/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct04.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 19:33:15,114 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 19:33:15,115 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 19:33:15,136 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 19:33:15,158 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf [2021-07-14 19:33:15,173 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 19:33:15,173 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 19:33:15,173 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 19:33:15,173 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 19:33:15,174 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 19:33:15,174 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 19:33:15,174 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 19:33:15,174 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 19:33:15,174 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 19:33:15,175 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 19:33:15,175 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 19:33:15,175 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 19:33:15,175 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 19:33:15,175 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 19:33:15,175 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 19:33:15,175 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 19:33:15,175 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 19:33:15,175 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 19:33:15,175 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 19:33:15,175 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 19:33:15,176 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 19:33:15,176 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 19:33:15,176 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 19:33:15,176 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 19:33:15,176 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 19:33:15,176 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 19:33:15,176 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 19:33:15,176 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 19:33:15,176 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-07-14 19:33:15,176 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 19:33:15,176 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 19:33:15,176 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 19:33:15,177 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 19:33:15,177 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-14 19:33:15,177 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 19:33:15,393 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 19:33:15,420 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 19:33:15,421 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 19:33:15,422 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 19:33:15,423 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 19:33:15,424 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct04.bpl [2021-07-14 19:33:15,424 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct04.bpl' [2021-07-14 19:33:15,448 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 19:33:15,450 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 19:33:15,450 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 19:33:15,450 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 19:33:15,451 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 19:33:15,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth-correct04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:33:15" (1/1) ... [2021-07-14 19:33:15,465 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth-correct04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:33:15" (1/1) ... [2021-07-14 19:33:15,476 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 19:33:15,477 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 19:33:15,477 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 19:33:15,477 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 19:33:15,482 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth-correct04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:33:15" (1/1) ... [2021-07-14 19:33:15,482 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth-correct04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:33:15" (1/1) ... [2021-07-14 19:33:15,483 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth-correct04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:33:15" (1/1) ... [2021-07-14 19:33:15,483 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth-correct04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:33:15" (1/1) ... [2021-07-14 19:33:15,485 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth-correct04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:33:15" (1/1) ... [2021-07-14 19:33:15,487 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth-correct04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:33:15" (1/1) ... [2021-07-14 19:33:15,488 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth-correct04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:33:15" (1/1) ... [2021-07-14 19:33:15,490 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 19:33:15,492 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 19:33:15,492 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 19:33:15,492 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 19:33:15,493 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-correct04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:33:15" (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 [2021-07-14 19:33:15,543 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThreadWithAssert given in one single declaration [2021-07-14 19:33:15,544 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThreadWithAssert [2021-07-14 19:33:15,544 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThreadWithAssert [2021-07-14 19:33:15,544 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration [2021-07-14 19:33:15,544 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThread [2021-07-14 19:33:15,544 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThread [2021-07-14 19:33:15,544 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration [2021-07-14 19:33:15,544 INFO L130 BoogieDeclarations]: Found specification of procedure ServerThread [2021-07-14 19:33:15,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ServerThread [2021-07-14 19:33:15,544 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 19:33:15,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 19:33:15,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 19:33:15,545 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 19:33:15,697 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 19:33:15,697 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-07-14 19:33:15,698 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadWithAssertEXIT is neither atomic block end nor error location. [2021-07-14 19:33:15,698 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadEXIT is neither atomic block end nor error location. [2021-07-14 19:33:15,699 INFO L202 PluginConnector]: Adding new model bluetooth-correct04.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 07:33:15 BoogieIcfgContainer [2021-07-14 19:33:15,700 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 19:33:15,701 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 19:33:15,701 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 19:33:15,703 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 19:33:15,703 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-correct04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:33:15" (1/2) ... [2021-07-14 19:33:15,703 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d5893a5 and model type bluetooth-correct04.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 07:33:15, skipping insertion in model container [2021-07-14 19:33:15,703 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-correct04.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 07:33:15" (2/2) ... [2021-07-14 19:33:15,704 INFO L111 eAbstractionObserver]: Analyzing ICFG bluetooth-correct04.bpl [2021-07-14 19:33:15,708 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 19:33:15,708 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 19:33:15,708 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 19:33:15,713 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 19:33:15,761 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-14 19:33:15,793 INFO L255 AbstractCegarLoop]: Starting to check reachability of 5 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 [2021-07-14 19:33:15,883 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 19:33:15,883 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 19:33:15,884 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 19:33:15,884 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 19:33:15,884 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 19:33:15,884 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 19:33:15,884 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 19:33:15,884 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 19:33:16,392 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (1/2) [2021-07-14 19:33:16,394 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-14 19:33:16,418 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 19:33:16,418 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 19:33:16,418 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 19:33:16,418 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 19:33:16,418 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 19:33:16,418 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 19:33:16,418 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 19:33:16,419 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == DeviceThreadWithAssertThread1of1ForFork1======== [2021-07-14 19:33:16,536 INFO L430 AbstractCegarLoop]: === Iteration 1 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 19:33:16,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:33:16,540 INFO L82 PathProgramCache]: Analyzing trace with hash 1841078994, now seen corresponding path program 1 times [2021-07-14 19:33:16,546 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:33:16,546 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798741391] [2021-07-14 19:33:16,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:33:16,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:33:16,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:33:16,623 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:33:16,623 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798741391] [2021-07-14 19:33:16,623 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798741391] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 19:33:16,623 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 19:33:16,623 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 19:33:16,624 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696868459] [2021-07-14 19:33:16,627 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 19:33:16,627 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:33:16,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 19:33:16,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 19:33:16,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:33:16,636 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:33:16,636 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2021-07-14 19:33:16,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:33:16,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:33:16,682 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 19:33:16,682 INFO L430 AbstractCegarLoop]: === Iteration 2 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 19:33:16,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:33:16,688 INFO L82 PathProgramCache]: Analyzing trace with hash 1167775337, now seen corresponding path program 1 times [2021-07-14 19:33:16,688 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:33:16,688 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768069293] [2021-07-14 19:33:16,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:33:16,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:33:16,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:33:16,705 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:33:16,706 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768069293] [2021-07-14 19:33:16,706 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768069293] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 19:33:16,706 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 19:33:16,706 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-14 19:33:16,706 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343986433] [2021-07-14 19:33:16,707 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 19:33:16,707 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:33:16,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 19:33:16,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 19:33:16,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:33:16,709 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:33:16,709 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2021-07-14 19:33:16,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:33:16,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:33:16,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:33:16,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:33:16,752 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-14 19:33:16,752 INFO L430 AbstractCegarLoop]: === Iteration 3 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 19:33:16,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:33:16,752 INFO L82 PathProgramCache]: Analyzing trace with hash 2143896448, now seen corresponding path program 1 times [2021-07-14 19:33:16,752 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:33:16,753 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479324928] [2021-07-14 19:33:16,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:33:16,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:33:16,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:33:16,866 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:33:16,866 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479324928] [2021-07-14 19:33:16,866 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1479324928] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 19:33:16,866 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 19:33:16,866 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-14 19:33:16,866 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576858309] [2021-07-14 19:33:16,866 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-14 19:33:16,867 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:33:16,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-14 19:33:16,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-07-14 19:33:16,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:33:16,867 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:33:16,867 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 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) [2021-07-14 19:33:16,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:33:16,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:33:16,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:33:16,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:33:16,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:33:16,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 19:33:16,981 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-14 19:33:16,981 INFO L430 AbstractCegarLoop]: === Iteration 4 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 19:33:16,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:33:16,982 INFO L82 PathProgramCache]: Analyzing trace with hash 1167988283, now seen corresponding path program 1 times [2021-07-14 19:33:16,982 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:33:16,982 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934963743] [2021-07-14 19:33:16,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:33:16,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:33:17,057 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:33:17,058 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:33:17,058 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934963743] [2021-07-14 19:33:17,058 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934963743] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 19:33:17,059 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 19:33:17,060 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-14 19:33:17,061 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732136881] [2021-07-14 19:33:17,061 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-14 19:33:17,061 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:33:17,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-14 19:33:17,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2021-07-14 19:33:17,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:33:17,062 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:33:17,062 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 6 states have internal predecessors, (24), 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) [2021-07-14 19:33:17,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:33:17,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:33:17,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 19:33:17,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:33:17,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:33:17,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:33:17,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 19:33:17,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 19:33:17,233 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-07-14 19:33:17,233 INFO L430 AbstractCegarLoop]: === Iteration 5 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 19:33:17,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:33:17,234 INFO L82 PathProgramCache]: Analyzing trace with hash -973240730, now seen corresponding path program 1 times [2021-07-14 19:33:17,234 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:33:17,234 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720592689] [2021-07-14 19:33:17,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:33:17,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:33:17,316 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-14 19:33:17,317 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:33:17,317 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720592689] [2021-07-14 19:33:17,317 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720592689] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:33:17,317 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1845148643] [2021-07-14 19:33:17,317 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 [2021-07-14 19:33:17,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:33:17,353 WARN L261 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 34 conjunts are in the unsatisfiable core [2021-07-14 19:33:17,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 19:33:17,508 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-14 19:33:17,508 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1845148643] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:33:17,508 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 19:33:17,508 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-07-14 19:33:17,508 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092639586] [2021-07-14 19:33:17,509 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-14 19:33:17,509 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:33:17,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-14 19:33:17,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=99, Unknown=0, NotChecked=0, Total=156 [2021-07-14 19:33:17,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:33:17,509 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:33:17,510 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 4.384615384615385) internal successors, (57), 12 states have internal predecessors, (57), 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) [2021-07-14 19:33:17,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:33:17,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:33:17,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 19:33:17,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 19:33:17,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:33:18,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:33:18,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:33:18,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 19:33:18,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 19:33:18,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:33:18,288 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:33:18,289 INFO L430 AbstractCegarLoop]: === Iteration 6 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 19:33:18,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:33:18,289 INFO L82 PathProgramCache]: Analyzing trace with hash -870856140, now seen corresponding path program 1 times [2021-07-14 19:33:18,289 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:33:18,290 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762549566] [2021-07-14 19:33:18,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:33:18,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:33:18,386 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 16 proven. 12 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-07-14 19:33:18,386 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:33:18,386 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762549566] [2021-07-14 19:33:18,386 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762549566] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:33:18,386 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1263912583] [2021-07-14 19:33:18,387 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 [2021-07-14 19:33:18,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:33:18,426 WARN L261 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 64 conjunts are in the unsatisfiable core [2021-07-14 19:33:18,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 19:33:18,587 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 3 proven. 25 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-07-14 19:33:18,587 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1263912583] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:33:18,587 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 19:33:18,587 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2021-07-14 19:33:18,588 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967707102] [2021-07-14 19:33:18,588 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-14 19:33:18,588 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:33:18,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-14 19:33:18,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2021-07-14 19:33:18,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:33:18,589 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:33:18,589 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 5.0) internal successors, (75), 14 states have internal predecessors, (75), 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) [2021-07-14 19:33:18,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:33:18,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:33:18,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 19:33:18,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 19:33:18,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:33:18,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:33:19,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:33:19,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:33:19,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 19:33:19,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 19:33:19,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:33:19,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:33:19,467 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:33:19,470 INFO L301 ceAbstractionStarter]: Result for error location DeviceThreadWithAssertThread1of1ForFork1 was SAFE (2/2) [2021-07-14 19:33:19,471 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-14 19:33:19,472 INFO L202 PluginConnector]: Adding new model bluetooth-correct04.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.07 07:33:19 BasicIcfg [2021-07-14 19:33:19,472 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-14 19:33:19,473 INFO L168 Benchmark]: Toolchain (without parser) took 4023.42 ms. Allocated memory was 200.3 MB in the beginning and 283.1 MB in the end (delta: 82.8 MB). Free memory was 179.9 MB in the beginning and 220.7 MB in the end (delta: -40.8 MB). Peak memory consumption was 183.6 MB. Max. memory is 8.0 GB. [2021-07-14 19:33:19,473 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.13 ms. Allocated memory is still 200.3 MB. Free memory is still 180.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 19:33:19,473 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.04 ms. Allocated memory is still 200.3 MB. Free memory was 179.8 MB in the beginning and 178.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-14 19:33:19,473 INFO L168 Benchmark]: Boogie Preprocessor took 12.61 ms. Allocated memory is still 200.3 MB. Free memory was 178.0 MB in the beginning and 177.1 MB in the end (delta: 909.2 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-14 19:33:19,473 INFO L168 Benchmark]: RCFGBuilder took 207.91 ms. Allocated memory is still 200.3 MB. Free memory was 176.9 MB in the beginning and 162.1 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-07-14 19:33:19,473 INFO L168 Benchmark]: TraceAbstraction took 3771.73 ms. Allocated memory was 200.3 MB in the beginning and 283.1 MB in the end (delta: 82.8 MB). Free memory was 161.7 MB in the beginning and 220.7 MB in the end (delta: -59.0 MB). Peak memory consumption was 164.7 MB. Max. memory is 8.0 GB. [2021-07-14 19:33:19,474 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.13 ms. Allocated memory is still 200.3 MB. Free memory is still 180.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 26.04 ms. Allocated memory is still 200.3 MB. Free memory was 179.8 MB in the beginning and 178.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 12.61 ms. Allocated memory is still 200.3 MB. Free memory was 178.0 MB in the beginning and 177.1 MB in the end (delta: 909.2 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 207.91 ms. Allocated memory is still 200.3 MB. Free memory was 176.9 MB in the beginning and 162.1 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 3771.73 ms. Allocated memory was 200.3 MB in the beginning and 283.1 MB in the end (delta: 82.8 MB). Free memory was 161.7 MB in the beginning and 220.7 MB in the end (delta: -59.0 MB). Peak memory consumption was 164.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 9182, positive: 6981, positive conditional: 6051, positive unconditional: 930, negative: 2201, negative conditional: 2135, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 8171, positive: 6981, positive conditional: 6051, positive unconditional: 930, negative: 1190, negative conditional: 1124, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 8171, positive: 6981, positive conditional: 0, positive unconditional: 6981, negative: 1190, negative conditional: 0, negative unconditional: 1190, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 639, positive: 600, positive conditional: 0, positive unconditional: 600, negative: 39, negative conditional: 0, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 639, positive: 567, positive conditional: 0, positive unconditional: 567, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 72, positive: 33, positive conditional: 0, positive unconditional: 33, negative: 39, negative conditional: 0, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 72, positive: 33, positive conditional: 0, positive unconditional: 33, negative: 39, negative conditional: 0, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 252, positive: 90, positive conditional: 0, positive unconditional: 90, negative: 161, negative conditional: 0, negative unconditional: 161, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 8171, positive: 6381, positive conditional: 0, positive unconditional: 6381, negative: 1151, negative conditional: 0, negative unconditional: 1151, unknown: 639, unknown conditional: 0, unknown unconditional: 639] , Statistics on independence cache: Total cache size (in pairs): 639, Positive cache size: 600, Positive conditional cache size: 0, Positive unconditional cache size: 600, Negative cache size: 39, Negative conditional cache size: 0, Negative unconditional cache size: 39 ], Maximal queried relation: 0, Independence queries for same thread: 1011 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 356, Number of persistent set computation: 303, Number of trivial persistent sets: 229, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 9182, positive: 6981, positive conditional: 6051, positive unconditional: 930, negative: 2201, negative conditional: 2135, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 8171, positive: 6981, positive conditional: 6051, positive unconditional: 930, negative: 1190, negative conditional: 1124, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 8171, positive: 6981, positive conditional: 0, positive unconditional: 6981, negative: 1190, negative conditional: 0, negative unconditional: 1190, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 639, positive: 600, positive conditional: 0, positive unconditional: 600, negative: 39, negative conditional: 0, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 639, positive: 567, positive conditional: 0, positive unconditional: 567, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 72, positive: 33, positive conditional: 0, positive unconditional: 33, negative: 39, negative conditional: 0, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 72, positive: 33, positive conditional: 0, positive unconditional: 33, negative: 39, negative conditional: 0, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 252, positive: 90, positive conditional: 0, positive unconditional: 90, negative: 161, negative conditional: 0, negative unconditional: 161, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 8171, positive: 6381, positive conditional: 0, positive unconditional: 6381, negative: 1151, negative conditional: 0, negative unconditional: 1151, unknown: 639, unknown conditional: 0, unknown unconditional: 639] , Statistics on independence cache: Total cache size (in pairs): 639, Positive cache size: 600, Positive conditional cache size: 0, Positive unconditional cache size: 600, Negative cache size: 39, Negative conditional cache size: 0, Negative unconditional cache size: 39 ], Maximal queried relation: 0, Independence queries for same thread: 1011 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 107607, positive: 100053, positive conditional: 99040, positive unconditional: 1013, negative: 7554, negative conditional: 7481, negative unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 102150, positive: 100053, positive conditional: 99040, positive unconditional: 1013, negative: 2097, negative conditional: 2024, negative unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 102150, positive: 86651, positive conditional: 0, positive unconditional: 86651, negative: 15499, negative conditional: 0, negative unconditional: 15499, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 692, positive: 650, positive conditional: 0, positive unconditional: 650, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 692, positive: 608, positive conditional: 0, positive unconditional: 608, negative: 84, negative conditional: 0, negative unconditional: 84, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 84, positive: 42, positive conditional: 0, positive unconditional: 42, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 383, positive: 209, positive conditional: 167, positive unconditional: 42, negative: 174, negative conditional: 132, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 453, positive: 239, positive conditional: 167, positive unconditional: 72, negative: 214, negative conditional: 110, negative unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 102150, positive: 86001, positive conditional: 0, positive unconditional: 86001, negative: 15457, negative conditional: 0, negative unconditional: 15457, unknown: 692, unknown conditional: 0, unknown unconditional: 692] , Statistics on independence cache: Total cache size (in pairs): 991, Positive cache size: 817, Positive conditional cache size: 167, Positive unconditional cache size: 650, Negative cache size: 174, Negative conditional cache size: 132, Negative unconditional cache size: 42, SemanticConditionEliminator.Independence Queries: [ total: 36471, positive: 13402, positive conditional: 13402, positive unconditional: 0, negative: 23069, negative conditional: 7575, negative unconditional: 15494, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 36471, positive: 13402, positive conditional: 13402, positive unconditional: 0, negative: 23069, negative conditional: 7575, negative unconditional: 15494, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 383, positive: 209, positive conditional: 167, positive unconditional: 42, negative: 174, negative conditional: 132, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 453, positive: 239, positive conditional: 167, positive unconditional: 72, negative: 214, negative conditional: 110, negative unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 36471, positive: 13235, positive conditional: 13235, positive unconditional: 0, negative: 22937, negative conditional: 7443, negative unconditional: 15494, unknown: 299, unknown conditional: 299, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 991, Positive cache size: 817, Positive conditional cache size: 167, Positive unconditional cache size: 650, Negative cache size: 174, Negative conditional cache size: 132, Negative unconditional cache size: 42, Eliminated conditions: 15354, SemanticConditionEliminator.Independence Queries: [ total: 36471, positive: 13402, positive conditional: 13402, positive unconditional: 0, negative: 23069, negative conditional: 7575, negative unconditional: 15494, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 36471, positive: 13402, positive conditional: 13402, positive unconditional: 0, negative: 23069, negative conditional: 7575, negative unconditional: 15494, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 383, positive: 209, positive conditional: 167, positive unconditional: 42, negative: 174, negative conditional: 132, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 453, positive: 239, positive conditional: 167, positive unconditional: 72, negative: 214, negative conditional: 110, negative unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 36471, positive: 13235, positive conditional: 13235, positive unconditional: 0, negative: 22937, negative conditional: 7443, negative unconditional: 15494, unknown: 299, unknown conditional: 299, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 991, Positive cache size: 817, Positive conditional cache size: 167, Positive unconditional cache size: 650, Negative cache size: 174, Negative conditional cache size: 132, Negative unconditional cache size: 42, Eliminated conditions: 15354, SemanticConditionEliminator.Independence Queries: [ total: 36471, positive: 13402, positive conditional: 13402, positive unconditional: 0, negative: 23069, negative conditional: 7575, negative unconditional: 15494, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 36471, positive: 13402, positive conditional: 13402, positive unconditional: 0, negative: 23069, negative conditional: 7575, negative unconditional: 15494, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 383, positive: 209, positive conditional: 167, positive unconditional: 42, negative: 174, negative conditional: 132, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 453, positive: 239, positive conditional: 167, positive unconditional: 72, negative: 214, negative conditional: 110, negative unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 36471, positive: 13235, positive conditional: 13235, positive unconditional: 0, negative: 22937, negative conditional: 7443, negative unconditional: 15494, unknown: 299, unknown conditional: 299, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 991, Positive cache size: 817, Positive conditional cache size: 167, Positive unconditional cache size: 650, Negative cache size: 174, Negative conditional cache size: 132, Negative unconditional cache size: 42, Eliminated conditions: 15354, SemanticConditionEliminator.Independence Queries: [ total: 36471, positive: 13402, positive conditional: 13402, positive unconditional: 0, negative: 23069, negative conditional: 7575, negative unconditional: 15494, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 36471, positive: 13402, positive conditional: 13402, positive unconditional: 0, negative: 23069, negative conditional: 7575, negative unconditional: 15494, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 383, positive: 209, positive conditional: 167, positive unconditional: 42, negative: 174, negative conditional: 132, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 453, positive: 239, positive conditional: 167, positive unconditional: 72, negative: 214, negative conditional: 110, negative unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 36471, positive: 13235, positive conditional: 13235, positive unconditional: 0, negative: 22937, negative conditional: 7443, negative unconditional: 15494, unknown: 299, unknown conditional: 299, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 991, Positive cache size: 817, Positive conditional cache size: 167, Positive unconditional cache size: 650, Negative cache size: 174, Negative conditional cache size: 132, Negative unconditional cache size: 42, Eliminated conditions: 15354, SemanticConditionEliminator.Independence Queries: [ total: 36471, positive: 13402, positive conditional: 13402, positive unconditional: 0, negative: 23069, negative conditional: 7575, negative unconditional: 15494, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 36471, positive: 13402, positive conditional: 13402, positive unconditional: 0, negative: 23069, negative conditional: 7575, negative unconditional: 15494, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 383, positive: 209, positive conditional: 167, positive unconditional: 42, negative: 174, negative conditional: 132, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 453, positive: 239, positive conditional: 167, positive unconditional: 72, negative: 214, negative conditional: 110, negative unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 36471, positive: 13235, positive conditional: 13235, positive unconditional: 0, negative: 22937, negative conditional: 7443, negative unconditional: 15494, unknown: 299, unknown conditional: 299, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 991, Positive cache size: 817, Positive conditional cache size: 167, Positive unconditional cache size: 650, Negative cache size: 174, Negative conditional cache size: 132, Negative unconditional cache size: 42, Eliminated conditions: 15354, SemanticConditionEliminator.Independence Queries: [ total: 36471, positive: 13402, positive conditional: 13402, positive unconditional: 0, negative: 23069, negative conditional: 7575, negative unconditional: 15494, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 36471, positive: 13402, positive conditional: 13402, positive unconditional: 0, negative: 23069, negative conditional: 7575, negative unconditional: 15494, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 383, positive: 209, positive conditional: 167, positive unconditional: 42, negative: 174, negative conditional: 132, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 453, positive: 239, positive conditional: 167, positive unconditional: 72, negative: 214, negative conditional: 110, negative unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 36471, positive: 13235, positive conditional: 13235, positive unconditional: 0, negative: 22937, negative conditional: 7443, negative unconditional: 15494, unknown: 299, unknown conditional: 299, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 991, Positive cache size: 817, Positive conditional cache size: 167, Positive unconditional cache size: 650, Negative cache size: 174, Negative conditional cache size: 132, Negative unconditional cache size: 42, Eliminated conditions: 15354 ], Maximal queried relation: 6, Independence queries for same thread: 5457 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 238, Number of persistent set computation: 689, Number of trivial persistent sets: 540, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 107607, positive: 100053, positive conditional: 99040, positive unconditional: 1013, negative: 7554, negative conditional: 7481, negative unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 102150, positive: 100053, positive conditional: 99040, positive unconditional: 1013, negative: 2097, negative conditional: 2024, negative unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 102150, positive: 86651, positive conditional: 0, positive unconditional: 86651, negative: 15499, negative conditional: 0, negative unconditional: 15499, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 692, positive: 650, positive conditional: 0, positive unconditional: 650, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 692, positive: 608, positive conditional: 0, positive unconditional: 608, negative: 84, negative conditional: 0, negative unconditional: 84, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 84, positive: 42, positive conditional: 0, positive unconditional: 42, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 383, positive: 209, positive conditional: 167, positive unconditional: 42, negative: 174, negative conditional: 132, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 453, positive: 239, positive conditional: 167, positive unconditional: 72, negative: 214, negative conditional: 110, negative unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 102150, positive: 86001, positive conditional: 0, positive unconditional: 86001, negative: 15457, negative conditional: 0, negative unconditional: 15457, unknown: 692, unknown conditional: 0, unknown unconditional: 692] , Statistics on independence cache: Total cache size (in pairs): 991, Positive cache size: 817, Positive conditional cache size: 167, Positive unconditional cache size: 650, Negative cache size: 174, Negative conditional cache size: 132, Negative unconditional cache size: 42, SemanticConditionEliminator.Independence Queries: [ total: 36471, positive: 13402, positive conditional: 13402, positive unconditional: 0, negative: 23069, negative conditional: 7575, negative unconditional: 15494, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 36471, positive: 13402, positive conditional: 13402, positive unconditional: 0, negative: 23069, negative conditional: 7575, negative unconditional: 15494, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 383, positive: 209, positive conditional: 167, positive unconditional: 42, negative: 174, negative conditional: 132, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 453, positive: 239, positive conditional: 167, positive unconditional: 72, negative: 214, negative conditional: 110, negative unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 36471, positive: 13235, positive conditional: 13235, positive unconditional: 0, negative: 22937, negative conditional: 7443, negative unconditional: 15494, unknown: 299, unknown conditional: 299, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 991, Positive cache size: 817, Positive conditional cache size: 167, Positive unconditional cache size: 650, Negative cache size: 174, Negative conditional cache size: 132, Negative unconditional cache size: 42, Eliminated conditions: 15354, SemanticConditionEliminator.Independence Queries: [ total: 36471, positive: 13402, positive conditional: 13402, positive unconditional: 0, negative: 23069, negative conditional: 7575, negative unconditional: 15494, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 36471, positive: 13402, positive conditional: 13402, positive unconditional: 0, negative: 23069, negative conditional: 7575, negative unconditional: 15494, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 383, positive: 209, positive conditional: 167, positive unconditional: 42, negative: 174, negative conditional: 132, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 453, positive: 239, positive conditional: 167, positive unconditional: 72, negative: 214, negative conditional: 110, negative unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 36471, positive: 13235, positive conditional: 13235, positive unconditional: 0, negative: 22937, negative conditional: 7443, negative unconditional: 15494, unknown: 299, unknown conditional: 299, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 991, Positive cache size: 817, Positive conditional cache size: 167, Positive unconditional cache size: 650, Negative cache size: 174, Negative conditional cache size: 132, Negative unconditional cache size: 42, Eliminated conditions: 15354, SemanticConditionEliminator.Independence Queries: [ total: 36471, positive: 13402, positive conditional: 13402, positive unconditional: 0, negative: 23069, negative conditional: 7575, negative unconditional: 15494, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 36471, positive: 13402, positive conditional: 13402, positive unconditional: 0, negative: 23069, negative conditional: 7575, negative unconditional: 15494, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 383, positive: 209, positive conditional: 167, positive unconditional: 42, negative: 174, negative conditional: 132, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 453, positive: 239, positive conditional: 167, positive unconditional: 72, negative: 214, negative conditional: 110, negative unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 36471, positive: 13235, positive conditional: 13235, positive unconditional: 0, negative: 22937, negative conditional: 7443, negative unconditional: 15494, unknown: 299, unknown conditional: 299, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 991, Positive cache size: 817, Positive conditional cache size: 167, Positive unconditional cache size: 650, Negative cache size: 174, Negative conditional cache size: 132, Negative unconditional cache size: 42, Eliminated conditions: 15354, SemanticConditionEliminator.Independence Queries: [ total: 36471, positive: 13402, positive conditional: 13402, positive unconditional: 0, negative: 23069, negative conditional: 7575, negative unconditional: 15494, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 36471, positive: 13402, positive conditional: 13402, positive unconditional: 0, negative: 23069, negative conditional: 7575, negative unconditional: 15494, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 383, positive: 209, positive conditional: 167, positive unconditional: 42, negative: 174, negative conditional: 132, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 453, positive: 239, positive conditional: 167, positive unconditional: 72, negative: 214, negative conditional: 110, negative unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 36471, positive: 13235, positive conditional: 13235, positive unconditional: 0, negative: 22937, negative conditional: 7443, negative unconditional: 15494, unknown: 299, unknown conditional: 299, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 991, Positive cache size: 817, Positive conditional cache size: 167, Positive unconditional cache size: 650, Negative cache size: 174, Negative conditional cache size: 132, Negative unconditional cache size: 42, Eliminated conditions: 15354, SemanticConditionEliminator.Independence Queries: [ total: 36471, positive: 13402, positive conditional: 13402, positive unconditional: 0, negative: 23069, negative conditional: 7575, negative unconditional: 15494, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 36471, positive: 13402, positive conditional: 13402, positive unconditional: 0, negative: 23069, negative conditional: 7575, negative unconditional: 15494, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 383, positive: 209, positive conditional: 167, positive unconditional: 42, negative: 174, negative conditional: 132, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 453, positive: 239, positive conditional: 167, positive unconditional: 72, negative: 214, negative conditional: 110, negative unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 36471, positive: 13235, positive conditional: 13235, positive unconditional: 0, negative: 22937, negative conditional: 7443, negative unconditional: 15494, unknown: 299, unknown conditional: 299, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 991, Positive cache size: 817, Positive conditional cache size: 167, Positive unconditional cache size: 650, Negative cache size: 174, Negative conditional cache size: 132, Negative unconditional cache size: 42, Eliminated conditions: 15354, SemanticConditionEliminator.Independence Queries: [ total: 36471, positive: 13402, positive conditional: 13402, positive unconditional: 0, negative: 23069, negative conditional: 7575, negative unconditional: 15494, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 36471, positive: 13402, positive conditional: 13402, positive unconditional: 0, negative: 23069, negative conditional: 7575, negative unconditional: 15494, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 383, positive: 209, positive conditional: 167, positive unconditional: 42, negative: 174, negative conditional: 132, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 453, positive: 239, positive conditional: 167, positive unconditional: 72, negative: 214, negative conditional: 110, negative unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 36471, positive: 13235, positive conditional: 13235, positive unconditional: 0, negative: 22937, negative conditional: 7443, negative unconditional: 15494, unknown: 299, unknown conditional: 299, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 991, Positive cache size: 817, Positive conditional cache size: 167, Positive unconditional cache size: 650, Negative cache size: 174, Negative conditional cache size: 132, Negative unconditional cache size: 42, Eliminated conditions: 15354 ], Maximal queried relation: 6, Independence queries for same thread: 5457 - PositiveResult [Line: 37]: 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 9 procedures, 50 locations, 7 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 587.0ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 14.8ms, PartialOrderReductionTime: 484.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, 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: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: DeviceThreadWithAssertThread1of1ForFork1 with 1 thread instances CFG has 9 procedures, 50 locations, 7 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3072.8ms, OverallIterations: 6, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.8ms, PartialOrderReductionTime: 1702.7ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 36, 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: 17.0ms SsaConstructionTime, 68.6ms SatisfiabilityAnalysisTime, 670.9ms InterpolantComputationTime, 206 NumberOfCodeBlocks, 206 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 198 ConstructedInterpolants, 0 QuantifiedInterpolants, 981 SizeOfPredicates, 2 NumberOfNonLiveVariables, 163 ConjunctsInSsa, 98 ConjunctsInUnsatCore, 8 InterpolantComputations, 4 PerfectInterpolantSequences, 53/101 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...