/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-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/figure3.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9bbddad6b14272d9691b7fb6f1c011d15ab18596-9bbddad [2021-06-14 21:13:15,148 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-14 21:13:15,149 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-14 21:13:15,172 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-14 21:13:15,181 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-14 21:13:15,182 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-14 21:13:15,183 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-14 21:13:15,184 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-14 21:13:15,184 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-14 21:13:15,185 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-14 21:13:15,187 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-14 21:13:15,188 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-14 21:13:15,189 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-14 21:13:15,190 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-14 21:13:15,191 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-14 21:13:15,192 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-14 21:13:15,194 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-14 21:13:15,220 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-Lockstep.epf [2021-06-14 21:13:15,256 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-14 21:13:15,256 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-14 21:13:15,257 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-14 21:13:15,257 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-14 21:13:15,259 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-14 21:13:15,259 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-14 21:13:15,259 INFO L138 SettingsManager]: * Use SBE=true [2021-06-14 21:13:15,260 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-14 21:13:15,260 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-14 21:13:15,260 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-14 21:13:15,261 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-14 21:13:15,261 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-14 21:13:15,261 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-14 21:13:15,261 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-14 21:13:15,261 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-14 21:13:15,261 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-14 21:13:15,262 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-14 21:13:15,262 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-14 21:13:15,262 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-14 21:13:15,262 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-14 21:13:15,262 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-14 21:13:15,262 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-14 21:13:15,262 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-14 21:13:15,262 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-14 21:13:15,263 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-14 21:13:15,263 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-14 21:13:15,263 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-14 21:13:15,263 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-14 21:13:15,263 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-06-14 21:13:15,263 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-14 21:13:15,263 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-14 21:13:15,264 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-14 21:13:15,264 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-14 21:13:15,264 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-06-14 21:13:15,264 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-14 21:13:15,567 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-14 21:13:15,585 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-14 21:13:15,587 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-14 21:13:15,588 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-14 21:13:15,589 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-14 21:13:15,589 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/figure3.wvr.bpl [2021-06-14 21:13:15,590 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/figure3.wvr.bpl' [2021-06-14 21:13:15,610 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-14 21:13:15,611 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-14 21:13:15,612 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-14 21:13:15,612 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-14 21:13:15,613 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-14 21:13:15,623 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "figure3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 09:13:15" (1/1) ... [2021-06-14 21:13:15,631 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "figure3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 09:13:15" (1/1) ... [2021-06-14 21:13:15,638 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-14 21:13:15,639 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-14 21:13:15,639 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-14 21:13:15,639 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-14 21:13:15,646 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "figure3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 09:13:15" (1/1) ... [2021-06-14 21:13:15,646 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "figure3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 09:13:15" (1/1) ... [2021-06-14 21:13:15,647 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "figure3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 09:13:15" (1/1) ... [2021-06-14 21:13:15,647 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "figure3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 09:13:15" (1/1) ... [2021-06-14 21:13:15,650 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "figure3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 09:13:15" (1/1) ... [2021-06-14 21:13:15,652 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "figure3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 09:13:15" (1/1) ... [2021-06-14 21:13:15,653 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "figure3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 09:13:15" (1/1) ... [2021-06-14 21:13:15,655 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-14 21:13:15,657 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-14 21:13:15,657 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-14 21:13:15,658 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-14 21:13:15,659 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "figure3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 09:13:15" (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 [2021-06-14 21:13:15,732 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-14 21:13:15,732 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-14 21:13:15,732 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-14 21:13:15,732 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-14 21:13:15,732 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-14 21:13:15,732 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-14 21:13:15,733 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-14 21:13:15,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-14 21:13:15,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-14 21:13:15,733 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-14 21:13:15,917 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-14 21:13:15,918 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-14 21:13:15,919 INFO L202 PluginConnector]: Adding new model figure3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 09:13:15 BoogieIcfgContainer [2021-06-14 21:13:15,919 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-14 21:13:15,921 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-14 21:13:15,921 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-14 21:13:15,923 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-14 21:13:15,923 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "figure3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 09:13:15" (1/2) ... [2021-06-14 21:13:15,924 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60fc8639 and model type figure3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.06 09:13:15, skipping insertion in model container [2021-06-14 21:13:15,924 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "figure3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 09:13:15" (2/2) ... [2021-06-14 21:13:15,925 INFO L111 eAbstractionObserver]: Analyzing ICFG figure3.wvr.bpl [2021-06-14 21:13:15,935 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-14 21:13:15,936 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-14 21:13:15,936 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-14 21:13:15,937 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-14 21:13:15,995 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-06-14 21:13:16,029 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 [2021-06-14 21:13:16,074 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-14 21:13:16,074 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-14 21:13:16,074 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-14 21:13:16,075 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-14 21:13:16,075 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-14 21:13:16,075 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-14 21:13:16,075 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-14 21:13:16,075 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-14 21:13:16,180 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 21:13:16,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 21:13:16,201 INFO L82 PathProgramCache]: Analyzing trace with hash -55964117, now seen corresponding path program 1 times [2021-06-14 21:13:16,208 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 21:13:16,208 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813963271] [2021-06-14 21:13:16,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 21:13:16,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 21:13:16,419 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 21:13:16,420 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 21:13:16,420 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813963271] [2021-06-14 21:13:16,420 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813963271] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 21:13:16,421 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1882122283] [2021-06-14 21:13:16,421 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 [2021-06-14 21:13:16,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 21:13:16,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 4 conjunts are in the unsatisfiable core [2021-06-14 21:13:16,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 21:13:16,564 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 21:13:16,564 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1882122283] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 21:13:16,564 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 21:13:16,565 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4] total 10 [2021-06-14 21:13:16,566 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756902770] [2021-06-14 21:13:16,569 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-14 21:13:16,569 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 21:13:16,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-14 21:13:16,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-06-14 21:13:16,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 21:13:16,582 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 21:13:16,584 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 3.7) internal successors, (37), 10 states have internal predecessors, (37), 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) [2021-06-14 21:13:16,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 21:13:16,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 21:13:17,013 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-06-14 21:13:17,014 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 21:13:17,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 21:13:17,015 INFO L82 PathProgramCache]: Analyzing trace with hash 206158769, now seen corresponding path program 2 times [2021-06-14 21:13:17,015 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 21:13:17,015 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696674947] [2021-06-14 21:13:17,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 21:13:17,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 21:13:17,133 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-14 21:13:17,133 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 21:13:17,133 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696674947] [2021-06-14 21:13:17,133 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696674947] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 21:13:17,134 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [314209961] [2021-06-14 21:13:17,134 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 [2021-06-14 21:13:17,171 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-14 21:13:17,172 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 21:13:17,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 8 conjunts are in the unsatisfiable core [2021-06-14 21:13:17,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 21:13:17,414 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 21:13:17,415 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [314209961] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 21:13:17,415 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 21:13:17,415 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 13 [2021-06-14 21:13:17,415 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120639887] [2021-06-14 21:13:17,416 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-14 21:13:17,416 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 21:13:17,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-14 21:13:17,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2021-06-14 21:13:17,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 21:13:17,417 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 21:13:17,417 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 2.5714285714285716) internal successors, (36), 13 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) [2021-06-14 21:13:17,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 21:13:17,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 21:13:17,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 21:13:17,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 21:13:17,904 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 21:13:17,904 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 21:13:17,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 21:13:17,905 INFO L82 PathProgramCache]: Analyzing trace with hash -1888454623, now seen corresponding path program 3 times [2021-06-14 21:13:17,905 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 21:13:17,905 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903733432] [2021-06-14 21:13:17,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 21:13:17,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 21:13:17,962 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 27 proven. 13 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-06-14 21:13:17,962 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 21:13:17,963 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903733432] [2021-06-14 21:13:17,963 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903733432] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 21:13:17,963 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [892390950] [2021-06-14 21:13:17,963 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 [2021-06-14 21:13:17,999 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-06-14 21:13:17,999 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 21:13:18,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 12 conjunts are in the unsatisfiable core [2021-06-14 21:13:18,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 21:13:18,156 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 25 proven. 16 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-06-14 21:13:18,156 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [892390950] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 21:13:18,156 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 21:13:18,156 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 8] total 10 [2021-06-14 21:13:18,157 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523071109] [2021-06-14 21:13:18,157 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-14 21:13:18,157 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 21:13:18,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-14 21:13:18,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-06-14 21:13:18,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 21:13:18,158 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 21:13:18,158 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 4.6) internal successors, (46), 10 states have internal predecessors, (46), 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) [2021-06-14 21:13:18,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 21:13:18,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 21:13:18,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 21:13:18,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 21:13:18,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 21:13:18,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 21:13:18,428 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 21:13:18,428 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 21:13:18,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 21:13:18,429 INFO L82 PathProgramCache]: Analyzing trace with hash 694402465, now seen corresponding path program 4 times [2021-06-14 21:13:18,429 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 21:13:18,429 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837803047] [2021-06-14 21:13:18,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 21:13:18,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 21:13:18,491 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-06-14 21:13:18,491 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 21:13:18,491 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837803047] [2021-06-14 21:13:18,491 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837803047] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 21:13:18,492 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [510876686] [2021-06-14 21:13:18,492 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 [2021-06-14 21:13:18,532 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-14 21:13:18,535 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 21:13:18,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-14 21:13:18,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 21:13:18,623 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-06-14 21:13:18,623 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [510876686] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 21:13:18,623 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 21:13:18,623 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2021-06-14 21:13:18,624 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325442950] [2021-06-14 21:13:18,624 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-14 21:13:18,624 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 21:13:18,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-14 21:13:18,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-14 21:13:18,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 21:13:18,625 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 21:13:18,625 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 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) [2021-06-14 21:13:18,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 21:13:18,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 21:13:18,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 21:13:18,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 21:13:18,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 21:13:18,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 21:13:18,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 21:13:18,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 21:13:18,953 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 21:13:18,953 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 21:13:18,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 21:13:18,954 INFO L82 PathProgramCache]: Analyzing trace with hash 1547820759, now seen corresponding path program 5 times [2021-06-14 21:13:18,954 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 21:13:18,954 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842766953] [2021-06-14 21:13:18,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 21:13:18,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 21:13:19,025 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-14 21:13:19,025 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 21:13:19,026 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842766953] [2021-06-14 21:13:19,026 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842766953] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 21:13:19,026 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1757232481] [2021-06-14 21:13:19,026 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 [2021-06-14 21:13:19,071 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-06-14 21:13:19,072 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 21:13:19,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-14 21:13:19,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 21:13:19,236 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 21:13:19,236 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1757232481] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 21:13:19,236 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 21:13:19,236 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9] total 14 [2021-06-14 21:13:19,237 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495317676] [2021-06-14 21:13:19,237 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-14 21:13:19,237 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 21:13:19,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-14 21:13:19,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2021-06-14 21:13:19,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 21:13:19,238 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 21:13:19,238 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 2.6666666666666665) internal successors, (40), 14 states have internal predecessors, (40), 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) [2021-06-14 21:13:19,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 21:13:19,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 21:13:19,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 21:13:19,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 21:13:19,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 21:13:19,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 21:13:19,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 21:13:19,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 21:13:19,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 21:13:19,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 21:13:19,690 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 21:13:19,690 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 21:13:19,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 21:13:19,691 INFO L82 PathProgramCache]: Analyzing trace with hash 1023639853, now seen corresponding path program 6 times [2021-06-14 21:13:19,691 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 21:13:19,691 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324894263] [2021-06-14 21:13:19,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 21:13:19,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 21:13:19,762 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-14 21:13:19,762 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 21:13:19,763 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324894263] [2021-06-14 21:13:19,763 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324894263] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 21:13:19,763 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1473587813] [2021-06-14 21:13:19,763 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 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 21:13:19,809 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-06-14 21:13:19,809 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 21:13:19,810 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-14 21:13:19,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 21:13:19,954 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 21:13:19,954 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1473587813] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 21:13:19,954 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 21:13:19,954 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9] total 14 [2021-06-14 21:13:19,954 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793676799] [2021-06-14 21:13:19,955 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-14 21:13:19,955 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 21:13:19,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-14 21:13:19,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2021-06-14 21:13:19,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 21:13:19,956 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 21:13:19,956 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 2.6) internal successors, (39), 14 states have internal predecessors, (39), 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) [2021-06-14 21:13:19,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 21:13:19,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 21:13:19,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 21:13:19,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 21:13:19,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 21:13:19,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 21:13:20,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 21:13:20,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 21:13:20,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 21:13:20,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 21:13:20,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 21:13:20,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-14 21:13:20,696 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 21:13:20,711 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-14 21:13:20,713 INFO L202 PluginConnector]: Adding new model figure3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.06 09:13:20 BasicIcfg [2021-06-14 21:13:20,713 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-14 21:13:20,713 INFO L168 Benchmark]: Toolchain (without parser) took 5102.19 ms. Allocated memory was 188.7 MB in the beginning and 226.5 MB in the end (delta: 37.7 MB). Free memory was 168.7 MB in the beginning and 207.7 MB in the end (delta: -39.0 MB). Peak memory consumption was 130.4 MB. Max. memory is 8.0 GB. [2021-06-14 21:13:20,713 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.16 ms. Allocated memory is still 188.7 MB. Free memory is still 169.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-14 21:13:20,714 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.87 ms. Allocated memory is still 188.7 MB. Free memory was 168.7 MB in the beginning and 167.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-14 21:13:20,714 INFO L168 Benchmark]: Boogie Preprocessor took 15.99 ms. Allocated memory is still 188.7 MB. Free memory was 167.2 MB in the beginning and 166.4 MB in the end (delta: 850.7 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-06-14 21:13:20,714 INFO L168 Benchmark]: RCFGBuilder took 262.28 ms. Allocated memory is still 188.7 MB. Free memory was 166.2 MB in the beginning and 154.3 MB in the end (delta: 11.9 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-06-14 21:13:20,714 INFO L168 Benchmark]: TraceAbstraction took 4792.11 ms. Allocated memory was 188.7 MB in the beginning and 226.5 MB in the end (delta: 37.7 MB). Free memory was 153.9 MB in the beginning and 207.7 MB in the end (delta: -53.8 MB). Peak memory consumption was 115.7 MB. Max. memory is 8.0 GB. [2021-06-14 21:13:20,714 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 0.16 ms. Allocated memory is still 188.7 MB. Free memory is still 169.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 25.87 ms. Allocated memory is still 188.7 MB. Free memory was 168.7 MB in the beginning and 167.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 15.99 ms. Allocated memory is still 188.7 MB. Free memory was 167.2 MB in the beginning and 166.4 MB in the end (delta: 850.7 kB). There was no memory consumed. Max. memory is 8.0 GB. * RCFGBuilder took 262.28 ms. Allocated memory is still 188.7 MB. Free memory was 166.2 MB in the beginning and 154.3 MB in the end (delta: 11.9 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 4792.11 ms. Allocated memory was 188.7 MB in the beginning and 226.5 MB in the end (delta: 37.7 MB). Free memory was 153.9 MB in the beginning and 207.7 MB in the end (delta: -53.8 MB). Peak memory consumption was 115.7 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: 532, positive: 398, positive conditional: 284, positive unconditional: 114, negative: 134, negative conditional: 131, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 411, positive: 398, positive conditional: 284, positive unconditional: 114, negative: 13, negative conditional: 10, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 411, positive: 382, positive conditional: 0, positive unconditional: 382, negative: 29, negative conditional: 0, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 85, positive: 83, positive conditional: 0, positive unconditional: 83, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 85, positive: 83, positive conditional: 0, positive unconditional: 83, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 14, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 9, negative conditional: 7, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 94, positive: 12, positive conditional: 12, positive unconditional: 0, negative: 82, negative conditional: 28, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 411, positive: 299, positive conditional: 0, positive unconditional: 299, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 85, unknown conditional: 0, unknown unconditional: 85] , Statistics on independence cache: Total cache size (in pairs): 97, Positive cache size: 88, Positive conditional cache size: 5, Positive unconditional cache size: 83, Negative cache size: 9, Negative conditional cache size: 7, Negative unconditional cache size: 2, SemanticConditionEliminator.Independence Queries: [ total: 66, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 50, negative conditional: 43, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 66, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 50, negative conditional: 43, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 14, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 9, negative conditional: 7, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 94, positive: 12, positive conditional: 12, positive unconditional: 0, negative: 82, negative conditional: 28, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 66, positive: 11, positive conditional: 11, positive unconditional: 0, negative: 43, negative conditional: 36, negative unconditional: 7, unknown: 12, unknown conditional: 12, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 97, Positive cache size: 88, Positive conditional cache size: 5, Positive unconditional cache size: 83, Negative cache size: 9, Negative conditional cache size: 7, Negative unconditional cache size: 2, Eliminated conditions: 6, SemanticConditionEliminator.Independence Queries: [ total: 66, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 50, negative conditional: 43, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 66, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 50, negative conditional: 43, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 14, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 9, negative conditional: 7, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 94, positive: 12, positive conditional: 12, positive unconditional: 0, negative: 82, negative conditional: 28, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 66, positive: 11, positive conditional: 11, positive unconditional: 0, negative: 43, negative conditional: 36, negative unconditional: 7, unknown: 12, unknown conditional: 12, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 97, Positive cache size: 88, Positive conditional cache size: 5, Positive unconditional cache size: 83, Negative cache size: 9, Negative conditional cache size: 7, Negative unconditional cache size: 2, Eliminated conditions: 6, SemanticConditionEliminator.Independence Queries: [ total: 66, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 50, negative conditional: 43, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 66, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 50, negative conditional: 43, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 14, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 9, negative conditional: 7, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 94, positive: 12, positive conditional: 12, positive unconditional: 0, negative: 82, negative conditional: 28, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 66, positive: 11, positive conditional: 11, positive unconditional: 0, negative: 43, negative conditional: 36, negative unconditional: 7, unknown: 12, unknown conditional: 12, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 97, Positive cache size: 88, Positive conditional cache size: 5, Positive unconditional cache size: 83, Negative cache size: 9, Negative conditional cache size: 7, Negative unconditional cache size: 2, Eliminated conditions: 6, SemanticConditionEliminator.Independence Queries: [ total: 66, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 50, negative conditional: 43, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 66, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 50, negative conditional: 43, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 14, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 9, negative conditional: 7, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 94, positive: 12, positive conditional: 12, positive unconditional: 0, negative: 82, negative conditional: 28, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 66, positive: 11, positive conditional: 11, positive unconditional: 0, negative: 43, negative conditional: 36, negative unconditional: 7, unknown: 12, unknown conditional: 12, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 97, Positive cache size: 88, Positive conditional cache size: 5, Positive unconditional cache size: 83, Negative cache size: 9, Negative conditional cache size: 7, Negative unconditional cache size: 2, Eliminated conditions: 6, SemanticConditionEliminator.Independence Queries: [ total: 66, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 50, negative conditional: 43, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 66, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 50, negative conditional: 43, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 14, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 9, negative conditional: 7, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 94, positive: 12, positive conditional: 12, positive unconditional: 0, negative: 82, negative conditional: 28, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 66, positive: 11, positive conditional: 11, positive unconditional: 0, negative: 43, negative conditional: 36, negative unconditional: 7, unknown: 12, unknown conditional: 12, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 97, Positive cache size: 88, Positive conditional cache size: 5, Positive unconditional cache size: 83, Negative cache size: 9, Negative conditional cache size: 7, Negative unconditional cache size: 2, Eliminated conditions: 6, SemanticConditionEliminator.Independence Queries: [ total: 66, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 50, negative conditional: 43, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 66, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 50, negative conditional: 43, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 14, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 9, negative conditional: 7, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 94, positive: 12, positive conditional: 12, positive unconditional: 0, negative: 82, negative conditional: 28, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 66, positive: 11, positive conditional: 11, positive unconditional: 0, negative: 43, negative conditional: 36, negative unconditional: 7, unknown: 12, unknown conditional: 12, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 97, Positive cache size: 88, Positive conditional cache size: 5, Positive unconditional cache size: 83, Negative cache size: 9, Negative conditional cache size: 7, Negative unconditional cache size: 2, Eliminated conditions: 6 ], Maximal queried relation: 4, Independence queries for same thread: 121 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 140, Number of persistent set computation: 508, Number of trivial persistent sets: 419, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 532, positive: 398, positive conditional: 284, positive unconditional: 114, negative: 134, negative conditional: 131, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 411, positive: 398, positive conditional: 284, positive unconditional: 114, negative: 13, negative conditional: 10, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 411, positive: 382, positive conditional: 0, positive unconditional: 382, negative: 29, negative conditional: 0, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 85, positive: 83, positive conditional: 0, positive unconditional: 83, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 85, positive: 83, positive conditional: 0, positive unconditional: 83, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 14, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 9, negative conditional: 7, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 94, positive: 12, positive conditional: 12, positive unconditional: 0, negative: 82, negative conditional: 28, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 411, positive: 299, positive conditional: 0, positive unconditional: 299, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 85, unknown conditional: 0, unknown unconditional: 85] , Statistics on independence cache: Total cache size (in pairs): 97, Positive cache size: 88, Positive conditional cache size: 5, Positive unconditional cache size: 83, Negative cache size: 9, Negative conditional cache size: 7, Negative unconditional cache size: 2, SemanticConditionEliminator.Independence Queries: [ total: 66, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 50, negative conditional: 43, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 66, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 50, negative conditional: 43, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 14, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 9, negative conditional: 7, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 94, positive: 12, positive conditional: 12, positive unconditional: 0, negative: 82, negative conditional: 28, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 66, positive: 11, positive conditional: 11, positive unconditional: 0, negative: 43, negative conditional: 36, negative unconditional: 7, unknown: 12, unknown conditional: 12, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 97, Positive cache size: 88, Positive conditional cache size: 5, Positive unconditional cache size: 83, Negative cache size: 9, Negative conditional cache size: 7, Negative unconditional cache size: 2, Eliminated conditions: 6, SemanticConditionEliminator.Independence Queries: [ total: 66, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 50, negative conditional: 43, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 66, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 50, negative conditional: 43, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 14, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 9, negative conditional: 7, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 94, positive: 12, positive conditional: 12, positive unconditional: 0, negative: 82, negative conditional: 28, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 66, positive: 11, positive conditional: 11, positive unconditional: 0, negative: 43, negative conditional: 36, negative unconditional: 7, unknown: 12, unknown conditional: 12, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 97, Positive cache size: 88, Positive conditional cache size: 5, Positive unconditional cache size: 83, Negative cache size: 9, Negative conditional cache size: 7, Negative unconditional cache size: 2, Eliminated conditions: 6, SemanticConditionEliminator.Independence Queries: [ total: 66, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 50, negative conditional: 43, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 66, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 50, negative conditional: 43, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 14, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 9, negative conditional: 7, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 94, positive: 12, positive conditional: 12, positive unconditional: 0, negative: 82, negative conditional: 28, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 66, positive: 11, positive conditional: 11, positive unconditional: 0, negative: 43, negative conditional: 36, negative unconditional: 7, unknown: 12, unknown conditional: 12, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 97, Positive cache size: 88, Positive conditional cache size: 5, Positive unconditional cache size: 83, Negative cache size: 9, Negative conditional cache size: 7, Negative unconditional cache size: 2, Eliminated conditions: 6, SemanticConditionEliminator.Independence Queries: [ total: 66, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 50, negative conditional: 43, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 66, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 50, negative conditional: 43, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 14, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 9, negative conditional: 7, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 94, positive: 12, positive conditional: 12, positive unconditional: 0, negative: 82, negative conditional: 28, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 66, positive: 11, positive conditional: 11, positive unconditional: 0, negative: 43, negative conditional: 36, negative unconditional: 7, unknown: 12, unknown conditional: 12, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 97, Positive cache size: 88, Positive conditional cache size: 5, Positive unconditional cache size: 83, Negative cache size: 9, Negative conditional cache size: 7, Negative unconditional cache size: 2, Eliminated conditions: 6, SemanticConditionEliminator.Independence Queries: [ total: 66, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 50, negative conditional: 43, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 66, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 50, negative conditional: 43, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 14, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 9, negative conditional: 7, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 94, positive: 12, positive conditional: 12, positive unconditional: 0, negative: 82, negative conditional: 28, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 66, positive: 11, positive conditional: 11, positive unconditional: 0, negative: 43, negative conditional: 36, negative unconditional: 7, unknown: 12, unknown conditional: 12, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 97, Positive cache size: 88, Positive conditional cache size: 5, Positive unconditional cache size: 83, Negative cache size: 9, Negative conditional cache size: 7, Negative unconditional cache size: 2, Eliminated conditions: 6, SemanticConditionEliminator.Independence Queries: [ total: 66, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 50, negative conditional: 43, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 66, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 50, negative conditional: 43, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 14, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 9, negative conditional: 7, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 94, positive: 12, positive conditional: 12, positive unconditional: 0, negative: 82, negative conditional: 28, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 66, positive: 11, positive conditional: 11, positive unconditional: 0, negative: 43, negative conditional: 36, negative unconditional: 7, unknown: 12, unknown conditional: 12, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 97, Positive cache size: 88, Positive conditional cache size: 5, Positive unconditional cache size: 83, Negative cache size: 9, Negative conditional cache size: 7, Negative unconditional cache size: 2, Eliminated conditions: 6 ], Maximal queried relation: 4, Independence queries for same thread: 121 - PositiveResult [Line: 52]: 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: 4666.4ms, OverallIterations: 6, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 8.0ms, PartialOrderReductionTime: 1511.8ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 77, 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: 34.8ms SsaConstructionTime, 170.0ms SatisfiabilityAnalysisTime, 1305.6ms InterpolantComputationTime, 312 NumberOfCodeBlocks, 312 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 300 ConstructedInterpolants, 0 QuantifiedInterpolants, 1507 SizeOfPredicates, 15 NumberOfNonLiveVariables, 354 ConjunctsInSsa, 57 ConjunctsInUnsatCore, 12 InterpolantComputations, 0 PerfectInterpolantSequences, 144/230 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...