22:06:46,036 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-23 22:06:46,037 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 22:06:46,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-23 22:06:46,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 22:06:46,038 INFO L87 Difference]: Start difference. First operand 96 states and 182 transitions. Second operand 3 states. [2019-11-23 22:06:46,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 22:06:46,059 INFO L93 Difference]: Finished difference Result 99 states and 185 transitions. [2019-11-23 22:06:46,060 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-23 22:06:46,060 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 21 [2019-11-23 22:06:46,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 22:06:46,062 INFO L225 Difference]: With dead ends: 99 [2019-11-23 22:06:46,062 INFO L226 Difference]: Without dead ends: 97 [2019-11-23 22:06:46,064 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 22:06:46,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2019-11-23 22:06:46,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2019-11-23 22:06:46,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2019-11-23 22:06:46,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 183 transitions. [2019-11-23 22:06:46,078 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 183 transitions. Word has length 21 [2019-11-23 22:06:46,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 22:06:46,078 INFO L462 AbstractCegarLoop]: Abstraction has 97 states and 183 transitions. [2019-11-23 22:06:46,078 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-23 22:06:46,079 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 183 transitions. [2019-11-23 22:06:46,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-23 22:06:46,080 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 22:06:46,080 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] [2019-11-23 22:06:46,081 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 22:06:46,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 22:06:46,081 INFO L82 PathProgramCache]: Analyzing trace with hash -670960468, now seen corresponding path program 1 times [2019-11-23 22:06:46,082 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 22:06:46,082 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571716982] [2019-11-23 22:06:46,083 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 22:06:46,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 22:06:46,148 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 22:06:46,150 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571716982] [2019-11-23 22:06:46,150 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 22:06:46,150 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 22:06:46,151 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476379511] [2019-11-23 22:06:46,151 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-23 22:06:46,152 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 22:06:46,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-23 22:06:46,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 22:06:46,154 INFO L87 Difference]: Start difference. First operand 97 states and 183 transitions. Second operand 3 states. [2019-11-23 22:06:46,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 22:06:46,188 INFO L93 Difference]: Finished difference Result 232 states and 436 transitions. [2019-11-23 22:06:46,190 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-23 22:06:46,190 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 21 [2019-11-23 22:06:46,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 22:06:46,192 INFO L225 Difference]: With dead ends: 232 [2019-11-23 22:06:46,192 INFO L226 Difference]: Without dead ends: 136 [2019-11-23 22:06:46,195 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 22:06:46,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2019-11-23 22:06:46,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 134. [2019-11-23 22:06:46,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2019-11-23 22:06:46,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 249 transitions. [2019-11-23 22:06:46,217 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 249 transitions. Word has length 21 [2019-11-23 22:06:46,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 22:06:46,220 INFO L462 AbstractCegarLoop]: Abstraction has 134 states and 249 transitions. [2019-11-23 22:06:46,220 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-23 22:06:46,220 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 249 transitions. [2019-11-23 22:06:46,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-23 22:06:46,221 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 22:06:46,221 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] [2019-11-23 22:06:46,222 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 22:06:46,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 22:06:46,223 INFO L82 PathProgramCache]: Analyzing trace with hash -670967660, now seen corresponding path program 1 times [2019-11-23 22:06:46,223 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 22:06:46,224 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850089907] [2019-11-23 22:06:46,224 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 22:06:46,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 22:06:46,294 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 22:06:46,294 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850089907] [2019-11-23 22:06:46,295 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 22:06:46,295 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 22:06:46,295 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316023543] [2019-11-23 22:06:46,296 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-23 22:06:46,296 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 22:06:46,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-23 22:06:46,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 22:06:46,297 INFO L87 Difference]: Start difference. First operand 134 states and 249 transitions. Second operand 3 states. [2019-11-23 22:06:46,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 22:06:46,328 INFO L93 Difference]: Finished difference Result 186 states and 340 transitions. [2019-11-23 22:06:46,330 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-23 22:06:46,330 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 21 [2019-11-23 22:06:46,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 22:06:46,334 INFO L225 Difference]: With dead ends: 186 [2019-11-23 22:06:46,334 INFO L226 Difference]: Without dead ends: 134 [2019-11-23 22:06:46,336 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 22:06:46,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2019-11-23 22:06:46,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 132. [2019-11-23 22:06:46,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2019-11-23 22:06:46,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 242 transitions. [2019-11-23 22:06:46,356 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 242 transitions. Word has length 21 [2019-11-23 22:06:46,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 22:06:46,357 INFO L462 AbstractCegarLoop]: Abstraction has 132 states and 242 transitions. [2019-11-23 22:06:46,357 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-23 22:06:46,357 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 242 transitions. [2019-11-23 22:06:46,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-23 22:06:46,360 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 22:06:46,360 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] [2019-11-23 22:06:46,360 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 22:06:46,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 22:06:46,361 INFO L82 PathProgramCache]: Analyzing trace with hash 2035658926, now seen corresponding path program 1 times [2019-11-23 22:06:46,361 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 22:06:46,362 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442648560] [2019-11-23 22:06:46,362 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 22:06:46,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-23 22:06:46,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-23 22:06:46,449 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-23 22:06:46,450 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-23 22:06:46,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 10:06:46 BoogieIcfgContainer [2019-11-23 22:06:46,504 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-23 22:06:46,507 INFO L168 Benchmark]: Toolchain (without parser) took 2125.43 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 104.3 MB in the beginning and 97.8 MB in the end (delta: 6.5 MB). Peak memory consumption was 64.1 MB. Max. memory is 7.1 GB. [2019-11-23 22:06:46,508 INFO L168 Benchmark]: CDTParser took 1.11 ms. Allocated memory is still 146.3 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-11-23 22:06:46,509 INFO L168 Benchmark]: CACSL2BoogieTranslator took 297.94 ms. Allocated memory is still 146.3 MB. Free memory was 104.0 MB in the beginning and 92.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. [2019-11-23 22:06:46,510 INFO L168 Benchmark]: Boogie Procedure Inliner took 148.48 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 92.5 MB in the beginning and 181.5 MB in the end (delta: -89.0 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-11-23 22:06:46,510 INFO L168 Benchmark]: Boogie Preprocessor took 25.60 ms. Allocated memory is still 203.9 MB. Free memory was 181.5 MB in the beginning and 179.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-11-23 22:06:46,511 INFO L168 Benchmark]: RCFGBuilder took 501.29 ms. Allocated memory is still 203.9 MB. Free memory was 179.5 MB in the beginning and 156.2 MB in the end (delta: 23.3 MB). Peak memory consumption was 23.3 MB. Max. memory is 7.1 GB. [2019-11-23 22:06:46,512 INFO L168 Benchmark]: TraceAbstraction took 1147.53 ms. Allocated memory is still 203.9 MB. Free memory was 155.5 MB in the beginning and 97.8 MB in the end (delta: 57.8 MB). Peak memory consumption was 57.8 MB. Max. memory is 7.1 GB. [2019-11-23 22:06:46,517 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.11 ms. Allocated memory is still 146.3 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 297.94 ms. Allocated memory is still 146.3 MB. Free memory was 104.0 MB in the beginning and 92.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 148.48 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 92.5 MB in the beginning and 181.5 MB in the end (delta: -89.0 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 25.60 ms. Allocated memory is still 203.9 MB. Free memory was 181.5 MB in the beginning and 179.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 501.29 ms. Allocated memory is still 203.9 MB. Free memory was 179.5 MB in the beginning and 156.2 MB in the end (delta: 23.3 MB). Peak memory consumption was 23.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1147.53 ms. Allocated memory is still 203.9 MB. Free memory was 155.5 MB in the beginning and 97.8 MB in the end (delta: 57.8 MB). Peak memory consumption was 57.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 231]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L6] int p1 = __VERIFIER_nondet_int(); [L7] int lk1; [L9] int p2 = __VERIFIER_nondet_int(); [L10] int lk2; [L12] int p3 = __VERIFIER_nondet_int(); [L13] int lk3; [L15] int p4 = __VERIFIER_nondet_int(); [L16] int lk4; [L18] int p5 = __VERIFIER_nondet_int(); [L19] int lk5; [L21] int p6 = __VERIFIER_nondet_int(); [L22] int lk6; [L24] int p7 = __VERIFIER_nondet_int(); [L25] int lk7; [L27] int p8 = __VERIFIER_nondet_int(); [L28] int lk8; [L30] int p9 = __VERIFIER_nondet_int(); [L31] int lk9; [L33] int p10 = __VERIFIER_nondet_int(); [L34] int lk10; [L36] int p11 = __VERIFIER_nondet_int(); [L37] int lk11; [L39] int p12 = __VERIFIER_nondet_int(); [L40] int lk12; [L42] int p13 = __VERIFIER_nondet_int(); [L43] int lk13; [L45] int p14 = __VERIFIER_nondet_int(); [L46] int lk14; [L48] int p15 = __VERIFIER_nondet_int(); [L49] int lk15; [L52] int cond; [L54] COND TRUE 1 [L55] cond = __VERIFIER_nondet_int() [L56] COND FALSE !(cond == 0) [L59] lk1 = 0 [L61] lk2 = 0 [L63] lk3 = 0 [L65] lk4 = 0 [L67] lk5 = 0 [L69] lk6 = 0 [L71] lk7 = 0 [L73] lk8 = 0 [L75] lk9 = 0 [L77] lk10 = 0 [L79] lk11 = 0 [L81] lk12 = 0 [L83] lk13 = 0 [L85] lk14 = 0 [L87] lk15 = 0 [L91] COND FALSE !(p1 != 0) [L95] COND FALSE !(p2 != 0) [L99] COND FALSE !(p3 != 0) [L103] COND TRUE p4 != 0 [L104] lk4 = 1 [L107] COND TRUE p5 != 0 [L108] lk5 = 1 [L111] COND TRUE p6 != 0 [L112] lk6 = 1 [L115] COND TRUE p7 != 0 [L116] lk7 = 1 [L119] COND TRUE p8 != 0 [L120] lk8 = 1 [L123] COND TRUE p9 != 0 [L124] lk9 = 1 [L127] COND TRUE p10 != 0 [L128] lk10 = 1 [L131] COND FALSE !(p11 != 0) [L135] COND TRUE p12 != 0 [L136] lk12 = 1 [L139] COND TRUE p13 != 0 [L140] lk13 = 1 [L143] COND TRUE p14 != 0 [L144] lk14 = 1 [L147] COND TRUE p15 != 0 [L148] lk15 = 1 [L153] COND FALSE !(p1 != 0) [L158] COND FALSE !(p2 != 0) [L231] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 54 locations, 1 error locations. Result: UNSAFE, OverallTime: 1.0s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 471 SDtfs, 244 SDslu, 303 SDs, 0 SdLazy, 20 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=134occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 6 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 105 NumberOfCodeBlocks, 105 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 80 ConstructedInterpolants, 0 QuantifiedInterpolants, 4640 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 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 incorrect! Received shutdown request...