/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-Random521.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/incr-decr08.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-8b99979fc9bd30b823d307a67cb055caa4790482-8b99979 [2021-06-30 19:46:04,311 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-30 19:46:04,314 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-30 19:46:04,344 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-30 19:46:04,351 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-30 19:46:04,352 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-30 19:46:04,352 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-30 19:46:04,353 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-30 19:46:04,354 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-30 19:46:04,354 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-30 19:46:04,355 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-30 19:46:04,357 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-30 19:46:04,358 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-30 19:46:04,360 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-30 19:46:04,361 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-30 19:46:04,362 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-30 19:46:04,364 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-30 19:46:04,372 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-Random521.epf [2021-06-30 19:46:04,388 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-30 19:46:04,388 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-30 19:46:04,388 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-30 19:46:04,388 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-30 19:46:04,389 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-30 19:46:04,389 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-30 19:46:04,390 INFO L138 SettingsManager]: * Use SBE=true [2021-06-30 19:46:04,390 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-30 19:46:04,390 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-30 19:46:04,390 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-30 19:46:04,390 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-30 19:46:04,390 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-30 19:46:04,391 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-30 19:46:04,391 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-30 19:46:04,391 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-30 19:46:04,391 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-30 19:46:04,391 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-30 19:46:04,391 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-30 19:46:04,392 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-30 19:46:04,392 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-30 19:46:04,392 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-30 19:46:04,392 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-30 19:46:04,392 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-30 19:46:04,393 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-30 19:46:04,393 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-30 19:46:04,393 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-30 19:46:04,393 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-30 19:46:04,393 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-30 19:46:04,394 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-30 19:46:04,394 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-30 19:46:04,394 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-30 19:46:04,394 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-30 19:46:04,394 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-30 19:46:04,395 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-06-30 19:46:04,395 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-30 19:46:04,395 INFO L138 SettingsManager]: * Random seed used by POR DFS order=521 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-30 19:46:04,665 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-30 19:46:04,679 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-30 19:46:04,680 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-30 19:46:04,681 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-30 19:46:04,682 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-30 19:46:04,682 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/incr-decr08.bpl [2021-06-30 19:46:04,683 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/incr-decr08.bpl' [2021-06-30 19:46:04,710 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-30 19:46:04,712 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-30 19:46:04,713 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-30 19:46:04,713 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-30 19:46:04,713 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-30 19:46:04,722 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "incr-decr08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 07:46:04" (1/1) ... [2021-06-30 19:46:04,728 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "incr-decr08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 07:46:04" (1/1) ... [2021-06-30 19:46:04,734 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-30 19:46:04,735 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-30 19:46:04,735 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-30 19:46:04,735 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-30 19:46:04,741 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "incr-decr08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 07:46:04" (1/1) ... [2021-06-30 19:46:04,741 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "incr-decr08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 07:46:04" (1/1) ... [2021-06-30 19:46:04,741 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "incr-decr08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 07:46:04" (1/1) ... [2021-06-30 19:46:04,742 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "incr-decr08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 07:46:04" (1/1) ... [2021-06-30 19:46:04,743 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "incr-decr08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 07:46:04" (1/1) ... [2021-06-30 19:46:04,746 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "incr-decr08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 07:46:04" (1/1) ... [2021-06-30 19:46:04,747 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "incr-decr08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 07:46:04" (1/1) ... [2021-06-30 19:46:04,747 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-30 19:46:04,749 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-30 19:46:04,749 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-30 19:46:04,749 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-30 19:46:04,750 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "incr-decr08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 07:46:04" (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 19:46:04,821 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-30 19:46:04,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-30 19:46:04,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-30 19:46:04,822 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Thread given in one single declaration [2021-06-30 19:46:04,822 INFO L130 BoogieDeclarations]: Found specification of procedure Thread [2021-06-30 19:46:04,822 INFO L138 BoogieDeclarations]: Found implementation of procedure Thread [2021-06-30 19:46:04,823 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 19:46:04,927 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-30 19:46:04,927 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-06-30 19:46:04,928 INFO L202 PluginConnector]: Adding new model incr-decr08.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.06 07:46:04 BoogieIcfgContainer [2021-06-30 19:46:04,928 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-30 19:46:04,929 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-30 19:46:04,929 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-30 19:46:04,931 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-30 19:46:04,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "incr-decr08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 07:46:04" (1/2) ... [2021-06-30 19:46:04,932 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c03509d and model type incr-decr08.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.06 07:46:04, skipping insertion in model container [2021-06-30 19:46:04,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "incr-decr08.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.06 07:46:04" (2/2) ... [2021-06-30 19:46:04,933 INFO L111 eAbstractionObserver]: Analyzing ICFG incr-decr08.bpl [2021-06-30 19:46:04,937 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-30 19:46:04,937 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-30 19:46:04,937 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-30 19:46:04,937 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-30 19:46:05,033 INFO L149 ThreadInstanceAdder]: Constructed 8 joinOtherThreadTransitions. [2021-06-30 19:46:05,062 INFO L255 AbstractCegarLoop]: Starting to check reachability of 9 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 19:46:05,103 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-30 19:46:05,104 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-30 19:46:05,104 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-30 19:46:05,104 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-30 19:46:05,104 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-30 19:46:05,104 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-30 19:46:05,105 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-30 19:46:05,105 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-30 19:46:06,057 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-30 19:46:06,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-30 19:46:06,064 INFO L82 PathProgramCache]: Analyzing trace with hash -1190689319, now seen corresponding path program 1 times [2021-06-30 19:46:06,070 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-30 19:46:06,070 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090487747] [2021-06-30 19:46:06,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-30 19:46:06,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-30 19:46:06,234 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-30 19:46:06,235 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-30 19:46:06,235 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090487747] [2021-06-30 19:46:06,235 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090487747] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-30 19:46:06,235 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1245598373] [2021-06-30 19:46:06,236 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 19:46:06,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-30 19:46:06,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-30 19:46:06,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-30 19:46:06,432 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-30 19:46:06,432 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1245598373] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-30 19:46:06,432 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-30 19:46:06,432 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-06-30 19:46:06,434 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762311152] [2021-06-30 19:46:06,437 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-30 19:46:06,438 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-30 19:46:06,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-30 19:46:06,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-30 19:46:06,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-30 19:46:06,447 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-30 19:46:06,448 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 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 19:46:06,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-30 19:46:08,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-30 19:46:08,545 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-06-30 19:46:08,547 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-30 19:46:08,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-30 19:46:08,548 INFO L82 PathProgramCache]: Analyzing trace with hash 2066764047, now seen corresponding path program 1 times [2021-06-30 19:46:08,548 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-30 19:46:08,548 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391665654] [2021-06-30 19:46:08,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-30 19:46:08,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-30 19:46:08,719 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-30 19:46:08,719 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-30 19:46:08,719 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391665654] [2021-06-30 19:46:08,719 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391665654] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-30 19:46:08,719 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1612340857] [2021-06-30 19:46:08,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 19:46:08,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-30 19:46:08,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 31 conjunts are in the unsatisfiable core [2021-06-30 19:46:08,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-30 19:46:08,889 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-30 19:46:08,889 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1612340857] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-30 19:46:08,889 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-30 19:46:08,889 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-06-30 19:46:08,890 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787665794] [2021-06-30 19:46:08,891 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-30 19:46:08,891 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-30 19:46:08,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-30 19:46:08,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-30 19:46:08,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-30 19:46:08,893 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-30 19:46:08,893 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-30 19:46:08,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-30 19:46:08,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-30 19:46:10,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-30 19:46:10,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-30 19:46:10,713 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-30 19:46:10,714 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-30 19:46:10,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-30 19:46:10,714 INFO L82 PathProgramCache]: Analyzing trace with hash -1489265619, now seen corresponding path program 1 times [2021-06-30 19:46:10,715 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-30 19:46:10,715 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708521432] [2021-06-30 19:46:10,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-30 19:46:10,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-30 19:46:10,796 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-30 19:46:10,796 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-30 19:46:10,796 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708521432] [2021-06-30 19:46:10,797 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708521432] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-30 19:46:10,797 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1314647570] [2021-06-30 19:46:10,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-06-30 19:46:10,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-30 19:46:10,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 35 conjunts are in the unsatisfiable core [2021-06-30 19:46:10,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-30 19:46:10,965 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-30 19:46:10,965 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1314647570] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-30 19:46:10,965 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-30 19:46:10,966 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2021-06-30 19:46:10,966 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173748586] [2021-06-30 19:46:10,966 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-30 19:46:10,966 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-30 19:46:10,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-30 19:46:10,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-30 19:46:10,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-30 19:46:10,967 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-30 19:46:10,967 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 6 states have (on average 7.0) internal successors, (42), 6 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) [2021-06-30 19:46:10,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-30 19:46:10,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-30 19:46:10,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-30 19:46:43,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-30 19:46:43,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-30 19:46:43,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-30 19:46:43,348 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-30 19:46:43,355 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-30 19:46:43,357 INFO L202 PluginConnector]: Adding new model incr-decr08.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.06 07:46:43 BasicIcfg [2021-06-30 19:46:43,357 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-30 19:46:43,358 INFO L168 Benchmark]: Toolchain (without parser) took 38645.55 ms. Allocated memory was 182.5 MB in the beginning and 3.7 GB in the end (delta: 3.6 GB). Free memory was 163.5 MB in the beginning and 2.6 GB in the end (delta: -2.5 GB). Peak memory consumption was 2.4 GB. Max. memory is 8.0 GB. [2021-06-30 19:46:43,358 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.10 ms. Allocated memory is still 182.5 MB. Free memory is still 164.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-30 19:46:43,358 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.10 ms. Allocated memory is still 182.5 MB. Free memory was 163.5 MB in the beginning and 162.0 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-06-30 19:46:43,358 INFO L168 Benchmark]: Boogie Preprocessor took 13.16 ms. Allocated memory is still 182.5 MB. Free memory was 162.0 MB in the beginning and 161.1 MB in the end (delta: 996.8 kB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-30 19:46:43,358 INFO L168 Benchmark]: RCFGBuilder took 179.35 ms. Allocated memory is still 182.5 MB. Free memory was 160.9 MB in the beginning and 151.4 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2021-06-30 19:46:43,358 INFO L168 Benchmark]: TraceAbstraction took 38427.76 ms. Allocated memory was 182.5 MB in the beginning and 3.7 GB in the end (delta: 3.6 GB). Free memory was 151.0 MB in the beginning and 2.6 GB in the end (delta: -2.5 GB). Peak memory consumption was 2.3 GB. Max. memory is 8.0 GB. [2021-06-30 19:46:43,359 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 0.10 ms. Allocated memory is still 182.5 MB. Free memory is still 164.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 21.10 ms. Allocated memory is still 182.5 MB. Free memory was 163.5 MB in the beginning and 162.0 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 8.0 GB. * Boogie Preprocessor took 13.16 ms. Allocated memory is still 182.5 MB. Free memory was 162.0 MB in the beginning and 161.1 MB in the end (delta: 996.8 kB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 179.35 ms. Allocated memory is still 182.5 MB. Free memory was 160.9 MB in the beginning and 151.4 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 38427.76 ms. Allocated memory was 182.5 MB in the beginning and 3.7 GB in the end (delta: 3.6 GB). Free memory was 151.0 MB in the beginning and 2.6 GB in the end (delta: -2.5 GB). Peak memory consumption was 2.3 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: 2345649, positive: 2209158, positive conditional: 2206219, positive unconditional: 2939, negative: 136491, negative conditional: 136470, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 2209179, positive: 2209158, positive conditional: 2206219, positive unconditional: 2939, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 2209179, positive: 2209158, positive conditional: 0, positive unconditional: 2209158, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1845, positive: 1839, positive conditional: 0, positive unconditional: 1839, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1845, positive: 1615, positive conditional: 0, positive unconditional: 1615, negative: 230, negative conditional: 0, negative unconditional: 230, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 230, positive: 224, positive conditional: 0, positive unconditional: 224, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 230, positive: 224, positive conditional: 0, positive unconditional: 224, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 443, positive: 436, positive conditional: 0, positive unconditional: 436, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2209179, positive: 2207319, positive conditional: 0, positive unconditional: 2207319, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 1845, unknown conditional: 0, unknown unconditional: 1845] , Statistics on independence cache: Total cache size (in pairs): 1845, Positive cache size: 1839, Positive conditional cache size: 0, Positive unconditional cache size: 1839, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, SemanticConditionEliminator.Independence Queries: [ total: 11, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 230, positive: 224, positive conditional: 0, positive unconditional: 224, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 443, positive: 436, positive conditional: 0, positive unconditional: 436, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 11, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1845, Positive cache size: 1839, Positive conditional cache size: 0, Positive unconditional cache size: 1839, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 11, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 230, positive: 224, positive conditional: 0, positive unconditional: 224, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 443, positive: 436, positive conditional: 0, positive unconditional: 436, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 11, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1845, Positive cache size: 1839, Positive conditional cache size: 0, Positive unconditional cache size: 1839, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 11, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 230, positive: 224, positive conditional: 0, positive unconditional: 224, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 443, positive: 436, positive conditional: 0, positive unconditional: 436, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 11, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1845, Positive cache size: 1839, Positive conditional cache size: 0, Positive unconditional cache size: 1839, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Eliminated conditions: 0 ], Maximal queried relation: 1, Independence queries for same thread: 136470 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 30637, Number of persistent set computation: 432655, Number of trivial persistent sets: 421654, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2345649, positive: 2209158, positive conditional: 2206219, positive unconditional: 2939, negative: 136491, negative conditional: 136470, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 2209179, positive: 2209158, positive conditional: 2206219, positive unconditional: 2939, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 2209179, positive: 2209158, positive conditional: 0, positive unconditional: 2209158, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1845, positive: 1839, positive conditional: 0, positive unconditional: 1839, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1845, positive: 1615, positive conditional: 0, positive unconditional: 1615, negative: 230, negative conditional: 0, negative unconditional: 230, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 230, positive: 224, positive conditional: 0, positive unconditional: 224, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 230, positive: 224, positive conditional: 0, positive unconditional: 224, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 443, positive: 436, positive conditional: 0, positive unconditional: 436, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2209179, positive: 2207319, positive conditional: 0, positive unconditional: 2207319, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 1845, unknown conditional: 0, unknown unconditional: 1845] , Statistics on independence cache: Total cache size (in pairs): 1845, Positive cache size: 1839, Positive conditional cache size: 0, Positive unconditional cache size: 1839, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, SemanticConditionEliminator.Independence Queries: [ total: 11, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 230, positive: 224, positive conditional: 0, positive unconditional: 224, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 443, positive: 436, positive conditional: 0, positive unconditional: 436, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 11, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1845, Positive cache size: 1839, Positive conditional cache size: 0, Positive unconditional cache size: 1839, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 11, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 230, positive: 224, positive conditional: 0, positive unconditional: 224, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 443, positive: 436, positive conditional: 0, positive unconditional: 436, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 11, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1845, Positive cache size: 1839, Positive conditional cache size: 0, Positive unconditional cache size: 1839, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 11, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 230, positive: 224, positive conditional: 0, positive unconditional: 224, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 443, positive: 436, positive conditional: 0, positive unconditional: 436, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 11, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1845, Positive cache size: 1839, Positive conditional cache size: 0, Positive unconditional cache size: 1839, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Eliminated conditions: 0 ], Maximal queried relation: 1, Independence queries for same thread: 136470 - PositiveResult [Line: 26]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 10 procedures, 56 locations, 9 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 38280.8ms, OverallIterations: 3, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 9.5ms, PartialOrderReductionTime: 36606.8ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 18, 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: 45.4ms SsaConstructionTime, 115.9ms SatisfiabilityAnalysisTime, 633.0ms InterpolantComputationTime, 228 NumberOfCodeBlocks, 228 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 222 ConstructedInterpolants, 0 QuantifiedInterpolants, 1554 SizeOfPredicates, 0 NumberOfNonLiveVariables, 543 ConjunctsInSsa, 81 ConjunctsInUnsatCore, 6 InterpolantComputations, 0 PerfectInterpolantSequences, 20/52 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...