/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-DelaySleep-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/incr-decr16.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-8b99979fc9bd30b823d307a67cb055caa4790482-8b99979 [2021-06-30 14:29:16,513 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-30 14:29:16,515 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-30 14:29:16,543 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-30 14:29:16,587 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe-Lockstep.epf [2021-06-30 14:29:16,611 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-30 14:29:16,611 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-30 14:29:16,611 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-30 14:29:16,611 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-30 14:29:16,613 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-30 14:29:16,613 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-30 14:29:16,613 INFO L138 SettingsManager]: * Use SBE=true [2021-06-30 14:29:16,613 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-30 14:29:16,613 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-30 14:29:16,614 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-30 14:29:16,614 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-30 14:29:16,614 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-30 14:29:16,614 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-30 14:29:16,614 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-30 14:29:16,614 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-30 14:29:16,615 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-30 14:29:16,615 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-30 14:29:16,615 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-30 14:29:16,615 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-30 14:29:16,615 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-30 14:29:16,615 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-30 14:29:16,615 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-30 14:29:16,615 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-30 14:29:16,615 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-30 14:29:16,615 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-30 14:29:16,616 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-30 14:29:16,616 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-30 14:29:16,616 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-30 14:29:16,616 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-06-30 14:29:16,625 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-30 14:29:16,625 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-30 14:29:16,625 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-30 14:29:16,625 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-30 14:29:16,625 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-30 14:29:16,625 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-30 14:29:16,858 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-30 14:29:16,869 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-30 14:29:16,871 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-30 14:29:16,872 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-30 14:29:16,872 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-30 14:29:16,873 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/incr-decr16.bpl [2021-06-30 14:29:16,873 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/incr-decr16.bpl' [2021-06-30 14:29:16,888 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-30 14:29:16,889 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-30 14:29:16,890 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-30 14:29:16,890 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-30 14:29:16,890 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-30 14:29:16,898 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "incr-decr16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 02:29:16" (1/1) ... [2021-06-30 14:29:16,902 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "incr-decr16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 02:29:16" (1/1) ... [2021-06-30 14:29:16,906 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-30 14:29:16,907 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-30 14:29:16,908 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-30 14:29:16,908 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-30 14:29:16,912 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "incr-decr16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 02:29:16" (1/1) ... [2021-06-30 14:29:16,912 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "incr-decr16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 02:29:16" (1/1) ... [2021-06-30 14:29:16,913 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "incr-decr16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 02:29:16" (1/1) ... [2021-06-30 14:29:16,913 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "incr-decr16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 02:29:16" (1/1) ... [2021-06-30 14:29:16,915 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "incr-decr16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 02:29:16" (1/1) ... [2021-06-30 14:29:16,916 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "incr-decr16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 02:29:16" (1/1) ... [2021-06-30 14:29:16,917 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "incr-decr16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 02:29:16" (1/1) ... [2021-06-30 14:29:16,917 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-30 14:29:16,918 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-30 14:29:16,918 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-30 14:29:16,918 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-30 14:29:16,919 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "incr-decr16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 02:29:16" (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 [2021-06-30 14:29:16,976 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-30 14:29:16,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-30 14:29:16,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-30 14:29:16,976 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Thread given in one single declaration [2021-06-30 14:29:16,976 INFO L130 BoogieDeclarations]: Found specification of procedure Thread [2021-06-30 14:29:16,977 INFO L138 BoogieDeclarations]: Found implementation of procedure Thread [2021-06-30 14:29:16,977 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-30 14:29:17,093 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-30 14:29:17,093 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-06-30 14:29:17,094 INFO L202 PluginConnector]: Adding new model incr-decr16.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.06 02:29:17 BoogieIcfgContainer [2021-06-30 14:29:17,094 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-30 14:29:17,095 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-30 14:29:17,095 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-30 14:29:17,097 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-30 14:29:17,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "incr-decr16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 02:29:16" (1/2) ... [2021-06-30 14:29:17,098 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2855a17a and model type incr-decr16.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.06 02:29:17, skipping insertion in model container [2021-06-30 14:29:17,098 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "incr-decr16.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.06 02:29:17" (2/2) ... [2021-06-30 14:29:17,099 INFO L111 eAbstractionObserver]: Analyzing ICFG incr-decr16.bpl [2021-06-30 14:29:17,108 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-30 14:29:17,109 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-30 14:29:17,119 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-30 14:29:17,119 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-30 14:29:17,325 INFO L149 ThreadInstanceAdder]: Constructed 16 joinOtherThreadTransitions. [2021-06-30 14:29:17,340 INFO L255 AbstractCegarLoop]: Starting to check reachability of 17 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 [2021-06-30 14:29:17,375 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-30 14:29:17,375 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-30 14:29:17,375 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-30 14:29:17,375 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-30 14:29:17,375 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-30 14:29:17,375 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-30 14:29:17,375 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-30 14:29:17,375 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-30 14:29:17,816 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr14INUSE_VIOLATION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr13INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr12INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr15INUSE_VIOLATION, ULTIMATE.startErr4INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr11INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr10INUSE_VIOLATION]=== [2021-06-30 14:29:17,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-30 14:29:17,822 INFO L82 PathProgramCache]: Analyzing trace with hash 1037393609, now seen corresponding path program 1 times [2021-06-30 14:29:17,827 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-30 14:29:17,827 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135090379] [2021-06-30 14:29:17,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-30 14:29:18,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-30 14:29:18,304 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 0 proven. 139 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2021-06-30 14:29:18,305 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-30 14:29:18,305 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135090379] [2021-06-30 14:29:18,305 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2135090379] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-30 14:29:18,305 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [938891655] [2021-06-30 14:29:18,306 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 [2021-06-30 14:29:18,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-30 14:29:18,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 741 conjuncts, 179 conjunts are in the unsatisfiable core [2021-06-30 14:29:18,513 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-30 14:29:18,951 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 0 proven. 139 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2021-06-30 14:29:18,951 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [938891655] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-30 14:29:18,951 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-30 14:29:18,951 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2021-06-30 14:29:18,952 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999204248] [2021-06-30 14:29:18,958 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-30 14:29:18,958 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-30 14:29:18,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-30 14:29:18,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-06-30 14:29:18,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-30 14:29:18,970 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-30 14:29:18,972 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 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) [2021-06-30 14:29:18,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-30 14:29:19,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-30 14:29:19,969 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-06-30 14:29:19,969 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr14INUSE_VIOLATION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr13INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr12INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr15INUSE_VIOLATION, ULTIMATE.startErr4INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr11INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr10INUSE_VIOLATION]=== [2021-06-30 14:29:19,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-30 14:29:19,970 INFO L82 PathProgramCache]: Analyzing trace with hash -539272229, now seen corresponding path program 2 times [2021-06-30 14:29:19,970 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-30 14:29:19,970 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730637666] [2021-06-30 14:29:19,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-30 14:29:20,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-30 14:29:20,162 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-06-30 14:29:20,162 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-30 14:29:20,162 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730637666] [2021-06-30 14:29:20,163 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730637666] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-30 14:29:20,163 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1128304556] [2021-06-30 14:29:20,163 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 [2021-06-30 14:29:20,333 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-30 14:29:20,334 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-30 14:29:20,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 693 conjuncts, 131 conjunts are in the unsatisfiable core [2021-06-30 14:29:20,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-30 14:29:20,531 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-06-30 14:29:20,531 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1128304556] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-30 14:29:20,531 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-30 14:29:20,531 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2021-06-30 14:29:20,532 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143843728] [2021-06-30 14:29:20,533 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-30 14:29:20,533 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-30 14:29:20,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-30 14:29:20,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-06-30 14:29:20,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-30 14:29:20,534 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-30 14:29:20,534 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 8 states have (on average 13.125) internal successors, (105), 8 states have internal predecessors, (105), 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) [2021-06-30 14:29:20,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-30 14:29:20,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2021-06-30 14:39:05,341 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-30 14:39:05,341 WARN L547 AbstractCegarLoop]: Verification canceled [2021-06-30 14:39:05,346 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-30 14:39:05,347 WARN L196 ceAbstractionStarter]: Timeout [2021-06-30 14:39:05,347 INFO L202 PluginConnector]: Adding new model incr-decr16.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.06 02:39:05 BasicIcfg [2021-06-30 14:39:05,347 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-30 14:39:05,347 INFO L168 Benchmark]: Toolchain (without parser) took 588457.98 ms. Allocated memory was 194.0 MB in the beginning and 4.3 GB in the end (delta: 4.1 GB). Free memory was 174.3 MB in the beginning and 179.6 MB in the end (delta: -5.4 MB). Peak memory consumption was 4.8 GB. Max. memory is 8.0 GB. [2021-06-30 14:39:05,348 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 194.0 MB. Free memory is still 175.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-30 14:39:05,348 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.73 ms. Allocated memory is still 194.0 MB. Free memory was 174.2 MB in the beginning and 172.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-30 14:39:05,348 INFO L168 Benchmark]: Boogie Preprocessor took 9.97 ms. Allocated memory is still 194.0 MB. Free memory was 172.6 MB in the beginning and 171.6 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-30 14:39:05,348 INFO L168 Benchmark]: RCFGBuilder took 176.46 ms. Allocated memory is still 194.0 MB. Free memory was 171.6 MB in the beginning and 160.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2021-06-30 14:39:05,348 INFO L168 Benchmark]: TraceAbstraction took 588251.54 ms. Allocated memory was 194.0 MB in the beginning and 4.3 GB in the end (delta: 4.1 GB). Free memory was 160.4 MB in the beginning and 179.6 MB in the end (delta: -19.2 MB). Peak memory consumption was 4.8 GB. Max. memory is 8.0 GB. [2021-06-30 14:39:05,348 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 0.11 ms. Allocated memory is still 194.0 MB. Free memory is still 175.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 16.73 ms. Allocated memory is still 194.0 MB. Free memory was 174.2 MB in the beginning and 172.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 9.97 ms. Allocated memory is still 194.0 MB. Free memory was 172.6 MB in the beginning and 171.6 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 176.46 ms. Allocated memory is still 194.0 MB. Free memory was 171.6 MB in the beginning and 160.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 588251.54 ms. Allocated memory was 194.0 MB in the beginning and 4.3 GB in the end (delta: 4.1 GB). Free memory was 160.4 MB in the beginning and 179.6 MB in the end (delta: -19.2 MB). Peak memory consumption was 4.8 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 49705709, positive: 47682011, positive conditional: 47682011, positive unconditional: 0, negative: 2023698, negative conditional: 2023698, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 47682011, positive: 47682011, positive conditional: 47682011, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 47682011, positive: 47682011, positive conditional: 0, positive unconditional: 47682011, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1482, positive: 1482, positive conditional: 0, positive unconditional: 1482, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1482, positive: 1187, positive conditional: 0, positive unconditional: 1187, negative: 295, negative conditional: 0, negative unconditional: 295, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 295, positive: 295, positive conditional: 0, positive unconditional: 295, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 295, positive: 295, positive conditional: 0, positive unconditional: 295, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 378, positive: 378, positive conditional: 0, positive unconditional: 378, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 47682011, positive: 47680529, positive conditional: 0, positive unconditional: 47680529, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1482, unknown conditional: 0, unknown unconditional: 1482] , Statistics on independence cache: Total cache size (in pairs): 1482, Positive cache size: 1482, Positive conditional cache size: 0, Positive unconditional cache size: 1482, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 295, positive: 295, positive conditional: 0, positive unconditional: 295, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 378, positive: 378, positive conditional: 0, positive unconditional: 378, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1482, Positive cache size: 1482, Positive conditional cache size: 0, Positive unconditional cache size: 1482, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 295, positive: 295, positive conditional: 0, positive unconditional: 295, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 378, positive: 378, positive conditional: 0, positive unconditional: 378, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1482, Positive cache size: 1482, Positive conditional cache size: 0, Positive unconditional cache size: 1482, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 ], Maximal queried relation: 0, Independence queries for same thread: 2023698 - TimeoutResultAtElement [Line: 42]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while executing SleepSetDelayReduction. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 18 procedures, 104 locations, 17 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 587995.1ms, OverallIterations: 2, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 8.6ms, PartialOrderReductionTime: 585831.2ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 17, 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: 78.5ms SsaConstructionTime, 328.4ms SatisfiabilityAnalysisTime, 1118.2ms InterpolantComputationTime, 504 NumberOfCodeBlocks, 504 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 500 ConstructedInterpolants, 0 QuantifiedInterpolants, 3500 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1434 ConjunctsInSsa, 310 ConjunctsInUnsatCore, 4 InterpolantComputations, 0 PerfectInterpolantSequences, 156/584 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 !SESSION 2021-06-30 14:29:15.445 ----------------------------------------------- eclipse.buildId=unknown java.version=11.0.11 java.vendor=Debian BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US Framework arguments: -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/incr-decr16.bpl Command-line arguments: -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/incr-decr16.bpl !ENTRY org.eclipse.osgi 4 0 2021-06-30 14:39:05.828 !MESSAGE Application error !STACK 1 org.eclipse.core.internal.resources.ResourceException(/)[568]: java.io.FileNotFoundException: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7348e198/.metadata/.plugins/org.eclipse.core.resources/.root/1.tree (No such file or directory) at java.base/java.io.FileOutputStream.open0(Native Method) at java.base/java.io.FileOutputStream.open(FileOutputStream.java:298) at java.base/java.io.FileOutputStream.(FileOutputStream.java:237) at java.base/java.io.FileOutputStream.(FileOutputStream.java:187) at org.eclipse.core.internal.localstore.SafeFileOutputStream.(SafeFileOutputStream.java:55) at org.eclipse.core.internal.resources.SaveManager.saveTree(SaveManager.java:1381) at org.eclipse.core.internal.resources.SaveManager.save(SaveManager.java:1168) at org.eclipse.core.internal.resources.Workspace.save(Workspace.java:2333) at org.eclipse.core.internal.resources.Workspace.save(Workspace.java:2322) at de.uni_freiburg.informatik.ultimate.core.coreplugin.UltimateCore.start(UltimateCore.java:191) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) An error has occurred. See the log file /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7348e198/.metadata/.log.