/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/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-06 21:21:35,810 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 21:21:35,814 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 21:21:35,833 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-06 21:21:35,833 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-06 21:21:35,835 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-06 21:21:35,837 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-06 21:21:35,847 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-06 21:21:35,851 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-06 21:21:35,854 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-06 21:21:35,856 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-06 21:21:35,857 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-06 21:21:35,858 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 21:21:35,859 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 21:21:35,861 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 21:21:35,863 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 21:21:35,865 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 21:21:35,866 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 21:21:35,867 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 21:21:35,872 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 21:21:35,877 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 21:21:35,879 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 21:21:35,882 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 21:21:35,883 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 21:21:35,885 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-06 21:21:35,895 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 21:21:35,896 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 21:21:35,897 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 21:21:35,898 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 [2019-11-06 21:21:35,930 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 21:21:35,930 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 21:21:35,933 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 21:21:35,933 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 21:21:35,934 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 21:21:35,934 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 21:21:35,934 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 21:21:35,934 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 21:21:35,934 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 21:21:35,934 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 21:21:35,935 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 21:21:35,935 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 21:21:35,935 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 21:21:35,935 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 21:21:35,935 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 21:21:35,936 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 21:21:35,938 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 21:21:35,938 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 21:21:35,938 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 21:21:35,938 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 21:21:35,939 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 21:21:35,939 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 21:21:35,939 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 21:21:35,939 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 21:21:35,940 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 21:21:35,940 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 21:21:35,940 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 21:21:35,940 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 21:21:35,940 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-06 21:21:36,216 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 21:21:36,229 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 21:21:36,232 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 21:21:36,234 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 21:21:36,234 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 21:21:36,235 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+cfa-reducer.c [2019-11-06 21:21:36,297 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5982ba31b/153817841ce449d0a41d8bf7fbba7018/FLAGdd79e29be [2019-11-06 21:21:36,764 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 21:21:36,766 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+cfa-reducer.c [2019-11-06 21:21:36,778 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5982ba31b/153817841ce449d0a41d8bf7fbba7018/FLAGdd79e29be [2019-11-06 21:21:37,132 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5982ba31b/153817841ce449d0a41d8bf7fbba7018 [2019-11-06 21:21:37,145 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 21:21:37,147 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 21:21:37,151 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 21:21:37,152 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 21:21:37,155 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 21:21:37,156 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:21:37" (1/1) ... [2019-11-06 21:21:37,159 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72f1ad2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:21:37, skipping insertion in model container [2019-11-06 21:21:37,159 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:21:37" (1/1) ... [2019-11-06 21:21:37,167 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 21:21:37,195 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 21:21:37,500 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:21:37,525 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 21:21:37,673 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:21:37,690 INFO L192 MainTranslator]: Completed translation [2019-11-06 21:21:37,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:21:37 WrapperNode [2019-11-06 21:21:37,691 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 21:21:37,692 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 21:21:37,692 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 21:21:37,692 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 21:21:37,706 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:21:37" (1/1) ... [2019-11-06 21:21:37,706 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:21:37" (1/1) ... [2019-11-06 21:21:37,724 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:21:37" (1/1) ... [2019-11-06 21:21:37,725 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:21:37" (1/1) ... [2019-11-06 21:21:37,758 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:21:37" (1/1) ... [2019-11-06 21:21:37,762 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:21:37" (1/1) ... [2019-11-06 21:21:37,766 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:21:37" (1/1) ... [2019-11-06 21:21:37,772 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 21:21:37,772 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 21:21:37,772 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 21:21:37,773 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 21:21:37,774 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:21:37" (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 [2019-11-06 21:21:37,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 21:21:37,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 21:21:37,851 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 21:21:37,852 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 21:21:37,852 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2019-11-06 21:21:37,853 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2019-11-06 21:21:37,853 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 21:21:37,853 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-11-06 21:21:37,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-06 21:21:37,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-06 21:21:37,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-06 21:21:37,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-06 21:21:37,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-06 21:21:37,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 21:21:37,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 21:21:37,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-06 21:21:37,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-06 21:21:38,566 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 21:21:38,567 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-11-06 21:21:38,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:21:38 BoogieIcfgContainer [2019-11-06 21:21:38,568 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 21:21:38,570 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 21:21:38,570 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 21:21:38,573 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 21:21:38,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:21:37" (1/3) ... [2019-11-06 21:21:38,574 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c9404cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:21:38, skipping insertion in model container [2019-11-06 21:21:38,575 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:21:37" (2/3) ... [2019-11-06 21:21:38,576 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c9404cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:21:38, skipping insertion in model container [2019-11-06 21:21:38,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:21:38" (3/3) ... [2019-11-06 21:21:38,579 INFO L109 eAbstractionObserver]: Analyzing ICFG aiob_4.c.v+cfa-reducer.c [2019-11-06 21:21:38,590 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 21:21:38,599 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 21:21:38,611 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 21:21:38,648 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 21:21:38,648 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 21:21:38,648 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 21:21:38,649 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 21:21:38,649 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 21:21:38,649 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 21:21:38,649 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 21:21:38,650 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 21:21:38,672 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2019-11-06 21:21:38,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-06 21:21:38,679 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:21:38,680 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 21:21:38,684 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:21:38,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:21:38,690 INFO L82 PathProgramCache]: Analyzing trace with hash 316900320, now seen corresponding path program 1 times [2019-11-06 21:21:38,700 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:21:38,700 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633336146] [2019-11-06 21:21:38,701 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:21:38,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:21:39,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:21:39,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 21:21:39,184 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633336146] [2019-11-06 21:21:39,185 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:21:39,186 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-06 21:21:39,187 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322186500] [2019-11-06 21:21:39,192 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-06 21:21:39,192 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:21:39,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-06 21:21:39,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-06 21:21:39,207 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 5 states. [2019-11-06 21:21:39,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 21:21:39,440 INFO L93 Difference]: Finished difference Result 46 states and 56 transitions. [2019-11-06 21:21:39,441 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-06 21:21:39,442 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2019-11-06 21:21:39,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 21:21:39,453 INFO L225 Difference]: With dead ends: 46 [2019-11-06 21:21:39,453 INFO L226 Difference]: Without dead ends: 24 [2019-11-06 21:21:39,456 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-11-06 21:21:39,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2019-11-06 21:21:39,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 18. [2019-11-06 21:21:39,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-11-06 21:21:39,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 19 transitions. [2019-11-06 21:21:39,505 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 19 transitions. Word has length 13 [2019-11-06 21:21:39,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 21:21:39,506 INFO L462 AbstractCegarLoop]: Abstraction has 18 states and 19 transitions. [2019-11-06 21:21:39,506 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-06 21:21:39,506 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2019-11-06 21:21:39,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-06 21:21:39,507 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:21:39,508 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 21:21:39,508 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:21:39,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:21:39,508 INFO L82 PathProgramCache]: Analyzing trace with hash 316483246, now seen corresponding path program 1 times [2019-11-06 21:21:39,509 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:21:39,509 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342648066] [2019-11-06 21:21:39,509 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:21:39,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:21:39,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:21:39,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 21:21:39,674 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342648066] [2019-11-06 21:21:39,675 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:21:39,675 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-06 21:21:39,675 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187935953] [2019-11-06 21:21:39,677 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-06 21:21:39,677 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:21:39,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-06 21:21:39,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-06 21:21:39,678 INFO L87 Difference]: Start difference. First operand 18 states and 19 transitions. Second operand 5 states. [2019-11-06 21:21:39,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 21:21:39,766 INFO L93 Difference]: Finished difference Result 28 states and 30 transitions. [2019-11-06 21:21:39,767 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-06 21:21:39,767 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2019-11-06 21:21:39,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 21:21:39,768 INFO L225 Difference]: With dead ends: 28 [2019-11-06 21:21:39,769 INFO L226 Difference]: Without dead ends: 26 [2019-11-06 21:21:39,770 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-06 21:21:39,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2019-11-06 21:21:39,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 20. [2019-11-06 21:21:39,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2019-11-06 21:21:39,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 21 transitions. [2019-11-06 21:21:39,778 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 21 transitions. Word has length 13 [2019-11-06 21:21:39,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 21:21:39,778 INFO L462 AbstractCegarLoop]: Abstraction has 20 states and 21 transitions. [2019-11-06 21:21:39,778 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-06 21:21:39,779 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2019-11-06 21:21:39,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-06 21:21:39,780 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:21:39,780 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 21:21:39,781 INFO L410 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:21:39,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:21:39,781 INFO L82 PathProgramCache]: Analyzing trace with hash 625969832, now seen corresponding path program 1 times [2019-11-06 21:21:39,782 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:21:39,783 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501434085] [2019-11-06 21:21:39,783 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:21:39,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:21:39,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:21:39,979 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 21:21:39,979 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501434085] [2019-11-06 21:21:39,979 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1984538750] [2019-11-06 21:21:39,980 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 [2019-11-06 21:21:40,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:21:40,138 INFO L256 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-06 21:21:40,147 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 21:21:40,211 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 21:21:40,211 INFO L218 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-06 21:21:40,211 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 7 [2019-11-06 21:21:40,213 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499903268] [2019-11-06 21:21:40,213 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-06 21:21:40,214 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:21:40,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-06 21:21:40,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-06 21:21:40,217 INFO L87 Difference]: Start difference. First operand 20 states and 21 transitions. Second operand 7 states. [2019-11-06 21:21:40,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 21:21:40,443 INFO L93 Difference]: Finished difference Result 40 states and 43 transitions. [2019-11-06 21:21:40,444 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-06 21:21:40,444 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2019-11-06 21:21:40,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 21:21:40,445 INFO L225 Difference]: With dead ends: 40 [2019-11-06 21:21:40,445 INFO L226 Difference]: Without dead ends: 30 [2019-11-06 21:21:40,446 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 19 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2019-11-06 21:21:40,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2019-11-06 21:21:40,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 26. [2019-11-06 21:21:40,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-11-06 21:21:40,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 27 transitions. [2019-11-06 21:21:40,458 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 27 transitions. Word has length 19 [2019-11-06 21:21:40,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 21:21:40,458 INFO L462 AbstractCegarLoop]: Abstraction has 26 states and 27 transitions. [2019-11-06 21:21:40,459 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-06 21:21:40,459 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2019-11-06 21:21:40,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-06 21:21:40,461 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:21:40,461 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 21:21:40,666 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 21:21:40,667 INFO L410 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:21:40,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:21:40,667 INFO L82 PathProgramCache]: Analyzing trace with hash 1878874992, now seen corresponding path program 2 times [2019-11-06 21:21:40,668 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:21:40,668 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220320794] [2019-11-06 21:21:40,668 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:21:40,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:21:40,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:21:40,895 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 21:21:40,895 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220320794] [2019-11-06 21:21:40,896 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [542334581] [2019-11-06 21:21:40,896 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 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 [2019-11-06 21:21:41,068 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-11-06 21:21:41,068 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-06 21:21:41,071 INFO L256 TraceCheckSpWp]: Trace formula consists of 446 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-06 21:21:41,074 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 21:21:41,115 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 21:21:41,116 INFO L218 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-06 21:21:41,116 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 8 [2019-11-06 21:21:41,116 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892924001] [2019-11-06 21:21:41,118 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-06 21:21:41,118 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:21:41,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-06 21:21:41,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-11-06 21:21:41,119 INFO L87 Difference]: Start difference. First operand 26 states and 27 transitions. Second operand 8 states. [2019-11-06 21:21:41,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 21:21:41,378 INFO L93 Difference]: Finished difference Result 46 states and 49 transitions. [2019-11-06 21:21:41,379 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-06 21:21:41,379 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 25 [2019-11-06 21:21:41,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 21:21:41,380 INFO L225 Difference]: With dead ends: 46 [2019-11-06 21:21:41,380 INFO L226 Difference]: Without dead ends: 36 [2019-11-06 21:21:41,381 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 25 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2019-11-06 21:21:41,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2019-11-06 21:21:41,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 32. [2019-11-06 21:21:41,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2019-11-06 21:21:41,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 33 transitions. [2019-11-06 21:21:41,387 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 33 transitions. Word has length 25 [2019-11-06 21:21:41,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 21:21:41,388 INFO L462 AbstractCegarLoop]: Abstraction has 32 states and 33 transitions. [2019-11-06 21:21:41,388 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-06 21:21:41,388 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2019-11-06 21:21:41,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-06 21:21:41,389 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:21:41,389 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 21:21:41,602 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 21:21:41,603 INFO L410 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:21:41,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:21:41,603 INFO L82 PathProgramCache]: Analyzing trace with hash -1460832712, now seen corresponding path program 3 times [2019-11-06 21:21:41,604 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:21:41,604 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138441406] [2019-11-06 21:21:41,604 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:21:41,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:21:41,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:21:41,801 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 21:21:41,801 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138441406] [2019-11-06 21:21:41,802 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [542627307] [2019-11-06 21:21:41,802 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 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 [2019-11-06 21:21:42,044 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2019-11-06 21:21:42,044 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-06 21:21:42,046 INFO L256 TraceCheckSpWp]: Trace formula consists of 446 conjuncts, 21 conjunts are in the unsatisfiable core [2019-11-06 21:21:42,050 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 21:21:42,112 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-06 21:21:42,173 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-06 21:21:42,174 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 29 [2019-11-06 21:21:42,175 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-06 21:21:42,180 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-06 21:21:42,180 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-06 21:21:42,201 INFO L567 ElimStorePlain]: treesize reduction 5, result has 78.3 percent of original size [2019-11-06 21:21:42,202 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-06 21:21:42,202 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:62, output treesize:18 [2019-11-06 21:21:42,228 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-06 21:21:42,304 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 14 proven. 11 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-06 21:21:42,305 INFO L218 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-06 21:21:42,306 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2019-11-06 21:21:42,306 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703025078] [2019-11-06 21:21:42,307 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-11-06 21:21:42,307 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:21:42,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-11-06 21:21:42,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2019-11-06 21:21:42,308 INFO L87 Difference]: Start difference. First operand 32 states and 33 transitions. Second operand 14 states. [2019-11-06 21:21:43,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 21:21:43,138 INFO L93 Difference]: Finished difference Result 52 states and 56 transitions. [2019-11-06 21:21:43,138 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-11-06 21:21:43,139 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 31 [2019-11-06 21:21:43,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 21:21:43,139 INFO L225 Difference]: With dead ends: 52 [2019-11-06 21:21:43,139 INFO L226 Difference]: Without dead ends: 0 [2019-11-06 21:21:43,140 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 27 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=157, Invalid=545, Unknown=0, NotChecked=0, Total=702 [2019-11-06 21:21:43,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-06 21:21:43,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-06 21:21:43,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-06 21:21:43,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-06 21:21:43,142 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 31 [2019-11-06 21:21:43,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 21:21:43,142 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-06 21:21:43,142 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-11-06 21:21:43,142 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-06 21:21:43,142 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-06 21:21:43,343 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 21:21:43,349 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-06 21:21:43,576 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 34 [2019-11-06 21:21:43,730 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 45 [2019-11-06 21:21:43,733 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-11-06 21:21:43,734 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string0.base| |old(#t~string0.base)|) (= ~__return_main~0 |old(~__return_main~0)|) (= |#t~string1.offset| |old(#t~string1.offset)|) (= |#t~string0.offset| |old(#t~string0.offset)|) (= ~Id_MCDC_93~0 |old(~Id_MCDC_93~0)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |old(#length)| |#length|)) [2019-11-06 21:21:43,734 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-06 21:21:43,734 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-06 21:21:43,734 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= ~Id_MCDC_93~0 0) [2019-11-06 21:21:43,734 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-06 21:21:43,735 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-06 21:21:43,735 INFO L443 ceAbstractionStarter]: For program point L159(lines 159 222) no Hoare annotation was computed. [2019-11-06 21:21:43,735 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 131 223) no Hoare annotation was computed. [2019-11-06 21:21:43,735 INFO L443 ceAbstractionStarter]: For program point L180(lines 180 215) no Hoare annotation was computed. [2019-11-06 21:21:43,735 INFO L443 ceAbstractionStarter]: For program point L178(lines 178 220) no Hoare annotation was computed. [2019-11-06 21:21:43,735 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 131 223) no Hoare annotation was computed. [2019-11-06 21:21:43,736 INFO L443 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 191) no Hoare annotation was computed. [2019-11-06 21:21:43,736 INFO L443 ceAbstractionStarter]: For program point L197(lines 197 207) no Hoare annotation was computed. [2019-11-06 21:21:43,736 INFO L443 ceAbstractionStarter]: For program point L191(line 191) no Hoare annotation was computed. [2019-11-06 21:21:43,736 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 131 223) the Hoare annotation is: (or (not (= 0 |old(~Id_MCDC_93~0)|)) (and (= ~Id_MCDC_93~0 0) (= |#valid| |old(#valid)|) (= |old(#length)| |#length|))) [2019-11-06 21:21:43,736 INFO L443 ceAbstractionStarter]: For program point L189(lines 189 208) no Hoare annotation was computed. [2019-11-06 21:21:43,737 INFO L439 ceAbstractionStarter]: At program point L214(lines 180 215) the Hoare annotation is: (let ((.cse0 (= main_~Id_MCDC_89____CPAchecker_TMP_1~0 1)) (.cse1 (= |main_~#Id_MCDC_89__Id_MCDC_95~0.offset| 0)) (.cse2 (= 0 (select (select |#memory_int| |main_~#Id_MCDC_89__Id_MCDC_95~0.base|) (+ |main_~#Id_MCDC_89__Id_MCDC_95~0.offset| 492)))) (.cse3 (= ~Id_MCDC_93~0 main_~Id_MCDC_89__Id_MCDC_96~0))) (or (not (= 0 |old(~Id_MCDC_93~0)|)) (and .cse0 .cse1 .cse2 (<= ~Id_MCDC_93~0 1) (< 0 (+ (div ~Id_MCDC_93~0 4294967296) 1)) .cse3) (and .cse0 .cse1 .cse2 (< (mod ~Id_MCDC_93~0 4294967296) 42) (< (mod (+ main_~Id_MCDC_89__Id_MCDC_96~0 4294967295) 4294967296) 42) .cse3))) [2019-11-06 21:21:43,737 INFO L439 ceAbstractionStarter]: At program point L202(lines 165 221) the Hoare annotation is: (let ((.cse0 (= |main_~#Id_MCDC_89__Id_MCDC_95~0.offset| 0)) (.cse1 (= 0 (select (select |#memory_int| |main_~#Id_MCDC_89__Id_MCDC_95~0.base|) (+ |main_~#Id_MCDC_89__Id_MCDC_95~0.offset| 492))))) (or (not (= 0 |old(~Id_MCDC_93~0)|)) (and .cse0 (= ~Id_MCDC_93~0 0) .cse1 (= 0 main_~Id_MCDC_89__Id_MCDC_96~0)) (let ((.cse2 (mod (+ ~Id_MCDC_93~0 4294967295) 4294967296)) (.cse3 (mod (+ main_~Id_MCDC_89__Id_MCDC_96~0 4294967295) 4294967296))) (and (not (= (* 12 .cse2) 492)) (< .cse2 42) .cse0 (not (= 492 (* 12 .cse3))) .cse1 (< .cse3 42))) (and (<= main_~Id_MCDC_89__Id_MCDC_96~0 1) .cse0 (<= 1 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1 (< 0 (+ (div ~Id_MCDC_93~0 4294967296) 1)) (<= ~Id_MCDC_93~0 3)))) [2019-11-06 21:21:43,746 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-06 21:21:43,747 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-06 21:21:43,754 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-06 21:21:43,754 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-06 21:21:43,756 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-06 21:21:43,756 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-06 21:21:43,757 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-06 21:21:43,758 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-06 21:21:43,758 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-06 21:21:43,758 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-06 21:21:43,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 09:21:43 BoogieIcfgContainer [2019-11-06 21:21:43,761 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-06 21:21:43,763 INFO L168 Benchmark]: Toolchain (without parser) took 6616.72 ms. Allocated memory was 139.5 MB in the beginning and 317.7 MB in the end (delta: 178.3 MB). Free memory was 103.3 MB in the beginning and 141.9 MB in the end (delta: -38.6 MB). Peak memory consumption was 139.7 MB. Max. memory is 7.1 GB. [2019-11-06 21:21:43,764 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 139.5 MB. Free memory was 122.7 MB in the beginning and 122.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-06 21:21:43,765 INFO L168 Benchmark]: CACSL2BoogieTranslator took 540.15 ms. Allocated memory was 139.5 MB in the beginning and 220.7 MB in the end (delta: 81.3 MB). Free memory was 103.1 MB in the beginning and 202.0 MB in the end (delta: -98.9 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. [2019-11-06 21:21:43,766 INFO L168 Benchmark]: Boogie Preprocessor took 80.07 ms. Allocated memory is still 220.7 MB. Free memory was 202.0 MB in the beginning and 197.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-11-06 21:21:43,767 INFO L168 Benchmark]: RCFGBuilder took 796.13 ms. Allocated memory is still 220.7 MB. Free memory was 197.9 MB in the beginning and 125.3 MB in the end (delta: 72.6 MB). Peak memory consumption was 72.6 MB. Max. memory is 7.1 GB. [2019-11-06 21:21:43,768 INFO L168 Benchmark]: TraceAbstraction took 5191.62 ms. Allocated memory was 220.7 MB in the beginning and 317.7 MB in the end (delta: 97.0 MB). Free memory was 125.3 MB in the beginning and 141.9 MB in the end (delta: -16.6 MB). Peak memory consumption was 80.4 MB. Max. memory is 7.1 GB. [2019-11-06 21:21:43,772 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 139.5 MB. Free memory was 122.7 MB in the beginning and 122.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 540.15 ms. Allocated memory was 139.5 MB in the beginning and 220.7 MB in the end (delta: 81.3 MB). Free memory was 103.1 MB in the beginning and 202.0 MB in the end (delta: -98.9 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 80.07 ms. Allocated memory is still 220.7 MB. Free memory was 202.0 MB in the beginning and 197.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 796.13 ms. Allocated memory is still 220.7 MB. Free memory was 197.9 MB in the beginning and 125.3 MB in the end (delta: 72.6 MB). Peak memory consumption was 72.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5191.62 ms. Allocated memory was 220.7 MB in the beginning and 317.7 MB in the end (delta: 97.0 MB). Free memory was 125.3 MB in the beginning and 141.9 MB in the end (delta: -16.6 MB). Peak memory consumption was 80.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 191]: 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: 180]: Loop Invariant [2019-11-06 21:21:43,782 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-06 21:21:43,782 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-06 21:21:43,783 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-06 21:21:43,783 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: (!(0 == \old(Id_MCDC_93)) || (((((Id_MCDC_89____CPAchecker_TMP_1 == 1 && Id_MCDC_89__Id_MCDC_95 == 0) && 0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492]) && Id_MCDC_93 <= 1) && 0 < Id_MCDC_93 / 4294967296 + 1) && Id_MCDC_93 == Id_MCDC_89__Id_MCDC_96)) || (((((Id_MCDC_89____CPAchecker_TMP_1 == 1 && Id_MCDC_89__Id_MCDC_95 == 0) && 0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492]) && Id_MCDC_93 % 4294967296 < 42) && (Id_MCDC_89__Id_MCDC_96 + 4294967295) % 4294967296 < 42) && Id_MCDC_93 == Id_MCDC_89__Id_MCDC_96) - InvariantResult [Line: 165]: Loop Invariant [2019-11-06 21:21:43,785 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-06 21:21:43,785 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-06 21:21:43,785 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-06 21:21:43,786 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-06 21:21:43,786 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-06 21:21:43,786 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: ((!(0 == \old(Id_MCDC_93)) || (((Id_MCDC_89__Id_MCDC_95 == 0 && Id_MCDC_93 == 0) && 0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492]) && 0 == Id_MCDC_89__Id_MCDC_96)) || (((((!(12 * ((Id_MCDC_93 + 4294967295) % 4294967296) == 492) && (Id_MCDC_93 + 4294967295) % 4294967296 < 42) && Id_MCDC_89__Id_MCDC_95 == 0) && !(492 == 12 * ((Id_MCDC_89__Id_MCDC_96 + 4294967295) % 4294967296))) && 0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492]) && (Id_MCDC_89__Id_MCDC_96 + 4294967295) % 4294967296 < 42)) || (((((Id_MCDC_89__Id_MCDC_96 <= 1 && Id_MCDC_89__Id_MCDC_95 == 0) && 1 <= Id_MCDC_89__Id_MCDC_96) && 0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492]) && 0 < Id_MCDC_93 / 4294967296 + 1) && Id_MCDC_93 <= 3) - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 19 locations, 1 error locations. Result: SAFE, OverallTime: 5.0s, OverallIterations: 5, TraceHistogramMax: 4, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, HoareTripleCheckerStatistics: 64 SDtfs, 154 SDslu, 159 SDs, 0 SdLazy, 394 SolverSat, 61 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 137 GetRequests, 77 SyntacticMatches, 6 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=32occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 20 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 6 PreInvPairs, 18 NumberOfFragments, 221 HoareAnnotationTreeSize, 6 FomulaSimplifications, 360 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 408 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 176 NumberOfCodeBlocks, 170 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 168 ConstructedInterpolants, 0 QuantifiedInterpolants, 24168 SizeOfPredicates, 14 NumberOfNonLiveVariables, 1316 ConjunctsInSsa, 37 ConjunctsInUnsatCore, 8 InterpolantComputations, 2 PerfectInterpolantSequences, 40/108 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...