/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Random521.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/inc-subseq-array.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-10 14:56:13,845 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-10 14:56:13,847 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-10 14:56:13,876 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-10 14:56:13,893 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-10 14:56:13,894 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-10 14:56:13,895 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-10 14:56:13,896 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-10 14:56:13,898 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-10 14:56:13,899 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-10 14:56:13,900 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-10 14:56:13,904 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-10 14:56:13,906 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-10 14:56:13,907 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-10 14:56:13,908 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-10 14:56:13,909 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-10 14:56:13,914 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-07-10 14:56:13,922 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-10 14:56:13,923 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-10 14:56:13,923 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-10 14:56:13,924 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Random521.epf [2021-07-10 14:56:13,952 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-10 14:56:13,952 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-10 14:56:13,953 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-10 14:56:13,953 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-10 14:56:13,955 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-10 14:56:13,955 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-10 14:56:13,955 INFO L138 SettingsManager]: * Use SBE=true [2021-07-10 14:56:13,955 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-10 14:56:13,955 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-10 14:56:13,956 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-10 14:56:13,956 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-10 14:56:13,956 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-10 14:56:13,956 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-10 14:56:13,957 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-10 14:56:13,957 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-10 14:56:13,957 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-10 14:56:13,957 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-10 14:56:13,957 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-10 14:56:13,957 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-10 14:56:13,957 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-10 14:56:13,957 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-10 14:56:13,958 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-10 14:56:13,958 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-10 14:56:13,958 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 14:56:13,958 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-10 14:56:13,958 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-10 14:56:13,958 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-10 14:56:13,958 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-10 14:56:13,958 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-07-10 14:56:13,958 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-10 14:56:13,959 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-10 14:56:13,959 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-10 14:56:13,966 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-10 14:56:13,967 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-10 14:56:13,967 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-10 14:56:13,967 INFO L138 SettingsManager]: * Random seed used by POR DFS order=521 WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-10 14:56:14,259 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-10 14:56:14,282 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-10 14:56:14,284 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-10 14:56:14,285 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-10 14:56:14,286 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-10 14:56:14,287 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/inc-subseq-array.wvr.bpl [2021-07-10 14:56:14,287 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/inc-subseq-array.wvr.bpl' [2021-07-10 14:56:14,314 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-10 14:56:14,316 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-10 14:56:14,317 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-10 14:56:14,317 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-10 14:56:14,317 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-10 14:56:14,329 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:56:14" (1/1) ... [2021-07-10 14:56:14,337 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:56:14" (1/1) ... [2021-07-10 14:56:14,344 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-10 14:56:14,345 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-10 14:56:14,345 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-10 14:56:14,345 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-10 14:56:14,352 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:56:14" (1/1) ... [2021-07-10 14:56:14,353 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:56:14" (1/1) ... [2021-07-10 14:56:14,354 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:56:14" (1/1) ... [2021-07-10 14:56:14,354 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:56:14" (1/1) ... [2021-07-10 14:56:14,357 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:56:14" (1/1) ... [2021-07-10 14:56:14,362 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:56:14" (1/1) ... [2021-07-10 14:56:14,363 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:56:14" (1/1) ... [2021-07-10 14:56:14,364 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-10 14:56:14,366 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-10 14:56:14,366 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-10 14:56:14,366 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-10 14:56:14,367 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:56:14" (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 [2021-07-10 14:56:14,515 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-10 14:56:14,515 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-10 14:56:14,515 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-10 14:56:14,515 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-10 14:56:14,515 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-10 14:56:14,515 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-10 14:56:14,516 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-10 14:56:14,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-10 14:56:14,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-10 14:56:14,517 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-10 14:56:14,724 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-10 14:56:14,724 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-10 14:56:14,725 INFO L202 PluginConnector]: Adding new model inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 02:56:14 BoogieIcfgContainer [2021-07-10 14:56:14,726 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-10 14:56:14,727 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-10 14:56:14,727 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-10 14:56:14,729 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-10 14:56:14,729 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:56:14" (1/2) ... [2021-07-10 14:56:14,729 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28aa13e and model type inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 02:56:14, skipping insertion in model container [2021-07-10 14:56:14,730 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 02:56:14" (2/2) ... [2021-07-10 14:56:14,730 INFO L111 eAbstractionObserver]: Analyzing ICFG inc-subseq-array.wvr.bpl [2021-07-10 14:56:14,734 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-10 14:56:14,734 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-10 14:56:14,734 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-10 14:56:14,735 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-10 14:56:14,794 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-10 14:56:14,825 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-10 14:56:14,968 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 14:56:14,968 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 14:56:14,968 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 14:56:14,968 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 14:56:14,968 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 14:56:14,968 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 14:56:14,969 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 14:56:14,969 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-10 14:56:15,100 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:56:15,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:56:15,108 INFO L82 PathProgramCache]: Analyzing trace with hash -776643309, now seen corresponding path program 1 times [2021-07-10 14:56:15,114 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:56:15,114 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867698865] [2021-07-10 14:56:15,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:56:15,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:56:15,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:56:15,224 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:56:15,224 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867698865] [2021-07-10 14:56:15,225 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [867698865] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 14:56:15,225 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 14:56:15,225 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-10 14:56:15,225 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711608189] [2021-07-10 14:56:15,228 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-10 14:56:15,228 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:56:15,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-10 14:56:15,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-10 14:56:15,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:56:15,242 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:56:15,244 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 14:56:15,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:56:15,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:56:15,283 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-10 14:56:15,283 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:56:15,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:56:15,286 INFO L82 PathProgramCache]: Analyzing trace with hash 69506966, now seen corresponding path program 1 times [2021-07-10 14:56:15,286 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:56:15,286 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996170250] [2021-07-10 14:56:15,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:56:15,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:56:15,322 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:56:15,322 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:56:15,322 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996170250] [2021-07-10 14:56:15,322 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996170250] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 14:56:15,322 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 14:56:15,322 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-10 14:56:15,323 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323762136] [2021-07-10 14:56:15,324 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-10 14:56:15,324 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:56:15,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-10 14:56:15,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-10 14:56:15,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:56:15,327 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:56:15,328 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 14:56:15,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:56:15,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:56:15,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:56:15,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:56:15,384 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-10 14:56:15,384 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:56:15,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:56:15,385 INFO L82 PathProgramCache]: Analyzing trace with hash -1133445196, now seen corresponding path program 1 times [2021-07-10 14:56:15,385 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:56:15,385 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504747790] [2021-07-10 14:56:15,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:56:15,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:56:15,446 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:56:15,446 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:56:15,446 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504747790] [2021-07-10 14:56:15,447 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504747790] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:56:15,447 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [83547502] [2021-07-10 14:56:15,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:56:15,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:56:15,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2021-07-10 14:56:15,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:56:15,571 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:56:15,571 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [83547502] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 14:56:15,571 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-07-10 14:56:15,571 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2021-07-10 14:56:15,572 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170722543] [2021-07-10 14:56:15,572 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-10 14:56:15,572 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:56:15,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-10 14:56:15,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-10 14:56:15,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:56:15,573 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:56:15,573 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 14:56:15,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:56:15,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:56:15,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:56:15,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:56:15,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:56:15,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:56:15,819 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:56:15,819 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:56:15,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:56:15,820 INFO L82 PathProgramCache]: Analyzing trace with hash 927414606, now seen corresponding path program 2 times [2021-07-10 14:56:15,820 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:56:15,820 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832293533] [2021-07-10 14:56:15,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:56:15,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:56:15,937 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:56:15,937 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:56:15,938 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832293533] [2021-07-10 14:56:15,938 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832293533] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:56:15,938 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1396590704] [2021-07-10 14:56:15,938 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 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 [2021-07-10 14:56:16,013 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 14:56:16,014 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:56:16,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-10 14:56:16,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:56:16,208 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-07-10 14:56:16,211 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 14:56:16,215 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 14:56:16,217 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 14:56:16,218 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:7 [2021-07-10 14:56:16,248 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-07-10 14:56:16,250 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 14:56:16,254 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 14:56:16,255 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 14:56:16,255 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2021-07-10 14:56:16,280 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:56:16,281 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1396590704] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:56:16,281 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:56:16,281 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 12 [2021-07-10 14:56:16,281 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337978378] [2021-07-10 14:56:16,282 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-10 14:56:16,282 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:56:16,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-10 14:56:16,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2021-07-10 14:56:16,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:56:16,283 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:56:16,283 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 2.6153846153846154) internal successors, (34), 12 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 14:56:16,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:56:16,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:56:16,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:56:16,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:56:16,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:56:16,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:56:16,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:56:16,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:56:16,642 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:56:16,643 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:56:16,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:56:16,643 INFO L82 PathProgramCache]: Analyzing trace with hash 1430586283, now seen corresponding path program 3 times [2021-07-10 14:56:16,644 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:56:16,644 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519146046] [2021-07-10 14:56:16,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:56:16,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:56:16,682 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:56:16,682 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:56:16,682 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519146046] [2021-07-10 14:56:16,682 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519146046] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:56:16,682 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2078713683] [2021-07-10 14:56:16,683 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:56:16,761 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-10 14:56:16,761 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:56:16,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 4 conjunts are in the unsatisfiable core [2021-07-10 14:56:16,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:56:16,830 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 14:56:16,830 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2078713683] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 14:56:16,830 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-07-10 14:56:16,830 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 4 [2021-07-10 14:56:16,831 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672115200] [2021-07-10 14:56:16,831 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-10 14:56:16,831 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:56:16,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-10 14:56:16,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-07-10 14:56:16,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:56:16,832 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:56:16,832 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 14:56:16,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:56:16,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:56:16,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:56:16,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:56:16,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:56:16,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:56:16,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:56:16,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:56:16,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:56:16,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:56:17,092 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:56:17,093 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:56:17,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:56:17,093 INFO L82 PathProgramCache]: Analyzing trace with hash 397859634, now seen corresponding path program 4 times [2021-07-10 14:56:17,093 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:56:17,094 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002350240] [2021-07-10 14:56:17,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:56:17,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:56:17,148 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2021-07-10 14:56:17,148 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:56:17,148 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002350240] [2021-07-10 14:56:17,148 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002350240] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 14:56:17,148 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 14:56:17,148 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-10 14:56:17,149 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24634826] [2021-07-10 14:56:17,149 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-10 14:56:17,149 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:56:17,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-10 14:56:17,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-10 14:56:17,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:56:17,149 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:56:17,150 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 14:56:17,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:56:17,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:56:17,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:56:17,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:56:17,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:56:17,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:56:17,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:56:17,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:56:17,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:56:17,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:56:17,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:56:17,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:56:17,177 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-07-10 14:56:17,177 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:56:17,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:56:17,177 INFO L82 PathProgramCache]: Analyzing trace with hash -363177358, now seen corresponding path program 5 times [2021-07-10 14:56:17,177 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:56:17,177 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492843427] [2021-07-10 14:56:17,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:56:17,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:56:17,253 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 26 proven. 12 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-07-10 14:56:17,253 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:56:17,253 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492843427] [2021-07-10 14:56:17,253 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492843427] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:56:17,253 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1596848719] [2021-07-10 14:56:17,253 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:56:17,294 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-07-10 14:56:17,294 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:56:17,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-10 14:56:17,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:56:17,414 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-07-10 14:56:17,414 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1596848719] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 14:56:17,414 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-07-10 14:56:17,414 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 5 [2021-07-10 14:56:17,414 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431535079] [2021-07-10 14:56:17,415 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-10 14:56:17,415 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:56:17,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-10 14:56:17,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-07-10 14:56:17,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:56:17,416 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:56:17,416 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 14:56:17,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:56:17,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:56:17,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:56:17,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:56:17,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:56:17,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:56:17,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:56:17,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:56:17,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:56:17,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:56:17,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:56:17,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:56:17,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:56:17,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:56:17,652 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-07-10 14:56:17,653 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:56:17,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:56:17,654 INFO L82 PathProgramCache]: Analyzing trace with hash -691406929, now seen corresponding path program 6 times [2021-07-10 14:56:17,654 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:56:17,654 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944077113] [2021-07-10 14:56:17,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:56:17,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:56:17,916 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 14:56:17,916 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:56:17,916 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944077113] [2021-07-10 14:56:17,917 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [944077113] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:56:17,917 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1359429965] [2021-07-10 14:56:17,917 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:56:17,959 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-07-10 14:56:17,959 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:56:17,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 22 conjunts are in the unsatisfiable core [2021-07-10 14:56:17,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:56:18,247 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 14:56:18,248 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 24 treesize of output 24 [2021-07-10 14:56:18,267 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 14:56:18,271 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 14:56:18,272 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 14:56:18,272 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:32, output treesize:18 [2021-07-10 14:56:18,303 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-07-10 14:56:18,303 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 22 treesize of output 10 [2021-07-10 14:56:18,305 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 14:56:18,308 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 14:56:18,308 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 14:56:18,309 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:23, output treesize:5 [2021-07-10 14:56:18,327 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:56:18,327 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1359429965] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:56:18,327 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:56:18,327 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14] total 25 [2021-07-10 14:56:18,327 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078473474] [2021-07-10 14:56:18,340 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-07-10 14:56:18,341 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:56:18,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-07-10 14:56:18,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=527, Unknown=0, NotChecked=0, Total=650 [2021-07-10 14:56:18,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:56:18,342 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:56:18,342 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 2.0) internal successors, (52), 25 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 14:56:18,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:56:18,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:56:18,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:56:18,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:56:18,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:56:18,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:56:18,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:56:18,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:56:18,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:56:18,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:56:18,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:56:18,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:56:18,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:56:18,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:56:18,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:56:18,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-10 14:56:19,116 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:56:19,123 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-10 14:56:19,124 INFO L202 PluginConnector]: Adding new model inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.07 02:56:19 BasicIcfg [2021-07-10 14:56:19,124 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-10 14:56:19,125 INFO L168 Benchmark]: Toolchain (without parser) took 4809.42 ms. Allocated memory was 187.7 MB in the beginning and 243.3 MB in the end (delta: 55.6 MB). Free memory was 167.7 MB in the beginning and 141.0 MB in the end (delta: 26.7 MB). Peak memory consumption was 82.9 MB. Max. memory is 8.0 GB. [2021-07-10 14:56:19,125 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 187.7 MB. Free memory is still 168.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-10 14:56:19,125 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.09 ms. Allocated memory is still 187.7 MB. Free memory was 167.5 MB in the beginning and 166.2 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-07-10 14:56:19,125 INFO L168 Benchmark]: Boogie Preprocessor took 18.98 ms. Allocated memory is still 187.7 MB. Free memory was 166.2 MB in the beginning and 165.2 MB in the end (delta: 979.5 kB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-10 14:56:19,125 INFO L168 Benchmark]: RCFGBuilder took 360.12 ms. Allocated memory is still 187.7 MB. Free memory was 165.2 MB in the beginning and 152.0 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-07-10 14:56:19,125 INFO L168 Benchmark]: TraceAbstraction took 4397.77 ms. Allocated memory was 187.7 MB in the beginning and 243.3 MB in the end (delta: 55.6 MB). Free memory was 151.6 MB in the beginning and 141.0 MB in the end (delta: 10.6 MB). Peak memory consumption was 67.1 MB. Max. memory is 8.0 GB. [2021-07-10 14:56:19,126 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 187.7 MB. Free memory is still 168.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 27.09 ms. Allocated memory is still 187.7 MB. Free memory was 167.5 MB in the beginning and 166.2 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 8.0 GB. * Boogie Preprocessor took 18.98 ms. Allocated memory is still 187.7 MB. Free memory was 166.2 MB in the beginning and 165.2 MB in the end (delta: 979.5 kB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 360.12 ms. Allocated memory is still 187.7 MB. Free memory was 165.2 MB in the beginning and 152.0 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 4397.77 ms. Allocated memory was 187.7 MB in the beginning and 243.3 MB in the end (delta: 55.6 MB). Free memory was 151.6 MB in the beginning and 141.0 MB in the end (delta: 10.6 MB). Peak memory consumption was 67.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1118, positive: 866, positive conditional: 593, positive unconditional: 273, negative: 252, negative conditional: 238, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 917, positive: 866, positive conditional: 593, positive unconditional: 273, negative: 51, negative conditional: 37, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 917, positive: 840, positive conditional: 0, positive unconditional: 840, negative: 77, negative conditional: 0, negative unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 181, positive: 176, positive conditional: 0, positive unconditional: 176, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 181, positive: 172, positive conditional: 0, positive unconditional: 172, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 9, positive conditional: 5, positive unconditional: 4, negative: 27, negative conditional: 22, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 145, positive: 76, positive conditional: 7, positive unconditional: 70, negative: 69, negative conditional: 48, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 917, positive: 664, positive conditional: 0, positive unconditional: 664, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 181, unknown conditional: 0, unknown unconditional: 181] , Statistics on independence cache: Total cache size (in pairs): 208, Positive cache size: 181, Positive conditional cache size: 5, Positive unconditional cache size: 176, Negative cache size: 27, Negative conditional cache size: 22, Negative unconditional cache size: 5, SemanticConditionEliminator.Independence Queries: [ total: 395, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 369, negative conditional: 128, negative unconditional: 241, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 395, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 369, negative conditional: 128, negative unconditional: 241, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 9, positive conditional: 5, positive unconditional: 4, negative: 27, negative conditional: 22, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 145, positive: 76, positive conditional: 7, positive unconditional: 70, negative: 69, negative conditional: 48, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 395, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 347, negative conditional: 106, negative unconditional: 241, unknown: 27, unknown conditional: 27, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 208, Positive cache size: 181, Positive conditional cache size: 5, Positive unconditional cache size: 176, Negative cache size: 27, Negative conditional cache size: 22, Negative unconditional cache size: 5, Eliminated conditions: 200, SemanticConditionEliminator.Independence Queries: [ total: 395, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 369, negative conditional: 128, negative unconditional: 241, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 395, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 369, negative conditional: 128, negative unconditional: 241, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 9, positive conditional: 5, positive unconditional: 4, negative: 27, negative conditional: 22, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 145, positive: 76, positive conditional: 7, positive unconditional: 70, negative: 69, negative conditional: 48, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 395, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 347, negative conditional: 106, negative unconditional: 241, unknown: 27, unknown conditional: 27, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 208, Positive cache size: 181, Positive conditional cache size: 5, Positive unconditional cache size: 176, Negative cache size: 27, Negative conditional cache size: 22, Negative unconditional cache size: 5, Eliminated conditions: 200, SemanticConditionEliminator.Independence Queries: [ total: 395, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 369, negative conditional: 128, negative unconditional: 241, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 395, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 369, negative conditional: 128, negative unconditional: 241, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 9, positive conditional: 5, positive unconditional: 4, negative: 27, negative conditional: 22, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 145, positive: 76, positive conditional: 7, positive unconditional: 70, negative: 69, negative conditional: 48, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 395, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 347, negative conditional: 106, negative unconditional: 241, unknown: 27, unknown conditional: 27, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 208, Positive cache size: 181, Positive conditional cache size: 5, Positive unconditional cache size: 176, Negative cache size: 27, Negative conditional cache size: 22, Negative unconditional cache size: 5, Eliminated conditions: 200, SemanticConditionEliminator.Independence Queries: [ total: 395, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 369, negative conditional: 128, negative unconditional: 241, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 395, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 369, negative conditional: 128, negative unconditional: 241, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 9, positive conditional: 5, positive unconditional: 4, negative: 27, negative conditional: 22, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 145, positive: 76, positive conditional: 7, positive unconditional: 70, negative: 69, negative conditional: 48, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 395, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 347, negative conditional: 106, negative unconditional: 241, unknown: 27, unknown conditional: 27, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 208, Positive cache size: 181, Positive conditional cache size: 5, Positive unconditional cache size: 176, Negative cache size: 27, Negative conditional cache size: 22, Negative unconditional cache size: 5, Eliminated conditions: 200, SemanticConditionEliminator.Independence Queries: [ total: 395, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 369, negative conditional: 128, negative unconditional: 241, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 395, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 369, negative conditional: 128, negative unconditional: 241, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 9, positive conditional: 5, positive unconditional: 4, negative: 27, negative conditional: 22, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 145, positive: 76, positive conditional: 7, positive unconditional: 70, negative: 69, negative conditional: 48, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 395, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 347, negative conditional: 106, negative unconditional: 241, unknown: 27, unknown conditional: 27, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 208, Positive cache size: 181, Positive conditional cache size: 5, Positive unconditional cache size: 176, Negative cache size: 27, Negative conditional cache size: 22, Negative unconditional cache size: 5, Eliminated conditions: 200, SemanticConditionEliminator.Independence Queries: [ total: 395, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 369, negative conditional: 128, negative unconditional: 241, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 395, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 369, negative conditional: 128, negative unconditional: 241, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 9, positive conditional: 5, positive unconditional: 4, negative: 27, negative conditional: 22, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 145, positive: 76, positive conditional: 7, positive unconditional: 70, negative: 69, negative conditional: 48, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 395, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 347, negative conditional: 106, negative unconditional: 241, unknown: 27, unknown conditional: 27, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 208, Positive cache size: 181, Positive conditional cache size: 5, Positive unconditional cache size: 176, Negative cache size: 27, Negative conditional cache size: 22, Negative unconditional cache size: 5, Eliminated conditions: 200, SemanticConditionEliminator.Independence Queries: [ total: 395, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 369, negative conditional: 128, negative unconditional: 241, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 395, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 369, negative conditional: 128, negative unconditional: 241, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 9, positive conditional: 5, positive unconditional: 4, negative: 27, negative conditional: 22, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 145, positive: 76, positive conditional: 7, positive unconditional: 70, negative: 69, negative conditional: 48, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 395, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 347, negative conditional: 106, negative unconditional: 241, unknown: 27, unknown conditional: 27, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 208, Positive cache size: 181, Positive conditional cache size: 5, Positive unconditional cache size: 176, Negative cache size: 27, Negative conditional cache size: 22, Negative unconditional cache size: 5, Eliminated conditions: 200, SemanticConditionEliminator.Independence Queries: [ total: 395, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 369, negative conditional: 128, negative unconditional: 241, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 395, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 369, negative conditional: 128, negative unconditional: 241, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 9, positive conditional: 5, positive unconditional: 4, negative: 27, negative conditional: 22, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 145, positive: 76, positive conditional: 7, positive unconditional: 70, negative: 69, negative conditional: 48, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 395, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 347, negative conditional: 106, negative unconditional: 241, unknown: 27, unknown conditional: 27, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 208, Positive cache size: 181, Positive conditional cache size: 5, Positive unconditional cache size: 176, Negative cache size: 27, Negative conditional cache size: 22, Negative unconditional cache size: 5, Eliminated conditions: 200 ], Maximal queried relation: 8, Independence queries for same thread: 201 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 133, Number of persistent set computation: 40, Number of trivial persistent sets: 27, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1118, positive: 866, positive conditional: 593, positive unconditional: 273, negative: 252, negative conditional: 238, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 917, positive: 866, positive conditional: 593, positive unconditional: 273, negative: 51, negative conditional: 37, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 917, positive: 840, positive conditional: 0, positive unconditional: 840, negative: 77, negative conditional: 0, negative unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 181, positive: 176, positive conditional: 0, positive unconditional: 176, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 181, positive: 172, positive conditional: 0, positive unconditional: 172, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 9, positive conditional: 5, positive unconditional: 4, negative: 27, negative conditional: 22, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 145, positive: 76, positive conditional: 7, positive unconditional: 70, negative: 69, negative conditional: 48, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 917, positive: 664, positive conditional: 0, positive unconditional: 664, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 181, unknown conditional: 0, unknown unconditional: 181] , Statistics on independence cache: Total cache size (in pairs): 208, Positive cache size: 181, Positive conditional cache size: 5, Positive unconditional cache size: 176, Negative cache size: 27, Negative conditional cache size: 22, Negative unconditional cache size: 5, SemanticConditionEliminator.Independence Queries: [ total: 395, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 369, negative conditional: 128, negative unconditional: 241, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 395, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 369, negative conditional: 128, negative unconditional: 241, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 9, positive conditional: 5, positive unconditional: 4, negative: 27, negative conditional: 22, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 145, positive: 76, positive conditional: 7, positive unconditional: 70, negative: 69, negative conditional: 48, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 395, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 347, negative conditional: 106, negative unconditional: 241, unknown: 27, unknown conditional: 27, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 208, Positive cache size: 181, Positive conditional cache size: 5, Positive unconditional cache size: 176, Negative cache size: 27, Negative conditional cache size: 22, Negative unconditional cache size: 5, Eliminated conditions: 200, SemanticConditionEliminator.Independence Queries: [ total: 395, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 369, negative conditional: 128, negative unconditional: 241, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 395, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 369, negative conditional: 128, negative unconditional: 241, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 9, positive conditional: 5, positive unconditional: 4, negative: 27, negative conditional: 22, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 145, positive: 76, positive conditional: 7, positive unconditional: 70, negative: 69, negative conditional: 48, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 395, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 347, negative conditional: 106, negative unconditional: 241, unknown: 27, unknown conditional: 27, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 208, Positive cache size: 181, Positive conditional cache size: 5, Positive unconditional cache size: 176, Negative cache size: 27, Negative conditional cache size: 22, Negative unconditional cache size: 5, Eliminated conditions: 200, SemanticConditionEliminator.Independence Queries: [ total: 395, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 369, negative conditional: 128, negative unconditional: 241, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 395, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 369, negative conditional: 128, negative unconditional: 241, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 9, positive conditional: 5, positive unconditional: 4, negative: 27, negative conditional: 22, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 145, positive: 76, positive conditional: 7, positive unconditional: 70, negative: 69, negative conditional: 48, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 395, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 347, negative conditional: 106, negative unconditional: 241, unknown: 27, unknown conditional: 27, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 208, Positive cache size: 181, Positive conditional cache size: 5, Positive unconditional cache size: 176, Negative cache size: 27, Negative conditional cache size: 22, Negative unconditional cache size: 5, Eliminated conditions: 200, SemanticConditionEliminator.Independence Queries: [ total: 395, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 369, negative conditional: 128, negative unconditional: 241, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 395, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 369, negative conditional: 128, negative unconditional: 241, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 9, positive conditional: 5, positive unconditional: 4, negative: 27, negative conditional: 22, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 145, positive: 76, positive conditional: 7, positive unconditional: 70, negative: 69, negative conditional: 48, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 395, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 347, negative conditional: 106, negative unconditional: 241, unknown: 27, unknown conditional: 27, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 208, Positive cache size: 181, Positive conditional cache size: 5, Positive unconditional cache size: 176, Negative cache size: 27, Negative conditional cache size: 22, Negative unconditional cache size: 5, Eliminated conditions: 200, SemanticConditionEliminator.Independence Queries: [ total: 395, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 369, negative conditional: 128, negative unconditional: 241, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 395, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 369, negative conditional: 128, negative unconditional: 241, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 9, positive conditional: 5, positive unconditional: 4, negative: 27, negative conditional: 22, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 145, positive: 76, positive conditional: 7, positive unconditional: 70, negative: 69, negative conditional: 48, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 395, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 347, negative conditional: 106, negative unconditional: 241, unknown: 27, unknown conditional: 27, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 208, Positive cache size: 181, Positive conditional cache size: 5, Positive unconditional cache size: 176, Negative cache size: 27, Negative conditional cache size: 22, Negative unconditional cache size: 5, Eliminated conditions: 200, SemanticConditionEliminator.Independence Queries: [ total: 395, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 369, negative conditional: 128, negative unconditional: 241, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 395, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 369, negative conditional: 128, negative unconditional: 241, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 9, positive conditional: 5, positive unconditional: 4, negative: 27, negative conditional: 22, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 145, positive: 76, positive conditional: 7, positive unconditional: 70, negative: 69, negative conditional: 48, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 395, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 347, negative conditional: 106, negative unconditional: 241, unknown: 27, unknown conditional: 27, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 208, Positive cache size: 181, Positive conditional cache size: 5, Positive unconditional cache size: 176, Negative cache size: 27, Negative conditional cache size: 22, Negative unconditional cache size: 5, Eliminated conditions: 200, SemanticConditionEliminator.Independence Queries: [ total: 395, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 369, negative conditional: 128, negative unconditional: 241, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 395, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 369, negative conditional: 128, negative unconditional: 241, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 9, positive conditional: 5, positive unconditional: 4, negative: 27, negative conditional: 22, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 145, positive: 76, positive conditional: 7, positive unconditional: 70, negative: 69, negative conditional: 48, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 395, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 347, negative conditional: 106, negative unconditional: 241, unknown: 27, unknown conditional: 27, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 208, Positive cache size: 181, Positive conditional cache size: 5, Positive unconditional cache size: 176, Negative cache size: 27, Negative conditional cache size: 22, Negative unconditional cache size: 5, Eliminated conditions: 200, SemanticConditionEliminator.Independence Queries: [ total: 395, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 369, negative conditional: 128, negative unconditional: 241, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 395, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 369, negative conditional: 128, negative unconditional: 241, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 9, positive conditional: 5, positive unconditional: 4, negative: 27, negative conditional: 22, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 145, positive: 76, positive conditional: 7, positive unconditional: 70, negative: 69, negative conditional: 48, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 395, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 347, negative conditional: 106, negative unconditional: 241, unknown: 27, unknown conditional: 27, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 208, Positive cache size: 181, Positive conditional cache size: 5, Positive unconditional cache size: 176, Negative cache size: 27, Negative conditional cache size: 22, Negative unconditional cache size: 5, Eliminated conditions: 200 ], Maximal queried relation: 8, Independence queries for same thread: 201 - PositiveResult [Line: 62]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 41 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4274.0ms, OverallIterations: 8, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 18.1ms, PartialOrderReductionTime: 1049.7ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 56, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 37.8ms SsaConstructionTime, 145.1ms SatisfiabilityAnalysisTime, 1503.8ms InterpolantComputationTime, 390 NumberOfCodeBlocks, 390 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 377 ConstructedInterpolants, 0 QuantifiedInterpolants, 1419 SizeOfPredicates, 16 NumberOfNonLiveVariables, 321 ConjunctsInSsa, 48 ConjunctsInUnsatCore, 13 InterpolantComputations, 6 PerfectInterpolantSequences, 200/243 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...