/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-more/nonblocking-counter-alt2.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9bbddad6b14272d9691b7fb6f1c011d15ab18596-9bbddad [2021-06-14 22:26:42,710 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-14 22:26:42,712 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-14 22:26:42,735 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-14 22:26:43,037 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 22:26:43,076 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-14 22:26:43,077 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-14 22:26:43,077 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-14 22:26:43,077 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-14 22:26:43,079 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-14 22:26:43,079 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-14 22:26:43,080 INFO L138 SettingsManager]: * Use SBE=true [2021-06-14 22:26:43,080 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-14 22:26:43,080 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-14 22:26:43,080 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-14 22:26:43,081 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-14 22:26:43,081 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-14 22:26:43,081 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-14 22:26:43,081 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-14 22:26:43,081 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-14 22:26:43,082 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-14 22:26:43,082 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-14 22:26:43,082 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-14 22:26:43,082 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-14 22:26:43,082 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-14 22:26:43,082 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-14 22:26:43,082 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-14 22:26:43,082 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-14 22:26:43,083 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-14 22:26:43,083 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-14 22:26:43,083 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-14 22:26:43,083 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-14 22:26:43,094 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-14 22:26:43,095 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-06-14 22:26:43,095 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-14 22:26:43,095 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-14 22:26:43,095 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-14 22:26:43,095 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-14 22:26:43,095 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-06-14 22:26:43,096 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-14 22:26:43,367 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-14 22:26:43,396 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-14 22:26:43,398 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-14 22:26:43,399 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-14 22:26:43,400 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-14 22:26:43,401 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/nonblocking-counter-alt2.wvr.bpl [2021-06-14 22:26:43,401 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/nonblocking-counter-alt2.wvr.bpl' [2021-06-14 22:26:43,428 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-14 22:26:43,430 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-14 22:26:43,430 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-14 22:26:43,431 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-14 22:26:43,431 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-14 22:26:43,440 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 10:26:43" (1/1) ... [2021-06-14 22:26:43,445 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 10:26:43" (1/1) ... [2021-06-14 22:26:43,452 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-14 22:26:43,453 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-14 22:26:43,453 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-14 22:26:43,453 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-14 22:26:43,458 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 10:26:43" (1/1) ... [2021-06-14 22:26:43,458 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 10:26:43" (1/1) ... [2021-06-14 22:26:43,458 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 10:26:43" (1/1) ... [2021-06-14 22:26:43,458 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 10:26:43" (1/1) ... [2021-06-14 22:26:43,460 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 10:26:43" (1/1) ... [2021-06-14 22:26:43,462 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 10:26:43" (1/1) ... [2021-06-14 22:26:43,462 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 10:26:43" (1/1) ... [2021-06-14 22:26:43,463 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-14 22:26:43,463 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-14 22:26:43,464 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-14 22:26:43,464 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-14 22:26:43,465 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 10:26:43" (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 22:26:43,529 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-14 22:26:43,529 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-14 22:26:43,529 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-14 22:26:43,529 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-14 22:26:43,529 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-14 22:26:43,529 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-14 22:26:43,530 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-14 22:26:43,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-14 22:26:43,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-14 22:26:43,531 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 22:26:43,704 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-14 22:26:43,704 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-14 22:26:43,706 INFO L202 PluginConnector]: Adding new model nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 10:26:43 BoogieIcfgContainer [2021-06-14 22:26:43,706 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-14 22:26:43,707 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-14 22:26:43,707 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-14 22:26:43,709 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-14 22:26:43,709 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 10:26:43" (1/2) ... [2021-06-14 22:26:43,710 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25fb6141 and model type nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.06 10:26:43, skipping insertion in model container [2021-06-14 22:26:43,710 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 10:26:43" (2/2) ... [2021-06-14 22:26:43,711 INFO L111 eAbstractionObserver]: Analyzing ICFG nonblocking-counter-alt2.wvr.bpl [2021-06-14 22:26:43,715 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-14 22:26:43,715 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-14 22:26:43,716 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-14 22:26:43,716 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-14 22:26:43,783 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-06-14 22:26:43,818 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 22:26:43,880 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-14 22:26:43,881 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-14 22:26:43,881 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-14 22:26:43,881 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-14 22:26:43,881 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-14 22:26:43,881 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-14 22:26:43,882 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-14 22:26:43,882 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-14 22:26:44,033 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 22:26:44,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 22:26:44,037 INFO L82 PathProgramCache]: Analyzing trace with hash -581527831, now seen corresponding path program 1 times [2021-06-14 22:26:44,044 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 22:26:44,045 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779853974] [2021-06-14 22:26:44,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 22:26:44,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 22:26:44,268 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 22:26:44,269 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 22:26:44,269 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779853974] [2021-06-14 22:26:44,270 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [779853974] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 22:26:44,270 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1178259201] [2021-06-14 22:26:44,270 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 22:26:44,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 22:26:44,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-14 22:26:44,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 22:26:44,752 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 22:26:44,752 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1178259201] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 22:26:44,752 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 22:26:44,753 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 10] total 15 [2021-06-14 22:26:44,753 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151056515] [2021-06-14 22:26:44,756 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-14 22:26:44,756 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 22:26:44,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-14 22:26:44,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2021-06-14 22:26:44,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 22:26:44,768 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 22:26:44,770 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 2.533333333333333) internal successors, (38), 15 states have internal predecessors, (38), 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 22:26:44,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 22:26:44,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 22:26:45,182 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-06-14 22:26:45,182 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 22:26:45,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 22:26:45,183 INFO L82 PathProgramCache]: Analyzing trace with hash 36106727, now seen corresponding path program 2 times [2021-06-14 22:26:45,183 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 22:26:45,183 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321632876] [2021-06-14 22:26:45,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 22:26:45,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 22:26:45,302 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-14 22:26:45,302 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 22:26:45,302 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321632876] [2021-06-14 22:26:45,302 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321632876] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 22:26:45,302 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [975369431] [2021-06-14 22:26:45,302 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 22:26:45,347 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-14 22:26:45,347 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 22:26:45,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-14 22:26:45,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 22:26:45,654 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 22:26:45,654 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [975369431] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 22:26:45,654 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 22:26:45,655 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 11] total 16 [2021-06-14 22:26:45,655 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106575650] [2021-06-14 22:26:45,656 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-14 22:26:45,656 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 22:26:45,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-14 22:26:45,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=208, Unknown=0, NotChecked=0, Total=272 [2021-06-14 22:26:45,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 22:26:45,657 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 22:26:45,657 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 2.4705882352941178) internal successors, (42), 16 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 22:26:45,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 22:26:45,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 22:26:46,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 22:26:46,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 22:26:46,356 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 22:26:46,357 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 22:26:46,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 22:26:46,358 INFO L82 PathProgramCache]: Analyzing trace with hash 1536850135, now seen corresponding path program 3 times [2021-06-14 22:26:46,358 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 22:26:46,358 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201508164] [2021-06-14 22:26:46,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 22:26:46,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 22:26:46,918 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 22:26:46,919 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 22:26:46,919 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201508164] [2021-06-14 22:26:46,919 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201508164] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 22:26:46,919 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1751222887] [2021-06-14 22:26:46,919 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 22:26:46,956 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-06-14 22:26:46,956 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 22:26:46,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 37 conjunts are in the unsatisfiable core [2021-06-14 22:26:46,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 22:26:48,193 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 5 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 22:26:48,193 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1751222887] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 22:26:48,193 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 22:26:48,193 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 18] total 37 [2021-06-14 22:26:48,193 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197008428] [2021-06-14 22:26:48,194 INFO L462 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-06-14 22:26:48,194 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 22:26:48,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-06-14 22:26:48,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=1293, Unknown=0, NotChecked=0, Total=1406 [2021-06-14 22:26:48,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 22:26:48,196 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 22:26:48,197 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 38 states, 38 states have (on average 1.9473684210526316) internal successors, (74), 37 states have internal predecessors, (74), 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 22:26:48,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 22:26:48,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 22:26:48,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 22:26:50,510 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 43 [2021-06-14 22:26:52,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 22:26:52,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 22:26:52,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-06-14 22:26:52,337 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 22:26:52,337 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 22:26:52,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 22:26:52,338 INFO L82 PathProgramCache]: Analyzing trace with hash 1472784311, now seen corresponding path program 4 times [2021-06-14 22:26:52,338 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 22:26:52,338 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963833920] [2021-06-14 22:26:52,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 22:26:52,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 22:26:52,975 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 0 proven. 181 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-06-14 22:26:52,976 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 22:26:52,976 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963833920] [2021-06-14 22:26:52,976 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [963833920] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 22:26:52,976 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1154122527] [2021-06-14 22:26:52,976 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 22:26:53,018 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-14 22:26:53,018 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 22:26:53,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 55 conjunts are in the unsatisfiable core [2021-06-14 22:26:53,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 22:26:54,704 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 0 proven. 202 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 22:26:54,704 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1154122527] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 22:26:54,704 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 22:26:54,705 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 26] total 48 [2021-06-14 22:26:54,705 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124023233] [2021-06-14 22:26:54,705 INFO L462 AbstractCegarLoop]: Interpolant automaton has 49 states [2021-06-14 22:26:54,705 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 22:26:54,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-06-14 22:26:54,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=2208, Unknown=0, NotChecked=0, Total=2352 [2021-06-14 22:26:54,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 22:26:54,707 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 22:26:54,707 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 49 states, 49 states have (on average 1.9387755102040816) internal successors, (95), 48 states have internal predecessors, (95), 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 22:26:54,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 22:26:54,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 22:26:54,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-06-14 22:26:54,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 22:27:00,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 22:27:00,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 22:27:00,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-06-14 22:27:00,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-06-14 22:27:00,597 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2021-06-14 22:27:00,598 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 22:27:00,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 22:27:00,598 INFO L82 PathProgramCache]: Analyzing trace with hash -1048345505, now seen corresponding path program 5 times [2021-06-14 22:27:00,598 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 22:27:00,598 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440101105] [2021-06-14 22:27:00,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 22:27:00,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 22:27:00,708 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 35 proven. 45 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2021-06-14 22:27:00,709 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 22:27:00,709 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440101105] [2021-06-14 22:27:00,709 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440101105] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 22:27:00,709 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1232411306] [2021-06-14 22:27:00,709 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 22:27:00,767 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2021-06-14 22:27:00,767 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 22:27:00,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 51 conjunts are in the unsatisfiable core [2021-06-14 22:27:00,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2021-06-14 22:41:21,528 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 22:41:21,528 WARN L547 AbstractCegarLoop]: Verification canceled [2021-06-14 22:41:21,535 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-14 22:41:21,536 WARN L196 ceAbstractionStarter]: Timeout [2021-06-14 22:41:21,536 INFO L202 PluginConnector]: Adding new model nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.06 10:41:21 BasicIcfg [2021-06-14 22:41:21,536 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-14 22:41:21,537 INFO L168 Benchmark]: Toolchain (without parser) took 878107.37 ms. Allocated memory was 180.4 MB in the beginning and 451.9 MB in the end (delta: 271.6 MB). Free memory was 160.6 MB in the beginning and 376.2 MB in the end (delta: -215.5 MB). Peak memory consumption was 297.5 MB. Max. memory is 8.0 GB. [2021-06-14 22:41:21,537 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.16 ms. Allocated memory is still 180.4 MB. Free memory is still 161.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-14 22:41:21,537 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.41 ms. Allocated memory is still 180.4 MB. Free memory was 160.5 MB in the beginning and 159.1 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-06-14 22:41:21,537 INFO L168 Benchmark]: Boogie Preprocessor took 10.38 ms. Allocated memory is still 180.4 MB. Free memory was 159.1 MB in the beginning and 158.2 MB in the end (delta: 908.4 kB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-14 22:41:21,537 INFO L168 Benchmark]: RCFGBuilder took 242.45 ms. Allocated memory is still 180.4 MB. Free memory was 158.1 MB in the beginning and 146.8 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-06-14 22:41:21,538 INFO L168 Benchmark]: TraceAbstraction took 877829.17 ms. Allocated memory was 180.4 MB in the beginning and 451.9 MB in the end (delta: 271.6 MB). Free memory was 146.4 MB in the beginning and 376.2 MB in the end (delta: -229.8 MB). Peak memory consumption was 282.8 MB. Max. memory is 8.0 GB. [2021-06-14 22:41:21,541 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 180.4 MB. Free memory is still 161.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 21.41 ms. Allocated memory is still 180.4 MB. Free memory was 160.5 MB in the beginning and 159.1 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 8.0 GB. * Boogie Preprocessor took 10.38 ms. Allocated memory is still 180.4 MB. Free memory was 159.1 MB in the beginning and 158.2 MB in the end (delta: 908.4 kB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 242.45 ms. Allocated memory is still 180.4 MB. Free memory was 158.1 MB in the beginning and 146.8 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 877829.17 ms. Allocated memory was 180.4 MB in the beginning and 451.9 MB in the end (delta: 271.6 MB). Free memory was 146.4 MB in the beginning and 376.2 MB in the end (delta: -229.8 MB). Peak memory consumption was 282.8 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: 511, positive: 364, positive conditional: 270, positive unconditional: 94, negative: 147, negative conditional: 144, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 382, positive: 364, positive conditional: 270, positive unconditional: 94, 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: 382, positive: 351, positive conditional: 0, positive unconditional: 351, negative: 31, negative conditional: 0, negative unconditional: 31, 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: 21, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 15, negative conditional: 13, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 166, positive: 34, positive conditional: 34, positive unconditional: 0, negative: 132, negative conditional: 58, negative unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 382, positive: 269, positive conditional: 0, positive unconditional: 269, negative: 29, negative conditional: 0, negative unconditional: 29, unknown: 84, unknown conditional: 0, unknown unconditional: 84] , Statistics on independence cache: Total cache size (in pairs): 103, Positive cache size: 88, Positive conditional cache size: 6, Positive unconditional cache size: 82, Negative cache size: 15, Negative conditional cache size: 13, Negative unconditional cache size: 2, SemanticConditionEliminator.Independence Queries: [ total: 68, positive: 13, positive conditional: 13, positive unconditional: 0, negative: 55, negative conditional: 54, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 68, positive: 13, positive conditional: 13, positive unconditional: 0, negative: 55, negative conditional: 54, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 21, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 15, negative conditional: 13, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 166, positive: 34, positive conditional: 34, positive unconditional: 0, negative: 132, negative conditional: 58, negative unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 68, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 42, negative conditional: 41, negative unconditional: 1, unknown: 19, unknown conditional: 19, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 103, Positive cache size: 88, Positive conditional cache size: 6, Positive unconditional cache size: 82, Negative cache size: 15, Negative conditional cache size: 13, Negative unconditional cache size: 2, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 68, positive: 13, positive conditional: 13, positive unconditional: 0, negative: 55, negative conditional: 54, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 68, positive: 13, positive conditional: 13, positive unconditional: 0, negative: 55, negative conditional: 54, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 21, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 15, negative conditional: 13, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 166, positive: 34, positive conditional: 34, positive unconditional: 0, negative: 132, negative conditional: 58, negative unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 68, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 42, negative conditional: 41, negative unconditional: 1, unknown: 19, unknown conditional: 19, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 103, Positive cache size: 88, Positive conditional cache size: 6, Positive unconditional cache size: 82, Negative cache size: 15, Negative conditional cache size: 13, Negative unconditional cache size: 2, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 68, positive: 13, positive conditional: 13, positive unconditional: 0, negative: 55, negative conditional: 54, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 68, positive: 13, positive conditional: 13, positive unconditional: 0, negative: 55, negative conditional: 54, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 21, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 15, negative conditional: 13, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 166, positive: 34, positive conditional: 34, positive unconditional: 0, negative: 132, negative conditional: 58, negative unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 68, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 42, negative conditional: 41, negative unconditional: 1, unknown: 19, unknown conditional: 19, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 103, Positive cache size: 88, Positive conditional cache size: 6, Positive unconditional cache size: 82, Negative cache size: 15, Negative conditional cache size: 13, Negative unconditional cache size: 2, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 68, positive: 13, positive conditional: 13, positive unconditional: 0, negative: 55, negative conditional: 54, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 68, positive: 13, positive conditional: 13, positive unconditional: 0, negative: 55, negative conditional: 54, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 21, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 15, negative conditional: 13, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 166, positive: 34, positive conditional: 34, positive unconditional: 0, negative: 132, negative conditional: 58, negative unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 68, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 42, negative conditional: 41, negative unconditional: 1, unknown: 19, unknown conditional: 19, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 103, Positive cache size: 88, Positive conditional cache size: 6, Positive unconditional cache size: 82, Negative cache size: 15, Negative conditional cache size: 13, Negative unconditional cache size: 2, Eliminated conditions: 0 ], Maximal queried relation: 4, Independence queries for same thread: 129 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 160, Number of persistent set computation: 434, Number of trivial persistent sets: 362, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 511, positive: 364, positive conditional: 270, positive unconditional: 94, negative: 147, negative conditional: 144, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 382, positive: 364, positive conditional: 270, positive unconditional: 94, 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: 382, positive: 351, positive conditional: 0, positive unconditional: 351, negative: 31, negative conditional: 0, negative unconditional: 31, 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: 21, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 15, negative conditional: 13, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 166, positive: 34, positive conditional: 34, positive unconditional: 0, negative: 132, negative conditional: 58, negative unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 382, positive: 269, positive conditional: 0, positive unconditional: 269, negative: 29, negative conditional: 0, negative unconditional: 29, unknown: 84, unknown conditional: 0, unknown unconditional: 84] , Statistics on independence cache: Total cache size (in pairs): 103, Positive cache size: 88, Positive conditional cache size: 6, Positive unconditional cache size: 82, Negative cache size: 15, Negative conditional cache size: 13, Negative unconditional cache size: 2, SemanticConditionEliminator.Independence Queries: [ total: 68, positive: 13, positive conditional: 13, positive unconditional: 0, negative: 55, negative conditional: 54, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 68, positive: 13, positive conditional: 13, positive unconditional: 0, negative: 55, negative conditional: 54, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 21, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 15, negative conditional: 13, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 166, positive: 34, positive conditional: 34, positive unconditional: 0, negative: 132, negative conditional: 58, negative unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 68, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 42, negative conditional: 41, negative unconditional: 1, unknown: 19, unknown conditional: 19, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 103, Positive cache size: 88, Positive conditional cache size: 6, Positive unconditional cache size: 82, Negative cache size: 15, Negative conditional cache size: 13, Negative unconditional cache size: 2, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 68, positive: 13, positive conditional: 13, positive unconditional: 0, negative: 55, negative conditional: 54, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 68, positive: 13, positive conditional: 13, positive unconditional: 0, negative: 55, negative conditional: 54, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 21, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 15, negative conditional: 13, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 166, positive: 34, positive conditional: 34, positive unconditional: 0, negative: 132, negative conditional: 58, negative unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 68, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 42, negative conditional: 41, negative unconditional: 1, unknown: 19, unknown conditional: 19, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 103, Positive cache size: 88, Positive conditional cache size: 6, Positive unconditional cache size: 82, Negative cache size: 15, Negative conditional cache size: 13, Negative unconditional cache size: 2, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 68, positive: 13, positive conditional: 13, positive unconditional: 0, negative: 55, negative conditional: 54, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 68, positive: 13, positive conditional: 13, positive unconditional: 0, negative: 55, negative conditional: 54, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 21, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 15, negative conditional: 13, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 166, positive: 34, positive conditional: 34, positive unconditional: 0, negative: 132, negative conditional: 58, negative unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 68, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 42, negative conditional: 41, negative unconditional: 1, unknown: 19, unknown conditional: 19, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 103, Positive cache size: 88, Positive conditional cache size: 6, Positive unconditional cache size: 82, Negative cache size: 15, Negative conditional cache size: 13, Negative unconditional cache size: 2, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 68, positive: 13, positive conditional: 13, positive unconditional: 0, negative: 55, negative conditional: 54, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 68, positive: 13, positive conditional: 13, positive unconditional: 0, negative: 55, negative conditional: 54, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 21, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 15, negative conditional: 13, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 166, positive: 34, positive conditional: 34, positive unconditional: 0, negative: 132, negative conditional: 58, negative unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 68, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 42, negative conditional: 41, negative unconditional: 1, unknown: 19, unknown conditional: 19, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 103, Positive cache size: 88, Positive conditional cache size: 6, Positive unconditional cache size: 82, Negative cache size: 15, Negative conditional cache size: 13, Negative unconditional cache size: 2, Eliminated conditions: 0 ], Maximal queried relation: 4, Independence queries for same thread: 129 - TimeoutResultAtElement [Line: 51]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 56 with TraceHistMax 12,while TraceCheckSpWp was constructing forward predicates,while ExplicitLhsPolynomialRelations was build 0 of 1 xjuncts. - 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: TIMEOUT, OverallTime: 877693.9ms, OverallIterations: 5, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 11.3ms, PartialOrderReductionTime: 10419.7ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 147, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 25.5ms SsaConstructionTime, 212.4ms SatisfiabilityAnalysisTime, 5007.0ms InterpolantComputationTime, 284 NumberOfCodeBlocks, 284 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 276 ConstructedInterpolants, 0 QuantifiedInterpolants, 4413 SizeOfPredicates, 13 NumberOfNonLiveVariables, 321 ConjunctsInSsa, 120 ConjunctsInUnsatCore, 8 InterpolantComputations, 0 PerfectInterpolantSequences, 53/602 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 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown