/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-NewStatesSleepPersistent-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-4.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-10 08:41:44,648 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-10 08:41:44,649 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-10 08:41:44,680 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-10 08:41:44,747 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-NewStatesSleepPersistent-NoLbe-Lockstep.epf [2021-07-10 08:41:44,790 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-10 08:41:44,790 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-10 08:41:44,790 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-10 08:41:44,790 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-10 08:41:44,793 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-10 08:41:44,793 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-10 08:41:44,793 INFO L138 SettingsManager]: * Use SBE=true [2021-07-10 08:41:44,793 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-10 08:41:44,794 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-10 08:41:44,794 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-10 08:41:44,794 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-10 08:41:44,795 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-10 08:41:44,795 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-10 08:41:44,795 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-10 08:41:44,795 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-10 08:41:44,795 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-10 08:41:44,795 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-10 08:41:44,795 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-10 08:41:44,796 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-10 08:41:44,796 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-10 08:41:44,796 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-10 08:41:44,796 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-10 08:41:44,796 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-10 08:41:44,796 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 08:41:44,796 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-10 08:41:44,797 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-10 08:41:44,797 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-10 08:41:44,797 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-10 08:41:44,797 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-07-10 08:41:44,797 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-10 08:41:44,797 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-10 08:41:44,797 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-10 08:41:44,798 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-10 08:41:44,798 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2021-07-10 08:41:44,798 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-10 08:41:45,103 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-10 08:41:45,131 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-10 08:41:45,133 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-10 08:41:45,134 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-10 08:41:45,135 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-10 08:41:45,136 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-4.wvr.bpl [2021-07-10 08:41:45,136 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-4.wvr.bpl' [2021-07-10 08:41:45,156 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-10 08:41:45,157 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-10 08:41:45,159 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-10 08:41:45,159 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-10 08:41:45,159 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-10 08:41:45,168 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 08:41:45" (1/1) ... [2021-07-10 08:41:45,173 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 08:41:45" (1/1) ... [2021-07-10 08:41:45,179 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-10 08:41:45,180 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-10 08:41:45,181 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-10 08:41:45,181 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-10 08:41:45,187 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 08:41:45" (1/1) ... [2021-07-10 08:41:45,187 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 08:41:45" (1/1) ... [2021-07-10 08:41:45,188 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 08:41:45" (1/1) ... [2021-07-10 08:41:45,188 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 08:41:45" (1/1) ... [2021-07-10 08:41:45,190 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 08:41:45" (1/1) ... [2021-07-10 08:41:45,192 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 08:41:45" (1/1) ... [2021-07-10 08:41:45,193 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 08:41:45" (1/1) ... [2021-07-10 08:41:45,194 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-10 08:41:45,195 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-10 08:41:45,195 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-10 08:41:45,195 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-10 08:41:45,196 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 08:41:45" (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 [2021-07-10 08:41:45,260 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-10 08:41:45,260 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-10 08:41:45,260 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-10 08:41:45,260 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-10 08:41:45,261 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-10 08:41:45,261 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-10 08:41:45,261 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-10 08:41:45,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-10 08:41:45,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-10 08:41:45,261 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-07-10 08:41:45,261 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-07-10 08:41:45,261 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-07-10 08:41:45,262 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-10 08:41:45,440 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-10 08:41:45,440 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-10 08:41:45,442 INFO L202 PluginConnector]: Adding new model misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 08:41:45 BoogieIcfgContainer [2021-07-10 08:41:45,442 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-10 08:41:45,444 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-10 08:41:45,444 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-10 08:41:45,446 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-10 08:41:45,446 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 08:41:45" (1/2) ... [2021-07-10 08:41:45,447 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6832f538 and model type misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 08:41:45, skipping insertion in model container [2021-07-10 08:41:45,447 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 08:41:45" (2/2) ... [2021-07-10 08:41:45,448 INFO L111 eAbstractionObserver]: Analyzing ICFG misc-4.wvr.bpl [2021-07-10 08:41:45,453 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-10 08:41:45,453 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-10 08:41:45,453 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-10 08:41:45,454 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-10 08:41:45,501 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-07-10 08:41:45,529 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 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 [2021-07-10 08:41:45,631 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 08:41:45,631 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 08:41:45,632 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 08:41:45,632 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 08:41:45,632 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 08:41:45,632 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 08:41:45,632 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 08:41:45,632 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-10 08:41:45,778 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:41:45,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:41:45,784 INFO L82 PathProgramCache]: Analyzing trace with hash 925452662, now seen corresponding path program 1 times [2021-07-10 08:41:45,798 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:41:45,798 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631690402] [2021-07-10 08:41:45,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:41:45,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:41:45,900 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:41:45,901 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:41:45,901 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631690402] [2021-07-10 08:41:45,902 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631690402] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:41:45,902 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1707332768] [2021-07-10 08:41:45,902 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 [2021-07-10 08:41:45,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:41:45,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 3 conjunts are in the unsatisfiable core [2021-07-10 08:41:45,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:41:46,021 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:41:46,021 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1707332768] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:41:46,021 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 08:41:46,022 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-07-10 08:41:46,023 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929441899] [2021-07-10 08:41:46,026 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-10 08:41:46,027 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:41:46,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-10 08:41:46,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-10 08:41:46,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:41:46,039 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:41:46,040 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 08:41:46,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:41:46,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:41:46,341 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-07-10 08:41:46,341 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:41:46,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:41:46,342 INFO L82 PathProgramCache]: Analyzing trace with hash 1437347586, now seen corresponding path program 1 times [2021-07-10 08:41:46,342 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:41:46,346 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460831334] [2021-07-10 08:41:46,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:41:46,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:41:46,403 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-10 08:41:46,403 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:41:46,403 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460831334] [2021-07-10 08:41:46,404 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460831334] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:41:46,404 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1704213379] [2021-07-10 08:41:46,404 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 [2021-07-10 08:41:46,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:41:46,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 3 conjunts are in the unsatisfiable core [2021-07-10 08:41:46,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:41:46,528 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-10 08:41:46,528 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1704213379] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:41:46,528 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 08:41:46,529 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-07-10 08:41:46,529 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953245567] [2021-07-10 08:41:46,530 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-10 08:41:46,530 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:41:46,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-10 08:41:46,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-10 08:41:46,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:41:46,531 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:41:46,531 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 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) [2021-07-10 08:41:46,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:41:46,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:41:46,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:41:46,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:41:46,792 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:41:46,793 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:41:46,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:41:46,794 INFO L82 PathProgramCache]: Analyzing trace with hash 269346722, now seen corresponding path program 1 times [2021-07-10 08:41:46,794 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:41:46,794 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132119537] [2021-07-10 08:41:46,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:41:46,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:41:46,824 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:41:46,824 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:41:46,824 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132119537] [2021-07-10 08:41:46,824 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2132119537] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:41:46,825 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [141607776] [2021-07-10 08:41:46,825 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 [2021-07-10 08:41:46,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:41:46,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 3 conjunts are in the unsatisfiable core [2021-07-10 08:41:46,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:41:46,895 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:41:46,895 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [141607776] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 08:41:46,895 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-07-10 08:41:46,896 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [3] total 4 [2021-07-10 08:41:46,896 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330061463] [2021-07-10 08:41:46,896 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-10 08:41:46,896 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:41:46,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-10 08:41:46,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-10 08:41:46,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:41:46,897 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:41:46,898 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 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) [2021-07-10 08:41:46,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:41:46,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:41:46,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:41:46,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:41:46,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:41:46,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:41:47,144 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:41:47,145 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:41:47,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:41:47,146 INFO L82 PathProgramCache]: Analyzing trace with hash 1905981250, now seen corresponding path program 1 times [2021-07-10 08:41:47,146 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:41:47,146 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853377127] [2021-07-10 08:41:47,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:41:47,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:41:47,225 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:41:47,225 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:41:47,225 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853377127] [2021-07-10 08:41:47,226 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853377127] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:41:47,226 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [757349582] [2021-07-10 08:41:47,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:41:47,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:41:47,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-10 08:41:47,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:41:47,381 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:41:47,381 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [757349582] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:41:47,382 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 08:41:47,382 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2021-07-10 08:41:47,382 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489707005] [2021-07-10 08:41:47,382 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-10 08:41:47,382 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:41:47,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-10 08:41:47,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-07-10 08:41:47,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:41:47,385 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:41:47,385 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 6 states have internal predecessors, (30), 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) [2021-07-10 08:41:47,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:41:47,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:41:47,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:41:47,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:41:47,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:41:47,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:41:47,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:41:47,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 08:41:47,743 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:41:47,751 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-10 08:41:47,753 INFO L202 PluginConnector]: Adding new model misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.07 08:41:47 BasicIcfg [2021-07-10 08:41:47,756 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-10 08:41:47,757 INFO L168 Benchmark]: Toolchain (without parser) took 2599.83 ms. Allocated memory is still 184.5 MB. Free memory was 164.2 MB in the beginning and 152.0 MB in the end (delta: 12.2 MB). Peak memory consumption was 13.8 MB. Max. memory is 8.0 GB. [2021-07-10 08:41:47,759 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.17 ms. Allocated memory is still 184.5 MB. Free memory is still 165.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-10 08:41:47,759 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.03 ms. Allocated memory is still 184.5 MB. Free memory was 164.1 MB in the beginning and 162.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-10 08:41:47,759 INFO L168 Benchmark]: Boogie Preprocessor took 13.47 ms. Allocated memory is still 184.5 MB. Free memory was 162.6 MB in the beginning and 161.7 MB in the end (delta: 944.7 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-10 08:41:47,759 INFO L168 Benchmark]: RCFGBuilder took 247.54 ms. Allocated memory is still 184.5 MB. Free memory was 161.6 MB in the beginning and 150.8 MB in the end (delta: 10.9 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-07-10 08:41:47,759 INFO L168 Benchmark]: TraceAbstraction took 2313.00 ms. Allocated memory is still 184.5 MB. Free memory was 150.3 MB in the beginning and 152.0 MB in the end (delta: -1.6 MB). Peak memory consumption was 134.4 kB. Max. memory is 8.0 GB. [2021-07-10 08:41:47,760 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 0.17 ms. Allocated memory is still 184.5 MB. Free memory is still 165.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 21.03 ms. Allocated memory is still 184.5 MB. Free memory was 164.1 MB in the beginning and 162.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 13.47 ms. Allocated memory is still 184.5 MB. Free memory was 162.6 MB in the beginning and 161.7 MB in the end (delta: 944.7 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 247.54 ms. Allocated memory is still 184.5 MB. Free memory was 161.6 MB in the beginning and 150.8 MB in the end (delta: 10.9 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2313.00 ms. Allocated memory is still 184.5 MB. Free memory was 150.3 MB in the beginning and 152.0 MB in the end (delta: -1.6 MB). Peak memory consumption was 134.4 kB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2271, positive: 1993, positive conditional: 1399, positive unconditional: 594, negative: 278, negative conditional: 262, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 2044, positive: 1993, positive conditional: 1399, positive unconditional: 594, negative: 51, negative conditional: 35, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 2044, positive: 1768, positive conditional: 0, positive unconditional: 1768, negative: 276, negative conditional: 0, negative unconditional: 276, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 377, positive: 361, positive conditional: 0, positive unconditional: 361, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 377, positive: 353, positive conditional: 0, positive unconditional: 353, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 24, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 56, positive: 36, positive conditional: 28, positive unconditional: 8, negative: 20, negative conditional: 4, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 127, positive: 64, positive conditional: 43, positive unconditional: 21, negative: 63, negative conditional: 11, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2044, positive: 1407, positive conditional: 0, positive unconditional: 1407, negative: 260, negative conditional: 0, negative unconditional: 260, unknown: 377, unknown conditional: 0, unknown unconditional: 377] , Statistics on independence cache: Total cache size (in pairs): 409, Positive cache size: 389, Positive conditional cache size: 28, Positive unconditional cache size: 361, Negative cache size: 20, Negative conditional cache size: 4, Negative unconditional cache size: 16, SemanticConditionEliminator.Independence Queries: [ total: 478, positive: 225, positive conditional: 225, positive unconditional: 0, negative: 253, negative conditional: 54, negative unconditional: 199, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 478, positive: 225, positive conditional: 225, positive unconditional: 0, negative: 253, negative conditional: 54, negative unconditional: 199, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 56, positive: 36, positive conditional: 28, positive unconditional: 8, negative: 20, negative conditional: 4, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 127, positive: 64, positive conditional: 43, positive unconditional: 21, negative: 63, negative conditional: 11, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 478, positive: 197, positive conditional: 197, positive unconditional: 0, negative: 249, negative conditional: 50, negative unconditional: 199, unknown: 32, unknown conditional: 32, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 409, Positive cache size: 389, Positive conditional cache size: 28, Positive unconditional cache size: 361, Negative cache size: 20, Negative conditional cache size: 4, Negative unconditional cache size: 16, Eliminated conditions: 193, SemanticConditionEliminator.Independence Queries: [ total: 478, positive: 225, positive conditional: 225, positive unconditional: 0, negative: 253, negative conditional: 54, negative unconditional: 199, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 478, positive: 225, positive conditional: 225, positive unconditional: 0, negative: 253, negative conditional: 54, negative unconditional: 199, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 56, positive: 36, positive conditional: 28, positive unconditional: 8, negative: 20, negative conditional: 4, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 127, positive: 64, positive conditional: 43, positive unconditional: 21, negative: 63, negative conditional: 11, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 478, positive: 197, positive conditional: 197, positive unconditional: 0, negative: 249, negative conditional: 50, negative unconditional: 199, unknown: 32, unknown conditional: 32, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 409, Positive cache size: 389, Positive conditional cache size: 28, Positive unconditional cache size: 361, Negative cache size: 20, Negative conditional cache size: 4, Negative unconditional cache size: 16, Eliminated conditions: 193, SemanticConditionEliminator.Independence Queries: [ total: 478, positive: 225, positive conditional: 225, positive unconditional: 0, negative: 253, negative conditional: 54, negative unconditional: 199, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 478, positive: 225, positive conditional: 225, positive unconditional: 0, negative: 253, negative conditional: 54, negative unconditional: 199, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 56, positive: 36, positive conditional: 28, positive unconditional: 8, negative: 20, negative conditional: 4, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 127, positive: 64, positive conditional: 43, positive unconditional: 21, negative: 63, negative conditional: 11, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 478, positive: 197, positive conditional: 197, positive unconditional: 0, negative: 249, negative conditional: 50, negative unconditional: 199, unknown: 32, unknown conditional: 32, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 409, Positive cache size: 389, Positive conditional cache size: 28, Positive unconditional cache size: 361, Negative cache size: 20, Negative conditional cache size: 4, Negative unconditional cache size: 16, Eliminated conditions: 193, SemanticConditionEliminator.Independence Queries: [ total: 478, positive: 225, positive conditional: 225, positive unconditional: 0, negative: 253, negative conditional: 54, negative unconditional: 199, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 478, positive: 225, positive conditional: 225, positive unconditional: 0, negative: 253, negative conditional: 54, negative unconditional: 199, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 56, positive: 36, positive conditional: 28, positive unconditional: 8, negative: 20, negative conditional: 4, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 127, positive: 64, positive conditional: 43, positive unconditional: 21, negative: 63, negative conditional: 11, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 478, positive: 197, positive conditional: 197, positive unconditional: 0, negative: 249, negative conditional: 50, negative unconditional: 199, unknown: 32, unknown conditional: 32, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 409, Positive cache size: 389, Positive conditional cache size: 28, Positive unconditional cache size: 361, Negative cache size: 20, Negative conditional cache size: 4, Negative unconditional cache size: 16, Eliminated conditions: 193 ], Maximal queried relation: 4, Independence queries for same thread: 227 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 110, Number of persistent set computation: 47, Number of trivial persistent sets: 14, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2271, positive: 1993, positive conditional: 1399, positive unconditional: 594, negative: 278, negative conditional: 262, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 2044, positive: 1993, positive conditional: 1399, positive unconditional: 594, negative: 51, negative conditional: 35, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 2044, positive: 1768, positive conditional: 0, positive unconditional: 1768, negative: 276, negative conditional: 0, negative unconditional: 276, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 377, positive: 361, positive conditional: 0, positive unconditional: 361, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 377, positive: 353, positive conditional: 0, positive unconditional: 353, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 24, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 56, positive: 36, positive conditional: 28, positive unconditional: 8, negative: 20, negative conditional: 4, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 127, positive: 64, positive conditional: 43, positive unconditional: 21, negative: 63, negative conditional: 11, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2044, positive: 1407, positive conditional: 0, positive unconditional: 1407, negative: 260, negative conditional: 0, negative unconditional: 260, unknown: 377, unknown conditional: 0, unknown unconditional: 377] , Statistics on independence cache: Total cache size (in pairs): 409, Positive cache size: 389, Positive conditional cache size: 28, Positive unconditional cache size: 361, Negative cache size: 20, Negative conditional cache size: 4, Negative unconditional cache size: 16, SemanticConditionEliminator.Independence Queries: [ total: 478, positive: 225, positive conditional: 225, positive unconditional: 0, negative: 253, negative conditional: 54, negative unconditional: 199, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 478, positive: 225, positive conditional: 225, positive unconditional: 0, negative: 253, negative conditional: 54, negative unconditional: 199, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 56, positive: 36, positive conditional: 28, positive unconditional: 8, negative: 20, negative conditional: 4, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 127, positive: 64, positive conditional: 43, positive unconditional: 21, negative: 63, negative conditional: 11, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 478, positive: 197, positive conditional: 197, positive unconditional: 0, negative: 249, negative conditional: 50, negative unconditional: 199, unknown: 32, unknown conditional: 32, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 409, Positive cache size: 389, Positive conditional cache size: 28, Positive unconditional cache size: 361, Negative cache size: 20, Negative conditional cache size: 4, Negative unconditional cache size: 16, Eliminated conditions: 193, SemanticConditionEliminator.Independence Queries: [ total: 478, positive: 225, positive conditional: 225, positive unconditional: 0, negative: 253, negative conditional: 54, negative unconditional: 199, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 478, positive: 225, positive conditional: 225, positive unconditional: 0, negative: 253, negative conditional: 54, negative unconditional: 199, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 56, positive: 36, positive conditional: 28, positive unconditional: 8, negative: 20, negative conditional: 4, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 127, positive: 64, positive conditional: 43, positive unconditional: 21, negative: 63, negative conditional: 11, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 478, positive: 197, positive conditional: 197, positive unconditional: 0, negative: 249, negative conditional: 50, negative unconditional: 199, unknown: 32, unknown conditional: 32, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 409, Positive cache size: 389, Positive conditional cache size: 28, Positive unconditional cache size: 361, Negative cache size: 20, Negative conditional cache size: 4, Negative unconditional cache size: 16, Eliminated conditions: 193, SemanticConditionEliminator.Independence Queries: [ total: 478, positive: 225, positive conditional: 225, positive unconditional: 0, negative: 253, negative conditional: 54, negative unconditional: 199, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 478, positive: 225, positive conditional: 225, positive unconditional: 0, negative: 253, negative conditional: 54, negative unconditional: 199, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 56, positive: 36, positive conditional: 28, positive unconditional: 8, negative: 20, negative conditional: 4, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 127, positive: 64, positive conditional: 43, positive unconditional: 21, negative: 63, negative conditional: 11, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 478, positive: 197, positive conditional: 197, positive unconditional: 0, negative: 249, negative conditional: 50, negative unconditional: 199, unknown: 32, unknown conditional: 32, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 409, Positive cache size: 389, Positive conditional cache size: 28, Positive unconditional cache size: 361, Negative cache size: 20, Negative conditional cache size: 4, Negative unconditional cache size: 16, Eliminated conditions: 193, SemanticConditionEliminator.Independence Queries: [ total: 478, positive: 225, positive conditional: 225, positive unconditional: 0, negative: 253, negative conditional: 54, negative unconditional: 199, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 478, positive: 225, positive conditional: 225, positive unconditional: 0, negative: 253, negative conditional: 54, negative unconditional: 199, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 56, positive: 36, positive conditional: 28, positive unconditional: 8, negative: 20, negative conditional: 4, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 127, positive: 64, positive conditional: 43, positive unconditional: 21, negative: 63, negative conditional: 11, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 478, positive: 197, positive conditional: 197, positive unconditional: 0, negative: 249, negative conditional: 50, negative unconditional: 199, unknown: 32, unknown conditional: 32, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 409, Positive cache size: 389, Positive conditional cache size: 28, Positive unconditional cache size: 361, Negative cache size: 20, Negative conditional cache size: 4, Negative unconditional cache size: 16, Eliminated conditions: 193 ], Maximal queried relation: 4, Independence queries for same thread: 227 - PositiveResult [Line: 62]: 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 7 procedures, 48 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2200.0ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 19.1ms, PartialOrderReductionTime: 420.7ms, 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: 33.2ms SsaConstructionTime, 76.3ms SatisfiabilityAnalysisTime, 475.2ms InterpolantComputationTime, 232 NumberOfCodeBlocks, 232 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 224 ConstructedInterpolants, 0 QuantifiedInterpolants, 352 SizeOfPredicates, 2 NumberOfNonLiveVariables, 227 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 68/84 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...