/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth02.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d310483fe8b4879eee5de19363f50e4b839cc4ec-d310483 [2021-06-24 19:01:00,640 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-24 19:01:00,642 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-24 19:01:00,668 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-24 19:01:00,736 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe-Lockstep.epf [2021-06-24 19:01:00,805 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-24 19:01:00,805 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-24 19:01:00,806 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-24 19:01:00,806 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-24 19:01:00,809 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-24 19:01:00,809 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-24 19:01:00,809 INFO L138 SettingsManager]: * Use SBE=true [2021-06-24 19:01:00,809 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-24 19:01:00,809 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-24 19:01:00,810 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-24 19:01:00,810 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-24 19:01:00,811 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-24 19:01:00,811 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-24 19:01:00,811 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-24 19:01:00,811 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-24 19:01:00,811 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-24 19:01:00,811 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-24 19:01:00,811 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-24 19:01:00,811 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-24 19:01:00,811 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-24 19:01:00,812 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-24 19:01:00,812 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-24 19:01:00,812 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-24 19:01:00,812 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-24 19:01:00,812 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-24 19:01:00,812 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-24 19:01:00,813 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-24 19:01:00,813 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-24 19:01:00,813 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-06-24 19:01:00,813 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-24 19:01:00,813 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-24 19:01:00,813 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-24 19:01:00,813 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-24 19:01:00,814 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-24 19:01:00,814 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-24 19:01:01,177 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-24 19:01:01,196 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-24 19:01:01,199 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-24 19:01:01,200 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-24 19:01:01,201 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-24 19:01:01,202 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth02.bpl [2021-06-24 19:01:01,202 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth02.bpl' [2021-06-24 19:01:01,226 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-24 19:01:01,228 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-24 19:01:01,228 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-24 19:01:01,228 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-24 19:01:01,229 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-24 19:01:01,238 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 07:01:01" (1/1) ... [2021-06-24 19:01:01,244 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 07:01:01" (1/1) ... [2021-06-24 19:01:01,259 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-24 19:01:01,261 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-24 19:01:01,261 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-24 19:01:01,261 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-24 19:01:01,269 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.06 07:01:01" (1/1) ... [2021-06-24 19:01:01,269 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.06 07:01:01" (1/1) ... [2021-06-24 19:01:01,270 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.06 07:01:01" (1/1) ... [2021-06-24 19:01:01,271 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.06 07:01:01" (1/1) ... [2021-06-24 19:01:01,273 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.06 07:01:01" (1/1) ... [2021-06-24 19:01:01,277 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.06 07:01:01" (1/1) ... [2021-06-24 19:01:01,278 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.06 07:01:01" (1/1) ... [2021-06-24 19:01:01,280 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-24 19:01:01,282 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-24 19:01:01,282 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-24 19:01:01,282 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-24 19:01:01,283 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.06 07:01:01" (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 19:01:01,358 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration [2021-06-24 19:01:01,358 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThread [2021-06-24 19:01:01,358 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThread [2021-06-24 19:01:01,358 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration [2021-06-24 19:01:01,358 INFO L130 BoogieDeclarations]: Found specification of procedure ServerThread [2021-06-24 19:01:01,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ServerThread [2021-06-24 19:01:01,359 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-24 19:01:01,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-24 19:01:01,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-24 19:01:01,360 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 19:01:01,556 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-24 19:01:01,556 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-06-24 19:01:01,557 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadEXIT is neither atomic block end nor error location. [2021-06-24 19:01:01,558 INFO L202 PluginConnector]: Adding new model bluetooth02.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.06 07:01:01 BoogieIcfgContainer [2021-06-24 19:01:01,559 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-24 19:01:01,560 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-24 19:01:01,560 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-24 19:01:01,562 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-24 19:01:01,563 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.06 07:01:01" (1/2) ... [2021-06-24 19:01:01,563 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d8d158c and model type bluetooth02.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.06 07:01:01, skipping insertion in model container [2021-06-24 19:01:01,563 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth02.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.06 07:01:01" (2/2) ... [2021-06-24 19:01:01,573 INFO L111 eAbstractionObserver]: Analyzing ICFG bluetooth02.bpl [2021-06-24 19:01:01,578 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-24 19:01:01,578 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-24 19:01:01,578 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-24 19:01:01,579 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-24 19:01:01,603 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-24 19:01:01,628 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 19:01:01,691 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-24 19:01:01,691 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-24 19:01:01,691 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-24 19:01:01,692 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-24 19:01:01,692 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-24 19:01:01,692 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-24 19:01:01,692 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-24 19:01:01,692 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-24 19:01:01,878 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (1/3) [2021-06-24 19:01:01,880 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 19:01:01,895 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-24 19:01:01,896 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-24 19:01:01,896 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-24 19:01:01,896 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-24 19:01:01,896 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-24 19:01:01,896 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-24 19:01:01,896 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-24 19:01:01,896 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == DeviceThreadThread1of1ForFork2======== Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-24 19:01:01,932 INFO L430 AbstractCegarLoop]: === Iteration 1 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 19:01:01,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 19:01:01,958 INFO L82 PathProgramCache]: Analyzing trace with hash -1726140445, now seen corresponding path program 1 times [2021-06-24 19:01:01,966 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 19:01:01,967 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9573038] [2021-06-24 19:01:01,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 19:01:02,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 19:01:02,083 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 19:01:02,084 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 19:01:02,084 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9573038] [2021-06-24 19:01:02,084 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9573038] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-24 19:01:02,084 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-24 19:01:02,085 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-24 19:01:02,085 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659221697] [2021-06-24 19:01:02,088 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-24 19:01:02,089 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 19:01:02,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-24 19:01:02,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-24 19:01:02,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 19:01:02,102 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 19:01:02,102 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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 19:01:02,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 19:01:02,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:01:02,163 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-24 19:01:02,163 INFO L430 AbstractCegarLoop]: === Iteration 2 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 19:01:02,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 19:01:02,170 INFO L82 PathProgramCache]: Analyzing trace with hash -1831650690, now seen corresponding path program 1 times [2021-06-24 19:01:02,171 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 19:01:02,171 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99227629] [2021-06-24 19:01:02,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 19:01:02,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 19:01:02,186 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 19:01:02,186 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 19:01:02,187 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99227629] [2021-06-24 19:01:02,187 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99227629] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-24 19:01:02,187 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-24 19:01:02,187 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-24 19:01:02,187 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118088639] [2021-06-24 19:01:02,188 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-24 19:01:02,188 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 19:01:02,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-24 19:01:02,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-24 19:01:02,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 19:01:02,189 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 19:01:02,190 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 19:01:02,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:01:02,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 19:01:02,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:01:02,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:01:02,222 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-24 19:01:02,222 INFO L430 AbstractCegarLoop]: === Iteration 3 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 19:01:02,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 19:01:02,222 INFO L82 PathProgramCache]: Analyzing trace with hash 441932078, now seen corresponding path program 1 times [2021-06-24 19:01:02,223 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 19:01:02,223 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543988877] [2021-06-24 19:01:02,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 19:01:02,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 19:01:02,275 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 19:01:02,275 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 19:01:02,275 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543988877] [2021-06-24 19:01:02,276 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543988877] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-24 19:01:02,276 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-24 19:01:02,276 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-24 19:01:02,276 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632288692] [2021-06-24 19:01:02,276 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-24 19:01:02,276 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 19:01:02,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-24 19:01:02,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-06-24 19:01:02,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 19:01:02,278 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 19:01:02,278 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 19:01:02,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:01:02,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:01:02,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 19:01:02,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:01:02,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:01:02,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-24 19:01:02,364 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-24 19:01:02,364 INFO L430 AbstractCegarLoop]: === Iteration 4 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 19:01:02,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 19:01:02,364 INFO L82 PathProgramCache]: Analyzing trace with hash 63154567, now seen corresponding path program 1 times [2021-06-24 19:01:02,365 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 19:01:02,365 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348343264] [2021-06-24 19:01:02,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 19:01:02,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 19:01:02,421 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-24 19:01:02,421 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 19:01:02,421 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348343264] [2021-06-24 19:01:02,422 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348343264] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-24 19:01:02,422 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1224230179] [2021-06-24 19:01:02,422 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 19:01:02,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 19:01:02,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 14 conjunts are in the unsatisfiable core [2021-06-24 19:01:02,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-24 19:01:02,603 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-24 19:01:02,604 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1224230179] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-24 19:01:02,604 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-24 19:01:02,604 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-06-24 19:01:02,604 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060901195] [2021-06-24 19:01:02,605 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-24 19:01:02,605 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 19:01:02,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-24 19:01:02,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2021-06-24 19:01:02,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 19:01:02,606 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 19:01:02,606 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 2.909090909090909) internal successors, (32), 10 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-24 19:01:02,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:01:02,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:01:02,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-24 19:01:02,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 19:01:02,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:01:02,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:01:02,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-24 19:01:02,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-24 19:01:02,984 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-24 19:01:02,987 INFO L301 ceAbstractionStarter]: Result for error location DeviceThreadThread1of1ForFork2 was SAFE (2/3) [2021-06-24 19:01:02,987 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) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-24 19:01:02,994 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-24 19:01:02,994 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-24 19:01:02,994 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-24 19:01:02,994 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-24 19:01:02,994 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-24 19:01:02,994 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-24 19:01:02,994 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-24 19:01:02,994 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == DeviceThreadThread1of1ForFork1======== [2021-06-24 19:01:03,022 INFO L430 AbstractCegarLoop]: === Iteration 1 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 19:01:03,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 19:01:03,023 INFO L82 PathProgramCache]: Analyzing trace with hash 217782893, now seen corresponding path program 1 times [2021-06-24 19:01:03,023 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 19:01:03,023 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654851913] [2021-06-24 19:01:03,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 19:01:03,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 19:01:03,034 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 19:01:03,035 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 19:01:03,035 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654851913] [2021-06-24 19:01:03,035 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654851913] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-24 19:01:03,035 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-24 19:01:03,035 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-24 19:01:03,035 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483519646] [2021-06-24 19:01:03,035 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-24 19:01:03,036 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 19:01:03,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-24 19:01:03,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-24 19:01:03,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 19:01:03,036 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 19:01:03,037 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) [2021-06-24 19:01:03,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 19:01:03,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:01:03,074 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-24 19:01:03,074 INFO L430 AbstractCegarLoop]: === Iteration 2 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 19:01:03,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 19:01:03,075 INFO L82 PathProgramCache]: Analyzing trace with hash 1808147887, now seen corresponding path program 1 times [2021-06-24 19:01:03,075 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 19:01:03,075 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135509622] [2021-06-24 19:01:03,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 19:01:03,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 19:01:03,117 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 19:01:03,118 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 19:01:03,120 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135509622] [2021-06-24 19:01:03,120 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135509622] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-24 19:01:03,121 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-24 19:01:03,121 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-24 19:01:03,121 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70716039] [2021-06-24 19:01:03,121 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-24 19:01:03,121 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 19:01:03,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-24 19:01:03,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-24 19:01:03,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 19:01:03,122 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 19:01:03,122 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 19:01:03,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:01:03,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 19:01:03,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:01:03,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:01:03,156 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-24 19:01:03,156 INFO L430 AbstractCegarLoop]: === Iteration 3 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 19:01:03,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 19:01:03,157 INFO L82 PathProgramCache]: Analyzing trace with hash -1040499439, now seen corresponding path program 1 times [2021-06-24 19:01:03,157 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 19:01:03,157 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731619229] [2021-06-24 19:01:03,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 19:01:03,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 19:01:03,194 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 19:01:03,194 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 19:01:03,194 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731619229] [2021-06-24 19:01:03,195 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731619229] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-24 19:01:03,195 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-24 19:01:03,195 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-24 19:01:03,195 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16398474] [2021-06-24 19:01:03,195 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-24 19:01:03,195 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 19:01:03,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-24 19:01:03,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-06-24 19:01:03,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 19:01:03,196 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 19:01:03,196 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 19:01:03,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:01:03,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:01:03,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 19:01:03,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:01:03,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:01:03,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-24 19:01:03,280 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-24 19:01:03,280 INFO L430 AbstractCegarLoop]: === Iteration 4 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 19:01:03,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 19:01:03,280 INFO L82 PathProgramCache]: Analyzing trace with hash -656787918, now seen corresponding path program 1 times [2021-06-24 19:01:03,280 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 19:01:03,281 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995718448] [2021-06-24 19:01:03,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 19:01:03,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 19:01:03,334 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-24 19:01:03,334 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 19:01:03,334 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995718448] [2021-06-24 19:01:03,334 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995718448] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-24 19:01:03,335 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-24 19:01:03,335 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-24 19:01:03,335 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471241482] [2021-06-24 19:01:03,335 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-24 19:01:03,335 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 19:01:03,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-24 19:01:03,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2021-06-24 19:01:03,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 19:01:03,336 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 19:01:03,336 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 3.0) internal successors, (21), 6 states have internal predecessors, (21), 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 19:01:03,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:01:03,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:01:03,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-24 19:01:03,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 19:01:03,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:01:03,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:01:03,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-24 19:01:03,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-24 19:01:03,409 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-24 19:01:03,410 INFO L301 ceAbstractionStarter]: Result for error location DeviceThreadThread1of1ForFork1 was SAFE (3/3) [2021-06-24 19:01:03,411 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-24 19:01:03,413 INFO L202 PluginConnector]: Adding new model bluetooth02.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.06 07:01:03 BasicIcfg [2021-06-24 19:01:03,413 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-24 19:01:03,414 INFO L168 Benchmark]: Toolchain (without parser) took 2185.90 ms. Allocated memory is still 190.8 MB. Free memory was 170.7 MB in the beginning and 121.7 MB in the end (delta: 48.9 MB). Peak memory consumption was 48.9 MB. Max. memory is 8.0 GB. [2021-06-24 19:01:03,414 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.15 ms. Allocated memory is still 190.8 MB. Free memory is still 171.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-24 19:01:03,414 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.25 ms. Allocated memory is still 190.8 MB. Free memory was 170.6 MB in the beginning and 168.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-24 19:01:03,414 INFO L168 Benchmark]: Boogie Preprocessor took 19.40 ms. Allocated memory is still 190.8 MB. Free memory was 168.8 MB in the beginning and 167.9 MB in the end (delta: 852.5 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-24 19:01:03,415 INFO L168 Benchmark]: RCFGBuilder took 277.07 ms. Allocated memory is still 190.8 MB. Free memory was 167.8 MB in the beginning and 155.1 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-06-24 19:01:03,415 INFO L168 Benchmark]: TraceAbstraction took 1852.89 ms. Allocated memory is still 190.8 MB. Free memory was 154.6 MB in the beginning and 121.7 MB in the end (delta: 32.9 MB). Peak memory consumption was 33.2 MB. Max. memory is 8.0 GB. [2021-06-24 19:01:03,416 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 0.15 ms. Allocated memory is still 190.8 MB. Free memory is still 171.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 31.25 ms. Allocated memory is still 190.8 MB. Free memory was 170.6 MB in the beginning and 168.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 19.40 ms. Allocated memory is still 190.8 MB. Free memory was 168.8 MB in the beginning and 167.9 MB in the end (delta: 852.5 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 277.07 ms. Allocated memory is still 190.8 MB. Free memory was 167.8 MB in the beginning and 155.1 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1852.89 ms. Allocated memory is still 190.8 MB. Free memory was 154.6 MB in the beginning and 121.7 MB in the end (delta: 32.9 MB). Peak memory consumption was 33.2 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: 42, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 16, negative conditional: 16, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 30, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 4, negative conditional: 4, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 30, positive: 26, positive conditional: 0, positive unconditional: 26, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 30, positive: 26, positive conditional: 0, positive unconditional: 26, negative: 4, negative conditional: 0, negative unconditional: 4, 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: 2, positive conditional: 0, positive unconditional: 2, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 6, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 108, positive: 28, positive conditional: 0, positive unconditional: 28, negative: 80, negative conditional: 0, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 30, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 30, unknown conditional: 0, unknown unconditional: 30] , Statistics on independence cache: Total cache size (in pairs): 30, Positive cache size: 26, Positive conditional cache size: 0, Positive unconditional cache size: 26, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4 ], Maximal queried relation: 0, Independence queries for same thread: 12 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1182, positive: 1047, positive conditional: 1047, positive unconditional: 0, negative: 135, negative conditional: 135, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 1084, positive: 1047, positive conditional: 1047, positive unconditional: 0, negative: 37, negative conditional: 37, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 1084, positive: 971, positive conditional: 0, positive unconditional: 971, negative: 113, negative conditional: 0, negative unconditional: 113, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 116, positive: 105, positive conditional: 0, positive unconditional: 105, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 116, positive: 93, positive conditional: 0, positive unconditional: 93, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 23, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 45, positive: 22, positive conditional: 10, positive unconditional: 12, negative: 23, negative conditional: 12, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 165, positive: 78, positive conditional: 42, positive unconditional: 36, negative: 88, negative conditional: 16, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1084, positive: 866, positive conditional: 0, positive unconditional: 866, negative: 102, negative conditional: 0, negative unconditional: 102, unknown: 116, unknown conditional: 0, unknown unconditional: 116] , Statistics on independence cache: Total cache size (in pairs): 138, Positive cache size: 115, Positive conditional cache size: 10, Positive unconditional cache size: 105, Negative cache size: 23, Negative conditional cache size: 12, Negative unconditional cache size: 11, SemanticConditionEliminator.Independence Queries: [ total: 223, positive: 76, positive conditional: 76, positive unconditional: 0, negative: 147, negative conditional: 54, negative unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 223, positive: 76, positive conditional: 76, positive unconditional: 0, negative: 147, negative conditional: 54, negative unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 45, positive: 22, positive conditional: 10, positive unconditional: 12, negative: 23, negative conditional: 12, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 165, positive: 78, positive conditional: 42, positive unconditional: 36, negative: 88, negative conditional: 16, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 223, positive: 66, positive conditional: 66, positive unconditional: 0, negative: 135, negative conditional: 42, negative unconditional: 93, unknown: 22, unknown conditional: 22, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 138, Positive cache size: 115, Positive conditional cache size: 10, Positive unconditional cache size: 105, Negative cache size: 23, Negative conditional cache size: 12, Negative unconditional cache size: 11, Eliminated conditions: 93, SemanticConditionEliminator.Independence Queries: [ total: 223, positive: 76, positive conditional: 76, positive unconditional: 0, negative: 147, negative conditional: 54, negative unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 223, positive: 76, positive conditional: 76, positive unconditional: 0, negative: 147, negative conditional: 54, negative unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 45, positive: 22, positive conditional: 10, positive unconditional: 12, negative: 23, negative conditional: 12, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 165, positive: 78, positive conditional: 42, positive unconditional: 36, negative: 88, negative conditional: 16, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 223, positive: 66, positive conditional: 66, positive unconditional: 0, negative: 135, negative conditional: 42, negative unconditional: 93, unknown: 22, unknown conditional: 22, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 138, Positive cache size: 115, Positive conditional cache size: 10, Positive unconditional cache size: 105, Negative cache size: 23, Negative conditional cache size: 12, Negative unconditional cache size: 11, Eliminated conditions: 93, SemanticConditionEliminator.Independence Queries: [ total: 223, positive: 76, positive conditional: 76, positive unconditional: 0, negative: 147, negative conditional: 54, negative unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 223, positive: 76, positive conditional: 76, positive unconditional: 0, negative: 147, negative conditional: 54, negative unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 45, positive: 22, positive conditional: 10, positive unconditional: 12, negative: 23, negative conditional: 12, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 165, positive: 78, positive conditional: 42, positive unconditional: 36, negative: 88, negative conditional: 16, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 223, positive: 66, positive conditional: 66, positive unconditional: 0, negative: 135, negative conditional: 42, negative unconditional: 93, unknown: 22, unknown conditional: 22, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 138, Positive cache size: 115, Positive conditional cache size: 10, Positive unconditional cache size: 105, Negative cache size: 23, Negative conditional cache size: 12, Negative unconditional cache size: 11, Eliminated conditions: 93, SemanticConditionEliminator.Independence Queries: [ total: 223, positive: 76, positive conditional: 76, positive unconditional: 0, negative: 147, negative conditional: 54, negative unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 223, positive: 76, positive conditional: 76, positive unconditional: 0, negative: 147, negative conditional: 54, negative unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 45, positive: 22, positive conditional: 10, positive unconditional: 12, negative: 23, negative conditional: 12, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 165, positive: 78, positive conditional: 42, positive unconditional: 36, negative: 88, negative conditional: 16, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 223, positive: 66, positive conditional: 66, positive unconditional: 0, negative: 135, negative conditional: 42, negative unconditional: 93, unknown: 22, unknown conditional: 22, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 138, Positive cache size: 115, Positive conditional cache size: 10, Positive unconditional cache size: 105, Negative cache size: 23, Negative conditional cache size: 12, Negative unconditional cache size: 11, Eliminated conditions: 93 ], Maximal queried relation: 4, Independence queries for same thread: 98 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1416, positive: 1259, positive conditional: 1259, positive unconditional: 0, negative: 157, negative conditional: 157, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 1307, positive: 1259, positive conditional: 1259, positive unconditional: 0, negative: 48, negative conditional: 48, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 1307, positive: 1170, positive conditional: 0, positive unconditional: 1170, negative: 137, negative conditional: 0, negative unconditional: 137, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 124, positive: 112, positive conditional: 0, positive unconditional: 112, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 124, positive: 99, positive conditional: 0, positive unconditional: 99, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 25, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 47, positive: 23, positive conditional: 10, positive unconditional: 13, negative: 24, negative conditional: 12, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 98, positive: 43, positive conditional: 14, positive unconditional: 29, negative: 55, negative conditional: 14, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1307, positive: 1058, positive conditional: 0, positive unconditional: 1058, negative: 125, negative conditional: 0, negative unconditional: 125, unknown: 124, unknown conditional: 0, unknown unconditional: 124] , Statistics on independence cache: Total cache size (in pairs): 146, Positive cache size: 122, Positive conditional cache size: 10, Positive unconditional cache size: 112, Negative cache size: 24, Negative conditional cache size: 12, Negative unconditional cache size: 12, SemanticConditionEliminator.Independence Queries: [ total: 267, positive: 89, positive conditional: 89, positive unconditional: 0, negative: 178, negative conditional: 63, negative unconditional: 115, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 267, positive: 89, positive conditional: 89, positive unconditional: 0, negative: 178, negative conditional: 63, negative unconditional: 115, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 47, positive: 23, positive conditional: 10, positive unconditional: 13, negative: 24, negative conditional: 12, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 98, positive: 43, positive conditional: 14, positive unconditional: 29, negative: 55, negative conditional: 14, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 267, positive: 79, positive conditional: 79, positive unconditional: 0, negative: 166, negative conditional: 51, negative unconditional: 115, unknown: 22, unknown conditional: 22, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 146, Positive cache size: 122, Positive conditional cache size: 10, Positive unconditional cache size: 112, Negative cache size: 24, Negative conditional cache size: 12, Negative unconditional cache size: 12, Eliminated conditions: 115, SemanticConditionEliminator.Independence Queries: [ total: 267, positive: 89, positive conditional: 89, positive unconditional: 0, negative: 178, negative conditional: 63, negative unconditional: 115, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 267, positive: 89, positive conditional: 89, positive unconditional: 0, negative: 178, negative conditional: 63, negative unconditional: 115, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 47, positive: 23, positive conditional: 10, positive unconditional: 13, negative: 24, negative conditional: 12, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 98, positive: 43, positive conditional: 14, positive unconditional: 29, negative: 55, negative conditional: 14, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 267, positive: 79, positive conditional: 79, positive unconditional: 0, negative: 166, negative conditional: 51, negative unconditional: 115, unknown: 22, unknown conditional: 22, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 146, Positive cache size: 122, Positive conditional cache size: 10, Positive unconditional cache size: 112, Negative cache size: 24, Negative conditional cache size: 12, Negative unconditional cache size: 12, Eliminated conditions: 115, SemanticConditionEliminator.Independence Queries: [ total: 267, positive: 89, positive conditional: 89, positive unconditional: 0, negative: 178, negative conditional: 63, negative unconditional: 115, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 267, positive: 89, positive conditional: 89, positive unconditional: 0, negative: 178, negative conditional: 63, negative unconditional: 115, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 47, positive: 23, positive conditional: 10, positive unconditional: 13, negative: 24, negative conditional: 12, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 98, positive: 43, positive conditional: 14, positive unconditional: 29, negative: 55, negative conditional: 14, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 267, positive: 79, positive conditional: 79, positive unconditional: 0, negative: 166, negative conditional: 51, negative unconditional: 115, unknown: 22, unknown conditional: 22, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 146, Positive cache size: 122, Positive conditional cache size: 10, Positive unconditional cache size: 112, Negative cache size: 24, Negative conditional cache size: 12, Negative unconditional cache size: 12, Eliminated conditions: 115, SemanticConditionEliminator.Independence Queries: [ total: 267, positive: 89, positive conditional: 89, positive unconditional: 0, negative: 178, negative conditional: 63, negative unconditional: 115, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 267, positive: 89, positive conditional: 89, positive unconditional: 0, negative: 178, negative conditional: 63, negative unconditional: 115, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 47, positive: 23, positive conditional: 10, positive unconditional: 13, negative: 24, negative conditional: 12, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 98, positive: 43, positive conditional: 14, positive unconditional: 29, negative: 55, negative conditional: 14, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 267, positive: 79, positive conditional: 79, positive unconditional: 0, negative: 166, negative conditional: 51, negative unconditional: 115, unknown: 22, unknown conditional: 22, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 146, Positive cache size: 122, Positive conditional cache size: 10, Positive unconditional cache size: 112, Negative cache size: 24, Negative conditional cache size: 12, Negative unconditional cache size: 12, Eliminated conditions: 115 ], Maximal queried relation: 4, Independence queries for same thread: 109 - 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: 235.5ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 18.8ms, PartialOrderReductionTime: 158.8ms, 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: 1105.1ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.4ms, PartialOrderReductionTime: 373.3ms, 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: 14.7ms SsaConstructionTime, 40.0ms SatisfiabilityAnalysisTime, 276.8ms InterpolantComputationTime, 73 NumberOfCodeBlocks, 73 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 68 ConstructedInterpolants, 0 QuantifiedInterpolants, 248 SizeOfPredicates, 1 NumberOfNonLiveVariables, 32 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 0/2 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: 421.2ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.9ms, PartialOrderReductionTime: 252.0ms, 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: 2.1ms SsaConstructionTime, 38.9ms SatisfiabilityAnalysisTime, 94.7ms InterpolantComputationTime, 53 NumberOfCodeBlocks, 53 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 49 ConstructedInterpolants, 0 QuantifiedInterpolants, 172 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 3/3 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...