/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-NewStatesSleep-NoLbe-Symm.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth02.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d310483fe8b4879eee5de19363f50e4b839cc4ec-d310483 [2021-06-24 19:55:36,145 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-24 19:55:36,147 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-24 19:55:36,194 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-24 19:55:36,259 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-NewStatesSleep-NoLbe-Symm.epf [2021-06-24 19:55:36,293 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-24 19:55:36,293 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-24 19:55:36,294 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-24 19:55:36,294 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-24 19:55:36,296 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-24 19:55:36,296 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-24 19:55:36,297 INFO L138 SettingsManager]: * Use SBE=true [2021-06-24 19:55:36,297 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-24 19:55:36,297 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-24 19:55:36,297 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-24 19:55:36,298 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-24 19:55:36,298 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-24 19:55:36,299 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-24 19:55:36,299 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-24 19:55:36,299 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-24 19:55:36,299 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-24 19:55:36,299 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-24 19:55:36,299 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-24 19:55:36,299 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-24 19:55:36,300 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-24 19:55:36,300 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-24 19:55:36,300 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-24 19:55:36,300 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-24 19:55:36,300 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-24 19:55:36,300 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-24 19:55:36,301 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-24 19:55:36,301 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-24 19:55:36,301 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-24 19:55:36,301 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-24 19:55:36,301 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-24 19:55:36,301 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-24 19:55:36,302 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-24 19:55:36,302 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-06-24 19:55:36,302 INFO L138 SettingsManager]: * Limit POR to symmetric independence in concurrent analysis=true [2021-06-24 19:55:36,302 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-24 19:55:36,631 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-24 19:55:36,654 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-24 19:55:36,656 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-24 19:55:36,657 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-24 19:55:36,661 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-24 19:55:36,662 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth02.bpl [2021-06-24 19:55:36,662 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth02.bpl' [2021-06-24 19:55:36,683 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-24 19:55:36,684 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-24 19:55:36,685 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-24 19:55:36,685 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-24 19:55:36,686 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-24 19:55:36,694 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.06 07:55:36" (1/1) ... [2021-06-24 19:55:36,703 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.06 07:55:36" (1/1) ... [2021-06-24 19:55:36,718 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-24 19:55:36,720 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-24 19:55:36,721 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-24 19:55:36,721 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-24 19:55:36,728 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.06 07:55:36" (1/1) ... [2021-06-24 19:55:36,728 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.06 07:55:36" (1/1) ... [2021-06-24 19:55:36,729 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.06 07:55:36" (1/1) ... [2021-06-24 19:55:36,729 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.06 07:55:36" (1/1) ... [2021-06-24 19:55:36,730 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.06 07:55:36" (1/1) ... [2021-06-24 19:55:36,732 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.06 07:55:36" (1/1) ... [2021-06-24 19:55:36,733 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.06 07:55:36" (1/1) ... [2021-06-24 19:55:36,734 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-24 19:55:36,735 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-24 19:55:36,735 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-24 19:55:36,735 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-24 19:55:36,736 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.06 07:55:36" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-24 19:55:36,802 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration [2021-06-24 19:55:36,802 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThread [2021-06-24 19:55:36,803 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThread [2021-06-24 19:55:36,803 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration [2021-06-24 19:55:36,803 INFO L130 BoogieDeclarations]: Found specification of procedure ServerThread [2021-06-24 19:55:36,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ServerThread [2021-06-24 19:55:36,803 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-24 19:55:36,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-24 19:55:36,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-24 19:55:36,804 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-24 19:55:37,093 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-24 19:55:37,093 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-06-24 19:55:37,100 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadEXIT is neither atomic block end nor error location. [2021-06-24 19:55:37,101 INFO L202 PluginConnector]: Adding new model bluetooth02.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.06 07:55:37 BoogieIcfgContainer [2021-06-24 19:55:37,102 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-24 19:55:37,103 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-24 19:55:37,103 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-24 19:55:37,129 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-24 19:55:37,129 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.06 07:55:36" (1/2) ... [2021-06-24 19:55:37,130 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77b7ff3d and model type bluetooth02.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.06 07:55:37, skipping insertion in model container [2021-06-24 19:55:37,130 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth02.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.06 07:55:37" (2/2) ... [2021-06-24 19:55:37,131 INFO L111 eAbstractionObserver]: Analyzing ICFG bluetooth02.bpl [2021-06-24 19:55:37,136 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-24 19:55:37,136 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-24 19:55:37,161 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-24 19:55:37,162 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-24 19:55:37,215 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-24 19:55:37,235 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-24 19:55:37,276 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-24 19:55:37,276 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-24 19:55:37,276 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-24 19:55:37,276 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-24 19:55:37,277 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-24 19:55:37,277 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-24 19:55:37,277 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-24 19:55:37,277 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-24 19:55:37,407 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (1/3) [2021-06-24 19:55:37,408 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) [2021-06-24 19:55:37,425 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-24 19:55:37,425 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-24 19:55:37,425 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-24 19:55:37,426 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-24 19:55:37,426 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-24 19:55:37,426 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-24 19:55:37,426 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-24 19:55:37,426 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == DeviceThreadThread1of1ForFork2======== [2021-06-24 19:55:37,435 INFO L430 AbstractCegarLoop]: === Iteration 1 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 19:55:37,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 19:55:37,439 INFO L82 PathProgramCache]: Analyzing trace with hash 894592314, now seen corresponding path program 1 times Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-24 19:55:37,446 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 19:55:37,447 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002533630] [2021-06-24 19:55:37,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 19:55:37,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 19:55:37,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-24 19:55:37,607 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 19:55:37,607 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002533630] [2021-06-24 19:55:37,608 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002533630] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-24 19:55:37,608 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-24 19:55:37,608 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-24 19:55:37,609 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249476115] [2021-06-24 19:55:37,612 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-24 19:55:37,612 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 19:55:37,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-24 19:55:37,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-24 19:55:37,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 19:55:37,624 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 19:55:37,625 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 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) [2021-06-24 19:55:37,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 19:55:37,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:55:37,732 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-24 19:55:37,732 INFO L430 AbstractCegarLoop]: === Iteration 2 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 19:55:37,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 19:55:37,733 INFO L82 PathProgramCache]: Analyzing trace with hash -1831650690, now seen corresponding path program 1 times [2021-06-24 19:55:37,733 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 19:55:37,733 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179107921] [2021-06-24 19:55:37,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 19:55:37,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 19:55:37,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-24 19:55:37,745 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 19:55:37,746 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179107921] [2021-06-24 19:55:37,746 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1179107921] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-24 19:55:37,746 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-24 19:55:37,746 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-24 19:55:37,746 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632888165] [2021-06-24 19:55:37,747 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-24 19:55:37,747 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 19:55:37,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-24 19:55:37,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-24 19:55:37,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 19:55:37,748 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 19:55:37,749 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-24 19:55:37,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:55:37,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 19:55:37,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:55:37,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:55:37,798 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-24 19:55:37,798 INFO L430 AbstractCegarLoop]: === Iteration 3 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 19:55:37,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 19:55:37,806 INFO L82 PathProgramCache]: Analyzing trace with hash 109464518, now seen corresponding path program 1 times [2021-06-24 19:55:37,806 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 19:55:37,806 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360790310] [2021-06-24 19:55:37,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 19:55:37,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 19:55:37,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-24 19:55:37,878 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 19:55:37,878 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360790310] [2021-06-24 19:55:37,879 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360790310] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-24 19:55:37,879 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-24 19:55:37,879 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-24 19:55:37,879 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295924978] [2021-06-24 19:55:37,879 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-24 19:55:37,879 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 19:55:37,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-24 19:55:37,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-06-24 19:55:37,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 19:55:37,881 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 19:55:37,881 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) [2021-06-24 19:55:37,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:55:37,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:55:37,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 19:55:38,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:55:38,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:55:38,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-24 19:55:38,034 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-24 19:55:38,035 INFO L430 AbstractCegarLoop]: === Iteration 4 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 19:55:38,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 19:55:38,035 INFO L82 PathProgramCache]: Analyzing trace with hash 748228398, now seen corresponding path program 1 times [2021-06-24 19:55:38,035 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 19:55:38,036 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452626552] [2021-06-24 19:55:38,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 19:55:38,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 19:55:38,123 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-06-24 19:55:38,124 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 19:55:38,124 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452626552] [2021-06-24 19:55:38,124 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [452626552] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-24 19:55:38,124 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [8547939] [2021-06-24 19:55:38,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-24 19:55:38,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 19:55:38,187 WARN L261 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 34 conjunts are in the unsatisfiable core [2021-06-24 19:55:38,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-24 19:55:38,392 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-06-24 19:55:38,392 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [8547939] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-24 19:55:38,393 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-24 19:55:38,393 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-06-24 19:55:38,393 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160257009] [2021-06-24 19:55:38,393 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-24 19:55:38,393 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 19:55:38,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-24 19:55:38,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2021-06-24 19:55:38,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 19:55:38,394 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 19:55:38,395 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 4.2727272727272725) internal successors, (47), 10 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-24 19:55:38,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:55:38,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:55:38,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-24 19:55:38,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 19:55:38,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:55:38,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:55:38,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-24 19:55:38,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-24 19:55:38,701 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-24 19:55:38,704 INFO L301 ceAbstractionStarter]: Result for error location DeviceThreadThread1of1ForFork2 was SAFE (2/3) [2021-06-24 19:55:38,704 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 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-06-24 19:55:38,713 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-24 19:55:38,714 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-24 19:55:38,714 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-24 19:55:38,714 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-24 19:55:38,714 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-24 19:55:38,714 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-24 19:55:38,714 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-24 19:55:38,714 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == DeviceThreadThread1of1ForFork1======== [2021-06-24 19:55:38,717 INFO L430 AbstractCegarLoop]: === Iteration 1 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 19:55:38,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 19:55:38,718 INFO L82 PathProgramCache]: Analyzing trace with hash 608751467, now seen corresponding path program 1 times [2021-06-24 19:55:38,718 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 19:55:38,718 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271649447] [2021-06-24 19:55:38,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 19:55:38,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-24 19:55:38,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-24 19:55:38,752 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 19:55:38,752 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271649447] [2021-06-24 19:55:38,752 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271649447] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-24 19:55:38,752 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-24 19:55:38,753 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-24 19:55:38,753 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129598303] [2021-06-24 19:55:38,753 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-24 19:55:38,753 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 19:55:38,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-24 19:55:38,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-24 19:55:38,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 19:55:38,755 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 19:55:38,755 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-24 19:55:38,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 19:55:38,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:55:38,802 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-24 19:55:38,802 INFO L430 AbstractCegarLoop]: === Iteration 2 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 19:55:38,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 19:55:38,803 INFO L82 PathProgramCache]: Analyzing trace with hash 1808147887, now seen corresponding path program 1 times [2021-06-24 19:55:38,803 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 19:55:38,803 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680621322] [2021-06-24 19:55:38,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 19:55:38,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 19:55:38,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-24 19:55:38,815 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 19:55:38,815 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680621322] [2021-06-24 19:55:38,815 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680621322] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-24 19:55:38,815 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-24 19:55:38,815 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-24 19:55:38,816 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542877572] [2021-06-24 19:55:38,816 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-24 19:55:38,816 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 19:55:38,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-24 19:55:38,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-24 19:55:38,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 19:55:38,817 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 19:55:38,817 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) [2021-06-24 19:55:38,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:55:38,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 19:55:38,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:55:38,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:55:38,862 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-24 19:55:38,862 INFO L430 AbstractCegarLoop]: === Iteration 3 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 19:55:38,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 19:55:38,863 INFO L82 PathProgramCache]: Analyzing trace with hash -1346986973, now seen corresponding path program 1 times [2021-06-24 19:55:38,863 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 19:55:38,863 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167785509] [2021-06-24 19:55:38,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 19:55:38,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 19:55:38,937 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-24 19:55:38,938 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 19:55:38,938 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167785509] [2021-06-24 19:55:38,938 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167785509] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-24 19:55:38,938 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-24 19:55:38,938 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-24 19:55:38,938 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728677505] [2021-06-24 19:55:38,939 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-24 19:55:38,939 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 19:55:38,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-24 19:55:38,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2021-06-24 19:55:38,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 19:55:38,940 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 19:55:38,940 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 6 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-24 19:55:38,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:55:38,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:55:38,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 19:55:39,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:55:39,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:55:39,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-24 19:55:39,046 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-24 19:55:39,047 INFO L301 ceAbstractionStarter]: Result for error location DeviceThreadThread1of1ForFork1 was SAFE (3/3) [2021-06-24 19:55:39,049 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-24 19:55:39,051 INFO L202 PluginConnector]: Adding new model bluetooth02.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.06 07:55:39 BasicIcfg [2021-06-24 19:55:39,051 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-24 19:55:39,052 INFO L168 Benchmark]: Toolchain (without parser) took 2367.36 ms. Allocated memory is still 197.1 MB. Free memory was 177.9 MB in the beginning and 103.7 MB in the end (delta: 74.2 MB). Peak memory consumption was 74.7 MB. Max. memory is 8.0 GB. [2021-06-24 19:55:39,052 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.16 ms. Allocated memory is still 197.1 MB. Free memory is still 179.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-24 19:55:39,052 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.52 ms. Allocated memory is still 197.1 MB. Free memory was 177.7 MB in the beginning and 176.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-24 19:55:39,053 INFO L168 Benchmark]: Boogie Preprocessor took 13.35 ms. Allocated memory is still 197.1 MB. Free memory was 176.1 MB in the beginning and 175.1 MB in the end (delta: 943.6 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-24 19:55:39,053 INFO L168 Benchmark]: RCFGBuilder took 367.17 ms. Allocated memory is still 197.1 MB. Free memory was 175.1 MB in the beginning and 162.6 MB in the end (delta: 12.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-06-24 19:55:39,053 INFO L168 Benchmark]: TraceAbstraction took 1948.12 ms. Allocated memory is still 197.1 MB. Free memory was 162.2 MB in the beginning and 103.7 MB in the end (delta: 58.5 MB). Peak memory consumption was 60.1 MB. Max. memory is 8.0 GB. [2021-06-24 19:55:39,054 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.16 ms. Allocated memory is still 197.1 MB. Free memory is still 179.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 33.52 ms. Allocated memory is still 197.1 MB. Free memory was 177.7 MB in the beginning and 176.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 13.35 ms. Allocated memory is still 197.1 MB. Free memory was 176.1 MB in the beginning and 175.1 MB in the end (delta: 943.6 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 367.17 ms. Allocated memory is still 197.1 MB. Free memory was 175.1 MB in the beginning and 162.6 MB in the end (delta: 12.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1948.12 ms. Allocated memory is still 197.1 MB. Free memory was 162.2 MB in the beginning and 103.7 MB in the end (delta: 58.5 MB). Peak memory consumption was 60.1 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: 59, positive: 38, positive conditional: 38, positive unconditional: 0, negative: 21, negative conditional: 21, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 47, positive: 38, positive conditional: 38, positive unconditional: 0, negative: 9, negative conditional: 9, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 47, positive: 38, positive conditional: 0, positive unconditional: 38, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 30, positive: 25, positive conditional: 0, positive unconditional: 25, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 30, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 6, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 79, positive: 22, positive conditional: 0, positive unconditional: 22, negative: 56, negative conditional: 0, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 47, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 30, unknown conditional: 0, unknown unconditional: 30] , Statistics on independence cache: Total cache size (in pairs): 30, Positive cache size: 25, Positive conditional cache size: 0, Positive unconditional cache size: 25, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5 ], Maximal queried relation: 0, Independence queries for same thread: 12 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1214, positive: 1080, positive conditional: 1080, positive unconditional: 0, negative: 134, negative conditional: 134, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 1153, positive: 1080, positive conditional: 1080, positive unconditional: 0, negative: 73, negative conditional: 73, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 1153, positive: 1014, positive conditional: 0, positive unconditional: 1014, negative: 139, negative conditional: 0, negative unconditional: 139, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 86, positive: 76, positive conditional: 0, positive unconditional: 76, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 86, positive: 72, positive conditional: 0, positive unconditional: 72, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 14, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 38, positive: 13, positive conditional: 9, positive unconditional: 4, negative: 25, negative conditional: 15, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 166, positive: 102, positive conditional: 35, positive unconditional: 67, negative: 65, negative conditional: 37, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1153, positive: 938, positive conditional: 0, positive unconditional: 938, negative: 129, negative conditional: 0, negative unconditional: 129, unknown: 86, unknown conditional: 0, unknown unconditional: 86] , Statistics on independence cache: Total cache size (in pairs): 110, Positive cache size: 85, Positive conditional cache size: 9, Positive unconditional cache size: 76, Negative cache size: 25, Negative conditional cache size: 15, Negative unconditional cache size: 10, SemanticConditionEliminator.Independence Queries: [ total: 335, positive: 66, positive conditional: 66, positive unconditional: 0, negative: 269, negative conditional: 91, negative unconditional: 178, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 335, positive: 66, positive conditional: 66, positive unconditional: 0, negative: 269, negative conditional: 91, negative unconditional: 178, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 38, positive: 13, positive conditional: 9, positive unconditional: 4, negative: 25, negative conditional: 15, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 166, positive: 102, positive conditional: 35, positive unconditional: 67, negative: 65, negative conditional: 37, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 335, positive: 57, positive conditional: 57, positive unconditional: 0, negative: 254, negative conditional: 76, negative unconditional: 178, unknown: 24, unknown conditional: 24, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 110, Positive cache size: 85, Positive conditional cache size: 9, Positive unconditional cache size: 76, Negative cache size: 25, Negative conditional cache size: 15, Negative unconditional cache size: 10, Eliminated conditions: 178, SemanticConditionEliminator.Independence Queries: [ total: 335, positive: 66, positive conditional: 66, positive unconditional: 0, negative: 269, negative conditional: 91, negative unconditional: 178, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 335, positive: 66, positive conditional: 66, positive unconditional: 0, negative: 269, negative conditional: 91, negative unconditional: 178, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 38, positive: 13, positive conditional: 9, positive unconditional: 4, negative: 25, negative conditional: 15, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 166, positive: 102, positive conditional: 35, positive unconditional: 67, negative: 65, negative conditional: 37, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 335, positive: 57, positive conditional: 57, positive unconditional: 0, negative: 254, negative conditional: 76, negative unconditional: 178, unknown: 24, unknown conditional: 24, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 110, Positive cache size: 85, Positive conditional cache size: 9, Positive unconditional cache size: 76, Negative cache size: 25, Negative conditional cache size: 15, Negative unconditional cache size: 10, Eliminated conditions: 178, SemanticConditionEliminator.Independence Queries: [ total: 335, positive: 66, positive conditional: 66, positive unconditional: 0, negative: 269, negative conditional: 91, negative unconditional: 178, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 335, positive: 66, positive conditional: 66, positive unconditional: 0, negative: 269, negative conditional: 91, negative unconditional: 178, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 38, positive: 13, positive conditional: 9, positive unconditional: 4, negative: 25, negative conditional: 15, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 166, positive: 102, positive conditional: 35, positive unconditional: 67, negative: 65, negative conditional: 37, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 335, positive: 57, positive conditional: 57, positive unconditional: 0, negative: 254, negative conditional: 76, negative unconditional: 178, unknown: 24, unknown conditional: 24, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 110, Positive cache size: 85, Positive conditional cache size: 9, Positive unconditional cache size: 76, Negative cache size: 25, Negative conditional cache size: 15, Negative unconditional cache size: 10, Eliminated conditions: 178, SemanticConditionEliminator.Independence Queries: [ total: 335, positive: 66, positive conditional: 66, positive unconditional: 0, negative: 269, negative conditional: 91, negative unconditional: 178, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 335, positive: 66, positive conditional: 66, positive unconditional: 0, negative: 269, negative conditional: 91, negative unconditional: 178, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 38, positive: 13, positive conditional: 9, positive unconditional: 4, negative: 25, negative conditional: 15, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 166, positive: 102, positive conditional: 35, positive unconditional: 67, negative: 65, negative conditional: 37, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 335, positive: 57, positive conditional: 57, positive unconditional: 0, negative: 254, negative conditional: 76, negative unconditional: 178, unknown: 24, unknown conditional: 24, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 110, Positive cache size: 85, Positive conditional cache size: 9, Positive unconditional cache size: 76, Negative cache size: 25, Negative conditional cache size: 15, Negative unconditional cache size: 10, Eliminated conditions: 178 ], Maximal queried relation: 4, Independence queries for same thread: 61 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 877, positive: 754, positive conditional: 754, positive unconditional: 0, negative: 123, negative conditional: 123, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 801, positive: 754, positive conditional: 754, positive unconditional: 0, negative: 47, negative conditional: 47, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 801, positive: 703, positive conditional: 0, positive unconditional: 703, negative: 98, negative conditional: 0, negative unconditional: 98, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 85, positive: 75, positive conditional: 0, positive unconditional: 75, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 85, positive: 71, positive conditional: 0, positive unconditional: 71, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 14, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 30, positive: 12, positive conditional: 8, positive unconditional: 4, negative: 18, negative conditional: 8, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 120, positive: 67, positive conditional: 20, positive unconditional: 47, negative: 52, negative conditional: 27, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 801, positive: 628, positive conditional: 0, positive unconditional: 628, negative: 88, negative conditional: 0, negative unconditional: 88, unknown: 85, unknown conditional: 0, unknown unconditional: 85] , Statistics on independence cache: Total cache size (in pairs): 101, Positive cache size: 83, Positive conditional cache size: 8, Positive unconditional cache size: 75, Negative cache size: 18, Negative conditional cache size: 8, Negative unconditional cache size: 10, SemanticConditionEliminator.Independence Queries: [ total: 201, positive: 51, positive conditional: 51, positive unconditional: 0, negative: 150, negative conditional: 31, negative unconditional: 119, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 201, positive: 51, positive conditional: 51, positive unconditional: 0, negative: 150, negative conditional: 31, negative unconditional: 119, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 30, positive: 12, positive conditional: 8, positive unconditional: 4, negative: 18, negative conditional: 8, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 120, positive: 67, positive conditional: 20, positive unconditional: 47, negative: 52, negative conditional: 27, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 201, positive: 43, positive conditional: 43, positive unconditional: 0, negative: 142, negative conditional: 23, negative unconditional: 119, unknown: 16, unknown conditional: 16, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 101, Positive cache size: 83, Positive conditional cache size: 8, Positive unconditional cache size: 75, Negative cache size: 18, Negative conditional cache size: 8, Negative unconditional cache size: 10, Eliminated conditions: 119, SemanticConditionEliminator.Independence Queries: [ total: 201, positive: 51, positive conditional: 51, positive unconditional: 0, negative: 150, negative conditional: 31, negative unconditional: 119, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 201, positive: 51, positive conditional: 51, positive unconditional: 0, negative: 150, negative conditional: 31, negative unconditional: 119, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 30, positive: 12, positive conditional: 8, positive unconditional: 4, negative: 18, negative conditional: 8, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 120, positive: 67, positive conditional: 20, positive unconditional: 47, negative: 52, negative conditional: 27, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 201, positive: 43, positive conditional: 43, positive unconditional: 0, negative: 142, negative conditional: 23, negative unconditional: 119, unknown: 16, unknown conditional: 16, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 101, Positive cache size: 83, Positive conditional cache size: 8, Positive unconditional cache size: 75, Negative cache size: 18, Negative conditional cache size: 8, Negative unconditional cache size: 10, Eliminated conditions: 119, SemanticConditionEliminator.Independence Queries: [ total: 201, positive: 51, positive conditional: 51, positive unconditional: 0, negative: 150, negative conditional: 31, negative unconditional: 119, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 201, positive: 51, positive conditional: 51, positive unconditional: 0, negative: 150, negative conditional: 31, negative unconditional: 119, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 30, positive: 12, positive conditional: 8, positive unconditional: 4, negative: 18, negative conditional: 8, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 120, positive: 67, positive conditional: 20, positive unconditional: 47, negative: 52, negative conditional: 27, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 201, positive: 43, positive conditional: 43, positive unconditional: 0, negative: 142, negative conditional: 23, negative unconditional: 119, unknown: 16, unknown conditional: 16, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 101, Positive cache size: 83, Positive conditional cache size: 8, Positive unconditional cache size: 75, Negative cache size: 18, Negative conditional cache size: 8, Negative unconditional cache size: 10, Eliminated conditions: 119 ], Maximal queried relation: 3, Independence queries for same thread: 76 - PositiveResult [Line: 33]: 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 6 procedures, 39 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 158.4ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 10.0ms, PartialOrderReductionTime: 113.9ms, 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: DeviceThreadThread1of1ForFork2 with 1 thread instances CFG has 6 procedures, 39 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1292.7ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.6ms, PartialOrderReductionTime: 406.3ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 17.4ms SsaConstructionTime, 68.0ms SatisfiabilityAnalysisTime, 417.6ms InterpolantComputationTime, 100 NumberOfCodeBlocks, 100 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 95 ConstructedInterpolants, 0 QuantifiedInterpolants, 403 SizeOfPredicates, 1 NumberOfNonLiveVariables, 60 ConjunctsInSsa, 34 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 27/40 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: DeviceThreadThread1of1ForFork1 with 1 thread instances CFG has 6 procedures, 39 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 342.7ms, OverallIterations: 3, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.0ms, PartialOrderReductionTime: 199.4ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 12, 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: 2.5ms SsaConstructionTime, 15.8ms SatisfiabilityAnalysisTime, 94.4ms InterpolantComputationTime, 48 NumberOfCodeBlocks, 48 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 45 ConstructedInterpolants, 0 QuantifiedInterpolants, 161 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 12/12 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...