/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/nonblocking-cntr.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9bbddad6b14272d9691b7fb6f1c011d15ab18596-9bbddad [2021-06-14 21:24:43,714 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-14 21:24:43,716 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-14 21:24:43,736 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-14 21:24:43,827 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 21:24:43,855 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-14 21:24:43,855 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-14 21:24:43,856 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-14 21:24:43,856 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-14 21:24:43,858 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-14 21:24:43,858 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-14 21:24:43,858 INFO L138 SettingsManager]: * Use SBE=true [2021-06-14 21:24:43,858 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-14 21:24:43,858 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-14 21:24:43,859 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-14 21:24:43,859 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-14 21:24:43,859 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-14 21:24:43,859 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-14 21:24:43,859 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-14 21:24:43,859 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-14 21:24:43,860 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-14 21:24:43,860 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-14 21:24:43,860 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-14 21:24:43,860 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-14 21:24:43,860 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-14 21:24:43,860 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-14 21:24:43,860 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-14 21:24:43,860 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-14 21:24:43,860 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-14 21:24:43,860 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-14 21:24:43,860 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-14 21:24:43,860 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-14 21:24:43,861 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-14 21:24:43,861 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-06-14 21:24:43,861 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-14 21:24:43,861 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-14 21:24:43,861 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-14 21:24:43,861 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-14 21:24:43,861 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-06-14 21:24:43,861 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-14 21:24:44,117 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-14 21:24:44,140 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-14 21:24:44,142 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-14 21:24:44,143 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-14 21:24:44,144 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-14 21:24:44,144 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/nonblocking-cntr.wvr.bpl [2021-06-14 21:24:44,144 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/nonblocking-cntr.wvr.bpl' [2021-06-14 21:24:44,163 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-14 21:24:44,164 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-14 21:24:44,165 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-14 21:24:44,166 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-14 21:24:44,166 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-14 21:24:44,174 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "nonblocking-cntr.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 09:24:44" (1/1) ... [2021-06-14 21:24:44,180 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "nonblocking-cntr.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 09:24:44" (1/1) ... [2021-06-14 21:24:44,185 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-14 21:24:44,186 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-14 21:24:44,186 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-14 21:24:44,186 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-14 21:24:44,191 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "nonblocking-cntr.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 09:24:44" (1/1) ... [2021-06-14 21:24:44,192 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "nonblocking-cntr.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 09:24:44" (1/1) ... [2021-06-14 21:24:44,196 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "nonblocking-cntr.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 09:24:44" (1/1) ... [2021-06-14 21:24:44,196 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "nonblocking-cntr.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 09:24:44" (1/1) ... [2021-06-14 21:24:44,198 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "nonblocking-cntr.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 09:24:44" (1/1) ... [2021-06-14 21:24:44,200 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "nonblocking-cntr.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 09:24:44" (1/1) ... [2021-06-14 21:24:44,201 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "nonblocking-cntr.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 09:24:44" (1/1) ... [2021-06-14 21:24:44,201 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-14 21:24:44,202 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-14 21:24:44,202 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-14 21:24:44,202 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-14 21:24:44,205 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "nonblocking-cntr.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 09:24:44" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-14 21:24:44,262 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-14 21:24:44,262 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-14 21:24:44,262 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-14 21:24:44,262 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-14 21:24:44,262 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-14 21:24:44,262 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-14 21:24:44,263 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-14 21:24:44,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-14 21:24:44,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-14 21:24:44,263 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 21:24:44,389 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-14 21:24:44,389 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-14 21:24:44,390 INFO L202 PluginConnector]: Adding new model nonblocking-cntr.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 09:24:44 BoogieIcfgContainer [2021-06-14 21:24:44,390 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-14 21:24:44,392 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-14 21:24:44,392 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-14 21:24:44,393 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-14 21:24:44,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "nonblocking-cntr.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 09:24:44" (1/2) ... [2021-06-14 21:24:44,394 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3db7b123 and model type nonblocking-cntr.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.06 09:24:44, skipping insertion in model container [2021-06-14 21:24:44,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "nonblocking-cntr.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 09:24:44" (2/2) ... [2021-06-14 21:24:44,395 INFO L111 eAbstractionObserver]: Analyzing ICFG nonblocking-cntr.wvr.bpl [2021-06-14 21:24:44,398 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-14 21:24:44,398 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-14 21:24:44,399 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-14 21:24:44,399 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-14 21:24:44,428 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-06-14 21:24:44,445 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 21:24:44,498 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-14 21:24:44,498 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-14 21:24:44,498 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-14 21:24:44,498 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-14 21:24:44,498 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-14 21:24:44,499 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-14 21:24:44,499 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-14 21:24:44,499 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-14 21:24:44,604 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 21:24:44,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 21:24:44,608 INFO L82 PathProgramCache]: Analyzing trace with hash -409656923, now seen corresponding path program 1 times [2021-06-14 21:24:44,615 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 21:24:44,616 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918322492] [2021-06-14 21:24:44,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 21:24:44,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 21:24:44,797 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 21:24:44,797 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 21:24:44,798 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918322492] [2021-06-14 21:24:44,799 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1918322492] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 21:24:44,800 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1214268978] [2021-06-14 21:24:44,800 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 21:24:44,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 21:24:44,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-14 21:24:44,844 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 21:24:45,065 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 21:24:45,065 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1214268978] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 21:24:45,066 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 21:24:45,066 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2021-06-14 21:24:45,067 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501779247] [2021-06-14 21:24:45,073 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-14 21:24:45,073 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 21:24:45,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-14 21:24:45,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2021-06-14 21:24:45,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 21:24:45,088 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 21:24:45,089 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 2.2666666666666666) internal successors, (34), 14 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 21:24:45,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 21:24:45,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 21:24:45,593 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-06-14 21:24:45,593 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 21:24:45,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 21:24:45,593 INFO L82 PathProgramCache]: Analyzing trace with hash 121851197, now seen corresponding path program 2 times [2021-06-14 21:24:45,594 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 21:24:45,594 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760907886] [2021-06-14 21:24:45,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 21:24:45,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 21:24:45,697 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-14 21:24:45,697 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 21:24:45,697 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760907886] [2021-06-14 21:24:45,697 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760907886] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 21:24:45,697 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1619757607] [2021-06-14 21:24:45,697 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 21:24:45,722 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-14 21:24:45,722 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 21:24:45,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-14 21:24:45,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 21:24:45,841 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-14 21:24:45,842 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1619757607] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 21:24:45,842 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 21:24:45,842 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-06-14 21:24:45,842 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057726345] [2021-06-14 21:24:45,843 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-14 21:24:45,843 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 21:24:45,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-14 21:24:45,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-14 21:24:45,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 21:24:45,845 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 21:24:45,846 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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 21:24:45,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 21:24:45,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 21:24:45,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 21:24:45,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 21:24:46,104 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 21:24:46,105 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 21:24:46,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 21:24:46,105 INFO L82 PathProgramCache]: Analyzing trace with hash -1829547825, now seen corresponding path program 3 times [2021-06-14 21:24:46,105 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 21:24:46,105 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741512281] [2021-06-14 21:24:46,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 21:24:46,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 21:24:46,159 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-14 21:24:46,160 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 21:24:46,160 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741512281] [2021-06-14 21:24:46,160 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1741512281] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 21:24:46,160 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [952813629] [2021-06-14 21:24:46,160 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 21:24:46,197 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-14 21:24:46,197 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 21:24:46,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 10 conjunts are in the unsatisfiable core [2021-06-14 21:24:46,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 21:24:46,354 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 21:24:46,354 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [952813629] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 21:24:46,355 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 21:24:46,355 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9] total 13 [2021-06-14 21:24:46,355 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998092653] [2021-06-14 21:24:46,356 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-14 21:24:46,356 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 21:24:46,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-14 21:24:46,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2021-06-14 21:24:46,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 21:24:46,358 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 21:24:46,358 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 21:24:46,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 21:24:46,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 21:24:46,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 21:24:46,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 21:24:46,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 21:24:46,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 21:24:46,804 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 21:24:46,805 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 21:24:46,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 21:24:46,805 INFO L82 PathProgramCache]: Analyzing trace with hash -736535129, now seen corresponding path program 4 times [2021-06-14 21:24:46,805 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 21:24:46,805 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209566961] [2021-06-14 21:24:46,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 21:24:46,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 21:24:46,860 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 21:24:46,860 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 21:24:46,860 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209566961] [2021-06-14 21:24:46,860 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209566961] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 21:24:46,860 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [758496677] [2021-06-14 21:24:46,860 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 21:24:46,895 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-14 21:24:46,895 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 21:24:46,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-14 21:24:46,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 21:24:47,071 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 21:24:47,071 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [758496677] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 21:24:47,071 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 21:24:47,071 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10] total 15 [2021-06-14 21:24:47,072 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001082639] [2021-06-14 21:24:47,072 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-06-14 21:24:47,072 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 21:24:47,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-06-14 21:24:47,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2021-06-14 21:24:47,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 21:24:47,072 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 21:24:47,073 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 2.5) internal successors, (40), 15 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 21:24:47,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 21:24:47,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 21:24:47,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-14 21:24:47,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 21:24:47,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 21:24:47,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 21:24:47,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 21:24:47,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 21:24:47,689 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 21:24:47,689 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 21:24:47,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 21:24:47,690 INFO L82 PathProgramCache]: Analyzing trace with hash 1012061053, now seen corresponding path program 5 times [2021-06-14 21:24:47,690 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 21:24:47,690 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746785274] [2021-06-14 21:24:47,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 21:24:47,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 21:24:47,757 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 12 proven. 16 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-06-14 21:24:47,758 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 21:24:47,758 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746785274] [2021-06-14 21:24:47,758 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746785274] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 21:24:47,758 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1120194506] [2021-06-14 21:24:47,758 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 21:24:47,787 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-14 21:24:47,787 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 21:24:47,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 10 conjunts are in the unsatisfiable core [2021-06-14 21:24:47,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 21:24:47,887 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 10 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-06-14 21:24:47,887 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1120194506] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 21:24:47,887 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 21:24:47,887 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2021-06-14 21:24:47,887 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465001391] [2021-06-14 21:24:47,887 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-14 21:24:47,887 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 21:24:47,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-14 21:24:47,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-06-14 21:24:47,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 21:24:47,889 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 21:24:47,889 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 3.5) internal successors, (42), 12 states have internal predecessors, (42), 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 21:24:47,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 21:24:47,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 21:24:47,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-14 21:24:47,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 21:24:47,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 21:24:48,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 21:24:48,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 21:24:48,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 21:24:48,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 21:24:48,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 21:24:48,296 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 21:24:48,297 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 21:24:48,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 21:24:48,297 INFO L82 PathProgramCache]: Analyzing trace with hash -1549603627, now seen corresponding path program 6 times [2021-06-14 21:24:48,297 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 21:24:48,297 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790945209] [2021-06-14 21:24:48,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 21:24:48,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 21:24:48,418 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 6 proven. 40 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-14 21:24:48,419 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 21:24:48,419 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790945209] [2021-06-14 21:24:48,419 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790945209] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 21:24:48,419 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1324709070] [2021-06-14 21:24:48,419 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 21:24:48,458 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-06-14 21:24:48,459 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 21:24:48,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 28 conjunts are in the unsatisfiable core [2021-06-14 21:24:48,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 21:24:48,783 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 5 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 21:24:48,783 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1324709070] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 21:24:48,783 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 21:24:48,783 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 16] total 27 [2021-06-14 21:24:48,783 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939076513] [2021-06-14 21:24:48,784 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-14 21:24:48,784 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 21:24:48,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-14 21:24:48,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=640, Unknown=0, NotChecked=0, Total=756 [2021-06-14 21:24:48,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 21:24:48,784 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 21:24:48,785 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 2.107142857142857) internal successors, (59), 27 states have internal predecessors, (59), 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 21:24:48,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 21:24:48,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 21:24:48,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-14 21:24:48,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 21:24:48,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-14 21:24:48,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 21:24:49,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 21:24:49,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 21:24:49,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 21:24:49,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-14 21:24:49,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 21:24:49,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-14 21:24:50,176 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 21:24:50,184 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-14 21:24:50,185 INFO L202 PluginConnector]: Adding new model nonblocking-cntr.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.06 09:24:50 BasicIcfg [2021-06-14 21:24:50,186 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-14 21:24:50,186 INFO L168 Benchmark]: Toolchain (without parser) took 6021.68 ms. Allocated memory was 217.1 MB in the beginning and 326.1 MB in the end (delta: 109.1 MB). Free memory was 195.8 MB in the beginning and 144.6 MB in the end (delta: 51.2 MB). Peak memory consumption was 161.7 MB. Max. memory is 8.0 GB. [2021-06-14 21:24:50,186 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.13 ms. Allocated memory is still 217.1 MB. Free memory is still 196.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-14 21:24:50,186 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.13 ms. Allocated memory is still 217.1 MB. Free memory was 195.7 MB in the beginning and 194.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-14 21:24:50,186 INFO L168 Benchmark]: Boogie Preprocessor took 15.20 ms. Allocated memory is still 217.1 MB. Free memory was 194.3 MB in the beginning and 193.4 MB in the end (delta: 887.5 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-14 21:24:50,186 INFO L168 Benchmark]: RCFGBuilder took 188.61 ms. Allocated memory is still 217.1 MB. Free memory was 193.3 MB in the beginning and 182.2 MB in the end (delta: 11.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2021-06-14 21:24:50,186 INFO L168 Benchmark]: TraceAbstraction took 5794.05 ms. Allocated memory was 217.1 MB in the beginning and 326.1 MB in the end (delta: 109.1 MB). Free memory was 181.9 MB in the beginning and 144.6 MB in the end (delta: 37.2 MB). Peak memory consumption was 147.0 MB. Max. memory is 8.0 GB. [2021-06-14 21:24:50,187 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 0.13 ms. Allocated memory is still 217.1 MB. Free memory is still 196.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 20.13 ms. Allocated memory is still 217.1 MB. Free memory was 195.7 MB in the beginning and 194.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 15.20 ms. Allocated memory is still 217.1 MB. Free memory was 194.3 MB in the beginning and 193.4 MB in the end (delta: 887.5 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 188.61 ms. Allocated memory is still 217.1 MB. Free memory was 193.3 MB in the beginning and 182.2 MB in the end (delta: 11.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 5794.05 ms. Allocated memory was 217.1 MB in the beginning and 326.1 MB in the end (delta: 109.1 MB). Free memory was 181.9 MB in the beginning and 144.6 MB in the end (delta: 37.2 MB). Peak memory consumption was 147.0 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: 820, positive: 596, positive conditional: 488, positive unconditional: 108, negative: 224, negative conditional: 221, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 614, positive: 596, positive conditional: 488, positive unconditional: 108, negative: 18, negative conditional: 15, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 614, positive: 567, positive conditional: 0, positive unconditional: 567, negative: 47, negative conditional: 0, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 84, positive: 82, positive conditional: 0, positive unconditional: 82, 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: 84, positive: 82, positive conditional: 0, positive unconditional: 82, 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: 23, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 21, negative conditional: 19, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 95, positive: 12, positive conditional: 12, positive unconditional: 0, negative: 83, negative conditional: 35, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 614, positive: 485, positive conditional: 0, positive unconditional: 485, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 84, unknown conditional: 0, unknown unconditional: 84] , Statistics on independence cache: Total cache size (in pairs): 105, Positive cache size: 84, Positive conditional cache size: 2, Positive unconditional cache size: 82, Negative cache size: 21, Negative conditional cache size: 19, Negative unconditional cache size: 2, SemanticConditionEliminator.Independence Queries: [ total: 114, positive: 29, positive conditional: 29, positive unconditional: 0, negative: 85, negative conditional: 81, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 114, positive: 29, positive conditional: 29, positive unconditional: 0, negative: 85, negative conditional: 81, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 23, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 21, negative conditional: 19, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 95, positive: 12, positive conditional: 12, positive unconditional: 0, negative: 83, negative conditional: 35, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 114, positive: 27, positive conditional: 27, positive unconditional: 0, negative: 66, negative conditional: 62, negative unconditional: 4, unknown: 21, unknown conditional: 21, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 105, Positive cache size: 84, Positive conditional cache size: 2, Positive unconditional cache size: 82, Negative cache size: 21, Negative conditional cache size: 19, Negative unconditional cache size: 2, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 114, positive: 29, positive conditional: 29, positive unconditional: 0, negative: 85, negative conditional: 81, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 114, positive: 29, positive conditional: 29, positive unconditional: 0, negative: 85, negative conditional: 81, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 23, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 21, negative conditional: 19, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 95, positive: 12, positive conditional: 12, positive unconditional: 0, negative: 83, negative conditional: 35, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 114, positive: 27, positive conditional: 27, positive unconditional: 0, negative: 66, negative conditional: 62, negative unconditional: 4, unknown: 21, unknown conditional: 21, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 105, Positive cache size: 84, Positive conditional cache size: 2, Positive unconditional cache size: 82, Negative cache size: 21, Negative conditional cache size: 19, Negative unconditional cache size: 2, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 114, positive: 29, positive conditional: 29, positive unconditional: 0, negative: 85, negative conditional: 81, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 114, positive: 29, positive conditional: 29, positive unconditional: 0, negative: 85, negative conditional: 81, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 23, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 21, negative conditional: 19, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 95, positive: 12, positive conditional: 12, positive unconditional: 0, negative: 83, negative conditional: 35, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 114, positive: 27, positive conditional: 27, positive unconditional: 0, negative: 66, negative conditional: 62, negative unconditional: 4, unknown: 21, unknown conditional: 21, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 105, Positive cache size: 84, Positive conditional cache size: 2, Positive unconditional cache size: 82, Negative cache size: 21, Negative conditional cache size: 19, Negative unconditional cache size: 2, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 114, positive: 29, positive conditional: 29, positive unconditional: 0, negative: 85, negative conditional: 81, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 114, positive: 29, positive conditional: 29, positive unconditional: 0, negative: 85, negative conditional: 81, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 23, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 21, negative conditional: 19, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 95, positive: 12, positive conditional: 12, positive unconditional: 0, negative: 83, negative conditional: 35, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 114, positive: 27, positive conditional: 27, positive unconditional: 0, negative: 66, negative conditional: 62, negative unconditional: 4, unknown: 21, unknown conditional: 21, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 105, Positive cache size: 84, Positive conditional cache size: 2, Positive unconditional cache size: 82, Negative cache size: 21, Negative conditional cache size: 19, Negative unconditional cache size: 2, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 114, positive: 29, positive conditional: 29, positive unconditional: 0, negative: 85, negative conditional: 81, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 114, positive: 29, positive conditional: 29, positive unconditional: 0, negative: 85, negative conditional: 81, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 23, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 21, negative conditional: 19, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 95, positive: 12, positive conditional: 12, positive unconditional: 0, negative: 83, negative conditional: 35, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 114, positive: 27, positive conditional: 27, positive unconditional: 0, negative: 66, negative conditional: 62, negative unconditional: 4, unknown: 21, unknown conditional: 21, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 105, Positive cache size: 84, Positive conditional cache size: 2, Positive unconditional cache size: 82, Negative cache size: 21, Negative conditional cache size: 19, Negative unconditional cache size: 2, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 114, positive: 29, positive conditional: 29, positive unconditional: 0, negative: 85, negative conditional: 81, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 114, positive: 29, positive conditional: 29, positive unconditional: 0, negative: 85, negative conditional: 81, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 23, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 21, negative conditional: 19, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 95, positive: 12, positive conditional: 12, positive unconditional: 0, negative: 83, negative conditional: 35, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 114, positive: 27, positive conditional: 27, positive unconditional: 0, negative: 66, negative conditional: 62, negative unconditional: 4, unknown: 21, unknown conditional: 21, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 105, Positive cache size: 84, Positive conditional cache size: 2, Positive unconditional cache size: 82, Negative cache size: 21, Negative conditional cache size: 19, Negative unconditional cache size: 2, Eliminated conditions: 0 ], Maximal queried relation: 6, Independence queries for same thread: 206 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 147, Number of persistent set computation: 729, Number of trivial persistent sets: 570, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 820, positive: 596, positive conditional: 488, positive unconditional: 108, negative: 224, negative conditional: 221, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 614, positive: 596, positive conditional: 488, positive unconditional: 108, negative: 18, negative conditional: 15, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 614, positive: 567, positive conditional: 0, positive unconditional: 567, negative: 47, negative conditional: 0, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 84, positive: 82, positive conditional: 0, positive unconditional: 82, 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: 84, positive: 82, positive conditional: 0, positive unconditional: 82, 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: 23, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 21, negative conditional: 19, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 95, positive: 12, positive conditional: 12, positive unconditional: 0, negative: 83, negative conditional: 35, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 614, positive: 485, positive conditional: 0, positive unconditional: 485, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 84, unknown conditional: 0, unknown unconditional: 84] , Statistics on independence cache: Total cache size (in pairs): 105, Positive cache size: 84, Positive conditional cache size: 2, Positive unconditional cache size: 82, Negative cache size: 21, Negative conditional cache size: 19, Negative unconditional cache size: 2, SemanticConditionEliminator.Independence Queries: [ total: 114, positive: 29, positive conditional: 29, positive unconditional: 0, negative: 85, negative conditional: 81, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 114, positive: 29, positive conditional: 29, positive unconditional: 0, negative: 85, negative conditional: 81, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 23, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 21, negative conditional: 19, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 95, positive: 12, positive conditional: 12, positive unconditional: 0, negative: 83, negative conditional: 35, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 114, positive: 27, positive conditional: 27, positive unconditional: 0, negative: 66, negative conditional: 62, negative unconditional: 4, unknown: 21, unknown conditional: 21, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 105, Positive cache size: 84, Positive conditional cache size: 2, Positive unconditional cache size: 82, Negative cache size: 21, Negative conditional cache size: 19, Negative unconditional cache size: 2, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 114, positive: 29, positive conditional: 29, positive unconditional: 0, negative: 85, negative conditional: 81, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 114, positive: 29, positive conditional: 29, positive unconditional: 0, negative: 85, negative conditional: 81, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 23, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 21, negative conditional: 19, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 95, positive: 12, positive conditional: 12, positive unconditional: 0, negative: 83, negative conditional: 35, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 114, positive: 27, positive conditional: 27, positive unconditional: 0, negative: 66, negative conditional: 62, negative unconditional: 4, unknown: 21, unknown conditional: 21, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 105, Positive cache size: 84, Positive conditional cache size: 2, Positive unconditional cache size: 82, Negative cache size: 21, Negative conditional cache size: 19, Negative unconditional cache size: 2, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 114, positive: 29, positive conditional: 29, positive unconditional: 0, negative: 85, negative conditional: 81, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 114, positive: 29, positive conditional: 29, positive unconditional: 0, negative: 85, negative conditional: 81, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 23, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 21, negative conditional: 19, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 95, positive: 12, positive conditional: 12, positive unconditional: 0, negative: 83, negative conditional: 35, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 114, positive: 27, positive conditional: 27, positive unconditional: 0, negative: 66, negative conditional: 62, negative unconditional: 4, unknown: 21, unknown conditional: 21, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 105, Positive cache size: 84, Positive conditional cache size: 2, Positive unconditional cache size: 82, Negative cache size: 21, Negative conditional cache size: 19, Negative unconditional cache size: 2, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 114, positive: 29, positive conditional: 29, positive unconditional: 0, negative: 85, negative conditional: 81, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 114, positive: 29, positive conditional: 29, positive unconditional: 0, negative: 85, negative conditional: 81, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 23, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 21, negative conditional: 19, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 95, positive: 12, positive conditional: 12, positive unconditional: 0, negative: 83, negative conditional: 35, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 114, positive: 27, positive conditional: 27, positive unconditional: 0, negative: 66, negative conditional: 62, negative unconditional: 4, unknown: 21, unknown conditional: 21, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 105, Positive cache size: 84, Positive conditional cache size: 2, Positive unconditional cache size: 82, Negative cache size: 21, Negative conditional cache size: 19, Negative unconditional cache size: 2, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 114, positive: 29, positive conditional: 29, positive unconditional: 0, negative: 85, negative conditional: 81, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 114, positive: 29, positive conditional: 29, positive unconditional: 0, negative: 85, negative conditional: 81, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 23, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 21, negative conditional: 19, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 95, positive: 12, positive conditional: 12, positive unconditional: 0, negative: 83, negative conditional: 35, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 114, positive: 27, positive conditional: 27, positive unconditional: 0, negative: 66, negative conditional: 62, negative unconditional: 4, unknown: 21, unknown conditional: 21, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 105, Positive cache size: 84, Positive conditional cache size: 2, Positive unconditional cache size: 82, Negative cache size: 21, Negative conditional cache size: 19, Negative unconditional cache size: 2, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 114, positive: 29, positive conditional: 29, positive unconditional: 0, negative: 85, negative conditional: 81, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 114, positive: 29, positive conditional: 29, positive unconditional: 0, negative: 85, negative conditional: 81, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 23, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 21, negative conditional: 19, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 95, positive: 12, positive conditional: 12, positive unconditional: 0, negative: 83, negative conditional: 35, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 114, positive: 27, positive conditional: 27, positive unconditional: 0, negative: 66, negative conditional: 62, negative unconditional: 4, unknown: 21, unknown conditional: 21, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 105, Positive cache size: 84, Positive conditional cache size: 2, Positive unconditional cache size: 82, Negative cache size: 21, Negative conditional cache size: 19, Negative unconditional cache size: 2, Eliminated conditions: 0 ], Maximal queried relation: 6, Independence queries for same thread: 206 - PositiveResult [Line: 50]: 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: 5727.6ms, OverallIterations: 6, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 9.4ms, PartialOrderReductionTime: 2447.9ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 110, 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: 21.3ms SsaConstructionTime, 117.7ms SatisfiabilityAnalysisTime, 1563.1ms InterpolantComputationTime, 320 NumberOfCodeBlocks, 320 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 308 ConstructedInterpolants, 0 QuantifiedInterpolants, 2000 SizeOfPredicates, 17 NumberOfNonLiveVariables, 349 ConjunctsInSsa, 81 ConjunctsInUnsatCore, 12 InterpolantComputations, 0 PerfectInterpolantSequences, 111/254 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...