/usr/bin/java -Xmx16000000000 -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-DelaySleep-NoLbe-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/figure1-alt.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 16:07:38,335 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 16:07:38,336 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 16:07:38,362 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-06 16:07:38,368 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-06 16:07:38,368 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-06 16:07:38,369 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-06 16:07:38,369 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-06 16:07:38,370 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-06 16:07:38,370 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-06 16:07:38,371 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-06 16:07:38,373 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-06 16:07:38,373 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-06 16:07:38,374 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-06 16:07:38,375 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-06 16:07:38,375 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-06 16:07:38,377 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-06 16:07:38,381 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-06 16:07:38,382 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-06 16:07:38,382 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-06 16:07:38,387 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-DelaySleep-NoLbe-Random42.epf [2021-06-06 16:07:38,404 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 16:07:38,404 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 16:07:38,404 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 16:07:38,404 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 16:07:38,405 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 16:07:38,405 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 16:07:38,405 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 16:07:38,405 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 16:07:38,405 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 16:07:38,405 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 16:07:38,406 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 16:07:38,406 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 16:07:38,406 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 16:07:38,406 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 16:07:38,406 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 16:07:38,406 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 16:07:38,406 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 16:07:38,406 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 16:07:38,406 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 16:07:38,406 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 16:07:38,406 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 16:07:38,407 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 16:07:38,407 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 16:07:38,407 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 16:07:38,407 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 16:07:38,407 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 16:07:38,407 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 16:07:38,407 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 16:07:38,407 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-06 16:07:38,407 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 16:07:38,407 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 16:07:38,408 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 16:07:38,408 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 16:07:38,408 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 16:07:38,408 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-06 16:07:38,408 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 16:07:38,620 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 16:07:38,632 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 16:07:38,633 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 16:07:38,634 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-06 16:07:38,635 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-06 16:07:38,635 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/figure1-alt.wvr.bpl [2021-06-06 16:07:38,635 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/figure1-alt.wvr.bpl' [2021-06-06 16:07:38,651 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 16:07:38,652 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-06 16:07:38,653 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 16:07:38,653 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 16:07:38,653 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 16:07:38,661 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "figure1-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 04:07:38" (1/1) ... [2021-06-06 16:07:38,666 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "figure1-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 04:07:38" (1/1) ... [2021-06-06 16:07:38,670 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 16:07:38,671 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 16:07:38,671 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 16:07:38,671 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 16:07:38,676 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "figure1-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 04:07:38" (1/1) ... [2021-06-06 16:07:38,676 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "figure1-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 04:07:38" (1/1) ... [2021-06-06 16:07:38,676 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "figure1-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 04:07:38" (1/1) ... [2021-06-06 16:07:38,676 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "figure1-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 04:07:38" (1/1) ... [2021-06-06 16:07:38,677 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "figure1-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 04:07:38" (1/1) ... [2021-06-06 16:07:38,679 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "figure1-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 04:07:38" (1/1) ... [2021-06-06 16:07:38,679 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "figure1-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 04:07:38" (1/1) ... [2021-06-06 16:07:38,680 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 16:07:38,683 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 16:07:38,683 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 16:07:38,683 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 16:07:38,685 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "figure1-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 04:07:38" (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 [2021-06-06 16:07:38,731 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-06 16:07:38,731 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-06 16:07:38,731 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-06 16:07:38,731 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-06 16:07:38,731 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-06 16:07:38,731 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-06 16:07:38,732 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-06 16:07:38,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 16:07:38,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 16:07:38,733 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-06 16:07:38,910 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 16:07:38,910 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-06 16:07:38,912 INFO L202 PluginConnector]: Adding new model figure1-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 04:07:38 BoogieIcfgContainer [2021-06-06 16:07:38,912 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 16:07:38,913 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 16:07:38,913 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 16:07:38,915 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 16:07:38,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "figure1-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 04:07:38" (1/2) ... [2021-06-06 16:07:38,915 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@454995a7 and model type figure1-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 04:07:38, skipping insertion in model container [2021-06-06 16:07:38,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "figure1-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 04:07:38" (2/2) ... [2021-06-06 16:07:38,916 INFO L111 eAbstractionObserver]: Analyzing ICFG figure1-alt.wvr.bpl [2021-06-06 16:07:38,935 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 16:07:38,935 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 16:07:38,935 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-06 16:07:38,936 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 16:07:38,955 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-06-06 16:07:38,969 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 [2021-06-06 16:07:39,069 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 16:07:39,069 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 16:07:39,069 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 16:07:39,070 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 16:07:39,070 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 16:07:39,071 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 16:07:39,071 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 16:07:39,071 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-06 16:07:39,152 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 16:07:39,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 16:07:39,156 INFO L82 PathProgramCache]: Analyzing trace with hash -214903845, now seen corresponding path program 1 times [2021-06-06 16:07:39,161 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 16:07:39,161 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832309020] [2021-06-06 16:07:39,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 16:07:39,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 16:07:39,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 16:07:39,412 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 16:07:39,413 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832309020] [2021-06-06 16:07:39,413 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832309020] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 16:07:39,414 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 16:07:39,414 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-06 16:07:39,414 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000005172] [2021-06-06 16:07:39,417 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-06 16:07:39,417 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 16:07:39,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-06 16:07:39,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-06-06 16:07:39,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 16:07:39,426 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 16:07:39,427 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 8 states have internal predecessors, (15), 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) [2021-06-06 16:07:39,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 16:07:39,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 16:07:39,565 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-06 16:07:39,565 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 16:07:39,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 16:07:39,568 INFO L82 PathProgramCache]: Analyzing trace with hash 713935131, now seen corresponding path program 1 times [2021-06-06 16:07:39,568 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 16:07:39,569 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669816012] [2021-06-06 16:07:39,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 16:07:39,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 16:07:39,722 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 16:07:39,722 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 16:07:39,722 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669816012] [2021-06-06 16:07:39,723 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669816012] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 16:07:39,723 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1978128271] [2021-06-06 16:07:39,723 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) [2021-06-06 16:07:39,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 16:07:39,767 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 17 conjunts are in the unsatisfiable core Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 16:07:39,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 16:07:40,035 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 16:07:40,036 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1978128271] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 16:07:40,036 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 16:07:40,036 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-06-06 16:07:40,036 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080297081] [2021-06-06 16:07:40,037 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-06 16:07:40,037 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 16:07:40,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-06 16:07:40,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=271, Unknown=0, NotChecked=0, Total=342 [2021-06-06 16:07:40,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 16:07:40,038 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 16:07:40,038 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.894736842105263) internal successors, (36), 18 states have internal predecessors, (36), 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) [2021-06-06 16:07:40,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 16:07:40,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 16:07:40,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 16:07:40,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 16:07:40,356 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 16:07:40,356 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 16:07:40,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 16:07:40,357 INFO L82 PathProgramCache]: Analyzing trace with hash -739369381, now seen corresponding path program 2 times [2021-06-06 16:07:40,357 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 16:07:40,357 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604414283] [2021-06-06 16:07:40,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 16:07:40,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 16:07:40,495 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 16:07:40,496 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 16:07:40,496 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604414283] [2021-06-06 16:07:40,496 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1604414283] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 16:07:40,496 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1618885561] [2021-06-06 16:07:40,496 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 [2021-06-06 16:07:40,523 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 16:07:40,523 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 16:07:40,524 WARN L261 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 25 conjunts are in the unsatisfiable core [2021-06-06 16:07:40,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 16:07:40,834 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 16:07:40,834 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1618885561] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 16:07:40,834 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 16:07:40,834 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12] total 21 [2021-06-06 16:07:40,834 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255306666] [2021-06-06 16:07:40,834 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-06-06 16:07:40,834 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 16:07:40,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-06-06 16:07:40,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=384, Unknown=0, NotChecked=0, Total=462 [2021-06-06 16:07:40,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 16:07:40,835 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 16:07:40,835 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 2.0) internal successors, (44), 21 states have internal predecessors, (44), 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) [2021-06-06 16:07:40,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 16:07:40,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 16:07:40,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 16:07:41,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 16:07:41,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 16:07:41,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 16:07:41,724 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 16:07:41,725 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 16:07:41,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 16:07:41,725 INFO L82 PathProgramCache]: Analyzing trace with hash 1650576031, now seen corresponding path program 3 times [2021-06-06 16:07:41,726 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 16:07:41,726 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682791881] [2021-06-06 16:07:41,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 16:07:41,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 16:07:41,871 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-06-06 16:07:41,871 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 16:07:41,871 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682791881] [2021-06-06 16:07:41,871 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682791881] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 16:07:41,871 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1115806831] [2021-06-06 16:07:41,871 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 [2021-06-06 16:07:41,912 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-06 16:07:41,912 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 16:07:41,912 WARN L261 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 36 conjunts are in the unsatisfiable core [2021-06-06 16:07:41,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 16:07:42,293 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 16:07:42,293 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1115806831] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 16:07:42,294 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 16:07:42,294 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 16] total 26 [2021-06-06 16:07:42,298 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330554615] [2021-06-06 16:07:42,299 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-06-06 16:07:42,299 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 16:07:42,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-06-06 16:07:42,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=616, Unknown=0, NotChecked=0, Total=702 [2021-06-06 16:07:42,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 16:07:42,300 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 16:07:42,300 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 2.074074074074074) internal successors, (56), 26 states have internal predecessors, (56), 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) [2021-06-06 16:07:42,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 16:07:42,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 16:07:42,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 16:07:42,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 16:07:43,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 16:07:43,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 16:07:43,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 16:07:43,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 16:07:43,351 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 16:07:43,351 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 16:07:43,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 16:07:43,351 INFO L82 PathProgramCache]: Analyzing trace with hash 1757355609, now seen corresponding path program 4 times [2021-06-06 16:07:43,351 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 16:07:43,351 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649377676] [2021-06-06 16:07:43,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 16:07:43,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 16:07:43,486 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-06-06 16:07:43,486 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 16:07:43,486 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649377676] [2021-06-06 16:07:43,486 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649377676] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 16:07:43,486 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [115655372] [2021-06-06 16:07:43,486 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST 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 [2021-06-06 16:07:43,512 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 16:07:43,512 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 16:07:43,513 WARN L261 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 45 conjunts are in the unsatisfiable core [2021-06-06 16:07:43,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 16:07:43,852 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 16:07:43,852 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [115655372] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 16:07:43,853 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 16:07:43,853 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 17] total 27 [2021-06-06 16:07:43,853 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438816707] [2021-06-06 16:07:43,853 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-06 16:07:43,853 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 16:07:43,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-06 16:07:43,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=649, Unknown=0, NotChecked=0, Total=756 [2021-06-06 16:07:43,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 16:07:43,854 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 16:07:43,854 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 2.0357142857142856) internal successors, (57), 27 states have internal predecessors, (57), 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) [2021-06-06 16:07:43,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 16:07:43,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 16:07:43,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 16:07:43,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 16:07:43,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 16:07:44,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 16:07:44,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 16:07:44,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 16:07:44,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 16:07:44,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 16:07:44,924 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 16:07:44,925 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 16:07:44,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 16:07:44,925 INFO L82 PathProgramCache]: Analyzing trace with hash -807973, now seen corresponding path program 5 times [2021-06-06 16:07:44,925 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 16:07:44,925 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920450204] [2021-06-06 16:07:44,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 16:07:44,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 16:07:45,055 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-06-06 16:07:45,055 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 16:07:45,055 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920450204] [2021-06-06 16:07:45,055 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920450204] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 16:07:45,055 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [686794655] [2021-06-06 16:07:45,055 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 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 [2021-06-06 16:07:45,085 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-06-06 16:07:45,085 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 16:07:45,086 WARN L261 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 57 conjunts are in the unsatisfiable core [2021-06-06 16:07:45,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 16:07:45,514 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 16:07:45,514 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [686794655] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 16:07:45,514 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 16:07:45,514 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 20] total 30 [2021-06-06 16:07:45,515 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811992929] [2021-06-06 16:07:45,516 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-06 16:07:45,516 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 16:07:45,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-06 16:07:45,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=817, Unknown=0, NotChecked=0, Total=930 [2021-06-06 16:07:45,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 16:07:45,517 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 16:07:45,517 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 2.032258064516129) internal successors, (63), 30 states have internal predecessors, (63), 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) [2021-06-06 16:07:45,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 16:07:45,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 16:07:45,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 16:07:45,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 16:07:45,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 16:07:45,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 16:07:48,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 16:07:48,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 16:07:48,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 16:07:48,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-06 16:07:48,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-06 16:07:48,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-06-06 16:07:48,768 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 16:07:48,775 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-06 16:07:48,778 INFO L202 PluginConnector]: Adding new model figure1-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.06 04:07:48 BasicIcfg [2021-06-06 16:07:48,778 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-06 16:07:48,779 INFO L168 Benchmark]: Toolchain (without parser) took 10127.07 ms. Allocated memory was 346.0 MB in the beginning and 499.1 MB in the end (delta: 153.1 MB). Free memory was 324.8 MB in the beginning and 412.4 MB in the end (delta: -87.6 MB). Peak memory consumption was 67.0 MB. Max. memory is 16.0 GB. [2021-06-06 16:07:48,779 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 346.0 MB. Free memory is still 325.9 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 16:07:48,779 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.78 ms. Allocated memory is still 346.0 MB. Free memory was 324.7 MB in the beginning and 323.3 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 16:07:48,779 INFO L168 Benchmark]: Boogie Preprocessor took 9.19 ms. Allocated memory is still 346.0 MB. Free memory was 323.3 MB in the beginning and 322.4 MB in the end (delta: 930.9 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 16:07:48,781 INFO L168 Benchmark]: RCFGBuilder took 228.58 ms. Allocated memory is still 346.0 MB. Free memory was 322.3 MB in the beginning and 310.9 MB in the end (delta: 11.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. [2021-06-06 16:07:48,781 INFO L168 Benchmark]: TraceAbstraction took 9865.46 ms. Allocated memory was 346.0 MB in the beginning and 499.1 MB in the end (delta: 153.1 MB). Free memory was 310.4 MB in the beginning and 412.4 MB in the end (delta: -102.0 MB). Peak memory consumption was 52.3 MB. Max. memory is 16.0 GB. [2021-06-06 16:07:48,782 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 346.0 MB. Free memory is still 325.9 MB. There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 17.78 ms. Allocated memory is still 346.0 MB. Free memory was 324.7 MB in the beginning and 323.3 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 9.19 ms. Allocated memory is still 346.0 MB. Free memory was 323.3 MB in the beginning and 322.4 MB in the end (delta: 930.9 kB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 228.58 ms. Allocated memory is still 346.0 MB. Free memory was 322.3 MB in the beginning and 310.9 MB in the end (delta: 11.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. * TraceAbstraction took 9865.46 ms. Allocated memory was 346.0 MB in the beginning and 499.1 MB in the end (delta: 153.1 MB). Free memory was 310.4 MB in the beginning and 412.4 MB in the end (delta: -102.0 MB). Peak memory consumption was 52.3 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 746, positive: 535, positive conditional: 535, positive unconditional: 0, negative: 211, negative conditional: 211, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 566, positive: 535, positive conditional: 535, positive unconditional: 0, negative: 31, negative conditional: 31, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 566, positive: 528, positive conditional: 0, positive unconditional: 528, negative: 38, negative conditional: 0, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 24, positive: 23, positive conditional: 0, positive unconditional: 23, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 24, positive: 23, positive conditional: 0, positive unconditional: 23, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 39, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 32, negative conditional: 31, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 138, positive: 13, positive conditional: 13, positive unconditional: 0, negative: 125, negative conditional: 73, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 566, positive: 505, positive conditional: 0, positive unconditional: 505, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 24, unknown conditional: 0, unknown unconditional: 24] , Statistics on independence cache: Total cache size (in pairs): 62, Positive cache size: 30, Positive conditional cache size: 7, Positive unconditional cache size: 23, Negative cache size: 32, Negative conditional cache size: 31, Negative unconditional cache size: 1, SemanticConditionEliminator.Independence Queries: [ total: 166, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 159, negative conditional: 94, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 166, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 159, negative conditional: 94, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 39, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 32, negative conditional: 31, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 138, positive: 13, positive conditional: 13, positive unconditional: 0, negative: 125, negative conditional: 73, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 166, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 128, negative conditional: 63, negative unconditional: 65, unknown: 38, unknown conditional: 38, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 62, Positive cache size: 30, Positive conditional cache size: 7, Positive unconditional cache size: 23, Negative cache size: 32, Negative conditional cache size: 31, Negative unconditional cache size: 1, Eliminated conditions: 65, SemanticConditionEliminator.Independence Queries: [ total: 166, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 159, negative conditional: 94, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 166, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 159, negative conditional: 94, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 39, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 32, negative conditional: 31, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 138, positive: 13, positive conditional: 13, positive unconditional: 0, negative: 125, negative conditional: 73, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 166, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 128, negative conditional: 63, negative unconditional: 65, unknown: 38, unknown conditional: 38, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 62, Positive cache size: 30, Positive conditional cache size: 7, Positive unconditional cache size: 23, Negative cache size: 32, Negative conditional cache size: 31, Negative unconditional cache size: 1, Eliminated conditions: 65, SemanticConditionEliminator.Independence Queries: [ total: 166, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 159, negative conditional: 94, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 166, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 159, negative conditional: 94, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 39, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 32, negative conditional: 31, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 138, positive: 13, positive conditional: 13, positive unconditional: 0, negative: 125, negative conditional: 73, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 166, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 128, negative conditional: 63, negative unconditional: 65, unknown: 38, unknown conditional: 38, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 62, Positive cache size: 30, Positive conditional cache size: 7, Positive unconditional cache size: 23, Negative cache size: 32, Negative conditional cache size: 31, Negative unconditional cache size: 1, Eliminated conditions: 65, SemanticConditionEliminator.Independence Queries: [ total: 166, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 159, negative conditional: 94, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 166, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 159, negative conditional: 94, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 39, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 32, negative conditional: 31, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 138, positive: 13, positive conditional: 13, positive unconditional: 0, negative: 125, negative conditional: 73, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 166, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 128, negative conditional: 63, negative unconditional: 65, unknown: 38, unknown conditional: 38, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 62, Positive cache size: 30, Positive conditional cache size: 7, Positive unconditional cache size: 23, Negative cache size: 32, Negative conditional cache size: 31, Negative unconditional cache size: 1, Eliminated conditions: 65, SemanticConditionEliminator.Independence Queries: [ total: 166, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 159, negative conditional: 94, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 166, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 159, negative conditional: 94, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 39, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 32, negative conditional: 31, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 138, positive: 13, positive conditional: 13, positive unconditional: 0, negative: 125, negative conditional: 73, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 166, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 128, negative conditional: 63, negative unconditional: 65, unknown: 38, unknown conditional: 38, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 62, Positive cache size: 30, Positive conditional cache size: 7, Positive unconditional cache size: 23, Negative cache size: 32, Negative conditional cache size: 31, Negative unconditional cache size: 1, Eliminated conditions: 65, SemanticConditionEliminator.Independence Queries: [ total: 166, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 159, negative conditional: 94, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 166, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 159, negative conditional: 94, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 39, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 32, negative conditional: 31, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 138, positive: 13, positive conditional: 13, positive unconditional: 0, negative: 125, negative conditional: 73, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 166, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 128, negative conditional: 63, negative unconditional: 65, unknown: 38, unknown conditional: 38, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 62, Positive cache size: 30, Positive conditional cache size: 7, Positive unconditional cache size: 23, Negative cache size: 32, Negative conditional cache size: 31, Negative unconditional cache size: 1, Eliminated conditions: 65 ], Maximal queried relation: 6, Independence queries for same thread: 180 - PositiveResult [Line: 51]: 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, 32 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 9793.6ms, OverallIterations: 6, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 9.7ms, PartialOrderReductionTime: 5732.2ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 204, 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: 25.5ms SsaConstructionTime, 104.6ms SatisfiabilityAnalysisTime, 2568.9ms InterpolantComputationTime, 305 NumberOfCodeBlocks, 305 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 294 ConstructedInterpolants, 0 QuantifiedInterpolants, 3645 SizeOfPredicates, 25 NumberOfNonLiveVariables, 330 ConjunctsInSsa, 180 ConjunctsInUnsatCore, 11 InterpolantComputations, 1 PerfectInterpolantSequences, 47/318 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...