/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-Random521.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-customized04.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-1c3aa5735269c4be989a50fc1da9ea7b9492ef29-1c3aa57 [2021-07-01 11:39:52,147 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-01 11:39:52,149 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-01 11:39:52,184 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-01 11:39:52,240 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-Random521.epf [2021-07-01 11:39:52,270 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-01 11:39:52,270 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-01 11:39:52,270 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-01 11:39:52,271 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-01 11:39:52,273 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-01 11:39:52,273 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-01 11:39:52,273 INFO L138 SettingsManager]: * Use SBE=true [2021-07-01 11:39:52,273 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-01 11:39:52,273 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-01 11:39:52,273 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-01 11:39:52,274 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-01 11:39:52,274 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-01 11:39:52,274 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-01 11:39:52,274 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-01 11:39:52,274 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-01 11:39:52,275 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-01 11:39:52,275 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-01 11:39:52,275 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-01 11:39:52,275 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-01 11:39:52,275 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-01 11:39:52,275 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-01 11:39:52,275 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-01 11:39:52,275 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-01 11:39:52,275 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-01 11:39:52,275 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-01 11:39:52,276 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-01 11:39:52,276 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-01 11:39:52,276 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-01 11:39:52,276 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-07-01 11:39:52,276 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-01 11:39:52,276 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-01 11:39:52,276 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-01 11:39:52,276 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-01 11:39:52,277 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-07-01 11:39:52,277 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-01 11:39:52,277 INFO L138 SettingsManager]: * Random seed used by POR DFS order=521 WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-01 11:39:52,576 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-01 11:39:52,602 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-01 11:39:52,604 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-01 11:39:52,605 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-01 11:39:52,606 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-01 11:39:52,606 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-customized04.bpl [2021-07-01 11:39:52,607 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-customized04.bpl' [2021-07-01 11:39:52,627 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-01 11:39:52,628 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-01 11:39:52,629 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-01 11:39:52,629 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-01 11:39:52,629 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-01 11:39:52,639 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth-customized04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:39:52" (1/1) ... [2021-07-01 11:39:52,645 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth-customized04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:39:52" (1/1) ... [2021-07-01 11:39:52,660 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-01 11:39:52,661 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-01 11:39:52,662 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-01 11:39:52,662 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-01 11:39:52,667 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth-customized04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:39:52" (1/1) ... [2021-07-01 11:39:52,668 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth-customized04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:39:52" (1/1) ... [2021-07-01 11:39:52,669 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth-customized04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:39:52" (1/1) ... [2021-07-01 11:39:52,669 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth-customized04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:39:52" (1/1) ... [2021-07-01 11:39:52,670 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth-customized04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:39:52" (1/1) ... [2021-07-01 11:39:52,672 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth-customized04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:39:52" (1/1) ... [2021-07-01 11:39:52,673 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth-customized04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:39:52" (1/1) ... [2021-07-01 11:39:52,674 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-01 11:39:52,674 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-01 11:39:52,674 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-01 11:39:52,675 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-01 11:39:52,675 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-customized04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:39:52" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-01 11:39:52,747 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThreadWithAssert given in one single declaration [2021-07-01 11:39:52,747 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThreadWithAssert [2021-07-01 11:39:52,747 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThreadWithAssert [2021-07-01 11:39:52,748 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration [2021-07-01 11:39:52,748 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThread [2021-07-01 11:39:52,748 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThread [2021-07-01 11:39:52,748 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration [2021-07-01 11:39:52,748 INFO L130 BoogieDeclarations]: Found specification of procedure ServerThread [2021-07-01 11:39:52,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ServerThread [2021-07-01 11:39:52,748 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-01 11:39:52,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-01 11:39:52,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-01 11:39:52,749 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-01 11:39:53,031 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-01 11:39:53,032 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-07-01 11:39:53,032 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadWithAssertEXIT is neither atomic block end nor error location. [2021-07-01 11:39:53,033 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadEXIT is neither atomic block end nor error location. [2021-07-01 11:39:53,034 INFO L202 PluginConnector]: Adding new model bluetooth-customized04.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 11:39:53 BoogieIcfgContainer [2021-07-01 11:39:53,034 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-01 11:39:53,036 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-01 11:39:53,036 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-01 11:39:53,038 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-01 11:39:53,038 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-customized04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:39:52" (1/2) ... [2021-07-01 11:39:53,039 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@379fa0de and model type bluetooth-customized04.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 11:39:53, skipping insertion in model container [2021-07-01 11:39:53,039 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-customized04.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 11:39:53" (2/2) ... [2021-07-01 11:39:53,041 INFO L111 eAbstractionObserver]: Analyzing ICFG bluetooth-customized04.bpl [2021-07-01 11:39:53,045 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-01 11:39:53,046 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-01 11:39:53,046 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-01 11:39:53,047 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-01 11:39:53,076 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-01 11:39:53,095 INFO L255 AbstractCegarLoop]: Starting to check reachability of 5 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-01 11:39:53,159 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-01 11:39:53,160 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-01 11:39:53,160 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-01 11:39:53,160 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-01 11:39:53,160 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-01 11:39:53,160 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-01 11:39:53,160 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-01 11:39:53,160 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-01 11:39:53,655 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (1/2) [2021-07-01 11:39:53,656 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-01 11:39:53,683 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-01 11:39:53,683 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-01 11:39:53,683 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-01 11:39:53,683 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-01 11:39:53,684 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-01 11:39:53,684 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-01 11:39:53,684 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-01 11:39:53,684 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == DeviceThreadWithAssertThread1of1ForFork1======== [2021-07-01 11:39:53,703 INFO L430 AbstractCegarLoop]: === Iteration 1 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:39:53,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:39:53,707 INFO L82 PathProgramCache]: Analyzing trace with hash -881879959, now seen corresponding path program 1 times [2021-07-01 11:39:53,713 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:39:53,714 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336176587] [2021-07-01 11:39:53,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:39:53,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:39:53,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-01 11:39:53,802 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:39:53,802 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336176587] [2021-07-01 11:39:53,803 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336176587] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 11:39:53,803 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 11:39:53,803 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-01 11:39:53,803 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328266281] [2021-07-01 11:39:53,807 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-01 11:39:53,807 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:39:53,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-01 11:39:53,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-07-01 11:39:53,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:39:53,819 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:39:53,819 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-01 11:39:53,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:39:53,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-01 11:39:53,947 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-01 11:39:53,947 INFO L430 AbstractCegarLoop]: === Iteration 2 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:39:53,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:39:53,948 INFO L82 PathProgramCache]: Analyzing trace with hash -1840917743, now seen corresponding path program 1 times [2021-07-01 11:39:53,948 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:39:53,948 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436987787] [2021-07-01 11:39:53,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:39:53,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:39:53,982 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-01 11:39:53,983 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:39:53,983 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436987787] [2021-07-01 11:39:53,983 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436987787] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 11:39:53,983 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 11:39:53,983 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-01 11:39:53,983 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212682362] [2021-07-01 11:39:53,984 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-01 11:39:53,984 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:39:53,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-01 11:39:53,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-01 11:39:53,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:39:53,985 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:39:53,985 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-01 11:39:53,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-01 11:39:53,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:39:54,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-01 11:39:54,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:39:54,068 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-01 11:39:54,068 INFO L430 AbstractCegarLoop]: === Iteration 3 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:39:54,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:39:54,075 INFO L82 PathProgramCache]: Analyzing trace with hash -1661534388, now seen corresponding path program 1 times [2021-07-01 11:39:54,075 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:39:54,076 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531562839] [2021-07-01 11:39:54,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:39:54,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:39:54,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-01 11:39:54,154 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:39:54,155 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531562839] [2021-07-01 11:39:54,155 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531562839] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 11:39:54,155 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 11:39:54,155 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-01 11:39:54,155 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760094465] [2021-07-01 11:39:54,156 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-01 11:39:54,156 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:39:54,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-01 11:39:54,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2021-07-01 11:39:54,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:39:54,157 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:39:54,158 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) [2021-07-01 11:39:54,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-01 11:39:54,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:39:54,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:39:54,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-01 11:39:54,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:39:54,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-01 11:39:54,461 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-01 11:39:54,461 INFO L430 AbstractCegarLoop]: === Iteration 4 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:39:54,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:39:54,461 INFO L82 PathProgramCache]: Analyzing trace with hash 2031445195, now seen corresponding path program 1 times [2021-07-01 11:39:54,461 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:39:54,462 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003238840] [2021-07-01 11:39:54,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:39:54,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:39:54,526 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-01 11:39:54,526 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:39:54,526 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003238840] [2021-07-01 11:39:54,526 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003238840] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:39:54,526 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [64359305] [2021-07-01 11:39:54,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 11:39:54,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:39:54,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-01 11:39:54,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-01 11:39:54,708 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-01 11:39:54,709 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [64359305] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:39:54,709 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-01 11:39:54,709 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2021-07-01 11:39:54,709 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767522904] [2021-07-01 11:39:54,709 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-01 11:39:54,709 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:39:54,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-01 11:39:54,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-07-01 11:39:54,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:39:54,710 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:39:54,710 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-01 11:39:54,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-01 11:39:54,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:39:54,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-01 11:39:54,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:39:55,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-01 11:39:55,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:39:55,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-01 11:39:55,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-01 11:39:55,789 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 11:39:55,792 INFO L301 ceAbstractionStarter]: Result for error location DeviceThreadWithAssertThread1of1ForFork1 was SAFE (2/2) [2021-07-01 11:39:55,792 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-01 11:39:55,794 INFO L202 PluginConnector]: Adding new model bluetooth-customized04.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 11:39:55 BasicIcfg [2021-07-01 11:39:55,794 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-01 11:39:55,794 INFO L168 Benchmark]: Toolchain (without parser) took 3166.01 ms. Allocated memory was 170.9 MB in the beginning and 243.3 MB in the end (delta: 72.4 MB). Free memory was 151.8 MB in the beginning and 164.4 MB in the end (delta: -12.6 MB). Peak memory consumption was 154.3 MB. Max. memory is 8.0 GB. [2021-07-01 11:39:55,795 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.13 ms. Allocated memory is still 170.9 MB. Free memory is still 152.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-01 11:39:55,795 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.94 ms. Allocated memory is still 170.9 MB. Free memory was 151.8 MB in the beginning and 150.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-01 11:39:55,795 INFO L168 Benchmark]: Boogie Preprocessor took 12.39 ms. Allocated memory is still 170.9 MB. Free memory was 150.1 MB in the beginning and 149.0 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-01 11:39:55,795 INFO L168 Benchmark]: RCFGBuilder took 359.95 ms. Allocated memory is still 170.9 MB. Free memory was 149.0 MB in the beginning and 134.4 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-07-01 11:39:55,795 INFO L168 Benchmark]: TraceAbstraction took 2758.14 ms. Allocated memory was 170.9 MB in the beginning and 243.3 MB in the end (delta: 72.4 MB). Free memory was 134.0 MB in the beginning and 164.4 MB in the end (delta: -30.4 MB). Peak memory consumption was 136.5 MB. Max. memory is 8.0 GB. [2021-07-01 11:39:55,796 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.13 ms. Allocated memory is still 170.9 MB. Free memory is still 152.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 30.94 ms. Allocated memory is still 170.9 MB. Free memory was 151.8 MB in the beginning and 150.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 12.39 ms. Allocated memory is still 170.9 MB. Free memory was 150.1 MB in the beginning and 149.0 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 359.95 ms. Allocated memory is still 170.9 MB. Free memory was 149.0 MB in the beginning and 134.4 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2758.14 ms. Allocated memory was 170.9 MB in the beginning and 243.3 MB in the end (delta: 72.4 MB). Free memory was 134.0 MB in the beginning and 164.4 MB in the end (delta: -30.4 MB). Peak memory consumption was 136.5 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: 10507, positive: 8104, positive conditional: 8104, positive unconditional: 0, negative: 2403, negative conditional: 2403, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 9228, positive: 8104, positive conditional: 8104, positive unconditional: 0, negative: 1124, negative conditional: 1124, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 9228, positive: 8104, positive conditional: 0, positive unconditional: 8104, negative: 1124, negative conditional: 0, negative unconditional: 1124, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 219, positive: 194, positive conditional: 0, positive unconditional: 194, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 219, positive: 157, positive conditional: 0, positive unconditional: 157, negative: 62, negative conditional: 0, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 62, positive: 37, positive conditional: 0, positive unconditional: 37, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 62, positive: 37, positive conditional: 0, positive unconditional: 37, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 265, positive: 148, positive conditional: 0, positive unconditional: 148, negative: 117, negative conditional: 0, negative unconditional: 117, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 9228, positive: 7910, positive conditional: 0, positive unconditional: 7910, negative: 1099, negative conditional: 0, negative unconditional: 1099, unknown: 219, unknown conditional: 0, unknown unconditional: 219] , Statistics on independence cache: Total cache size (in pairs): 219, Positive cache size: 194, Positive conditional cache size: 0, Positive unconditional cache size: 194, Negative cache size: 25, Negative conditional cache size: 0, Negative unconditional cache size: 25 ], Maximal queried relation: 0, Independence queries for same thread: 1279 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 100355, positive: 91966, positive conditional: 91966, positive unconditional: 0, negative: 8389, negative conditional: 8389, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 93810, positive: 91966, positive conditional: 91966, positive unconditional: 0, negative: 1844, negative conditional: 1844, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 93810, positive: 81475, positive conditional: 0, positive unconditional: 81475, negative: 12335, negative conditional: 0, negative unconditional: 12335, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 333, positive: 299, positive conditional: 0, positive unconditional: 299, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 333, positive: 234, positive conditional: 0, positive unconditional: 234, negative: 99, negative conditional: 0, negative unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 99, positive: 65, positive conditional: 0, positive unconditional: 65, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 323, positive: 187, positive conditional: 122, positive unconditional: 65, negative: 136, negative conditional: 102, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 473, positive: 263, positive conditional: 132, positive unconditional: 131, negative: 210, negative conditional: 134, negative unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 93810, positive: 81176, positive conditional: 0, positive unconditional: 81176, negative: 12301, negative conditional: 0, negative unconditional: 12301, unknown: 333, unknown conditional: 0, unknown unconditional: 333] , Statistics on independence cache: Total cache size (in pairs): 557, Positive cache size: 421, Positive conditional cache size: 122, Positive unconditional cache size: 299, Negative cache size: 136, Negative conditional cache size: 102, Negative unconditional cache size: 34, SemanticConditionEliminator.Independence Queries: [ total: 33952, positive: 10491, positive conditional: 10491, positive unconditional: 0, negative: 23461, negative conditional: 8994, negative unconditional: 14467, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 33952, positive: 10491, positive conditional: 10491, positive unconditional: 0, negative: 23461, negative conditional: 8994, negative unconditional: 14467, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 323, positive: 187, positive conditional: 122, positive unconditional: 65, negative: 136, negative conditional: 102, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 473, positive: 263, positive conditional: 132, positive unconditional: 131, negative: 210, negative conditional: 134, negative unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 33952, positive: 10369, positive conditional: 10369, positive unconditional: 0, negative: 23359, negative conditional: 8892, negative unconditional: 14467, unknown: 224, unknown conditional: 224, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 557, Positive cache size: 421, Positive conditional cache size: 122, Positive unconditional cache size: 299, Negative cache size: 136, Negative conditional cache size: 102, Negative unconditional cache size: 34, Eliminated conditions: 14467, SemanticConditionEliminator.Independence Queries: [ total: 33952, positive: 10491, positive conditional: 10491, positive unconditional: 0, negative: 23461, negative conditional: 8994, negative unconditional: 14467, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 33952, positive: 10491, positive conditional: 10491, positive unconditional: 0, negative: 23461, negative conditional: 8994, negative unconditional: 14467, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 323, positive: 187, positive conditional: 122, positive unconditional: 65, negative: 136, negative conditional: 102, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 473, positive: 263, positive conditional: 132, positive unconditional: 131, negative: 210, negative conditional: 134, negative unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 33952, positive: 10369, positive conditional: 10369, positive unconditional: 0, negative: 23359, negative conditional: 8892, negative unconditional: 14467, unknown: 224, unknown conditional: 224, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 557, Positive cache size: 421, Positive conditional cache size: 122, Positive unconditional cache size: 299, Negative cache size: 136, Negative conditional cache size: 102, Negative unconditional cache size: 34, Eliminated conditions: 14467, SemanticConditionEliminator.Independence Queries: [ total: 33952, positive: 10491, positive conditional: 10491, positive unconditional: 0, negative: 23461, negative conditional: 8994, negative unconditional: 14467, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 33952, positive: 10491, positive conditional: 10491, positive unconditional: 0, negative: 23461, negative conditional: 8994, negative unconditional: 14467, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 323, positive: 187, positive conditional: 122, positive unconditional: 65, negative: 136, negative conditional: 102, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 473, positive: 263, positive conditional: 132, positive unconditional: 131, negative: 210, negative conditional: 134, negative unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 33952, positive: 10369, positive conditional: 10369, positive unconditional: 0, negative: 23359, negative conditional: 8892, negative unconditional: 14467, unknown: 224, unknown conditional: 224, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 557, Positive cache size: 421, Positive conditional cache size: 122, Positive unconditional cache size: 299, Negative cache size: 136, Negative conditional cache size: 102, Negative unconditional cache size: 34, Eliminated conditions: 14467, SemanticConditionEliminator.Independence Queries: [ total: 33952, positive: 10491, positive conditional: 10491, positive unconditional: 0, negative: 23461, negative conditional: 8994, negative unconditional: 14467, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 33952, positive: 10491, positive conditional: 10491, positive unconditional: 0, negative: 23461, negative conditional: 8994, negative unconditional: 14467, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 323, positive: 187, positive conditional: 122, positive unconditional: 65, negative: 136, negative conditional: 102, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 473, positive: 263, positive conditional: 132, positive unconditional: 131, negative: 210, negative conditional: 134, negative unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 33952, positive: 10369, positive conditional: 10369, positive unconditional: 0, negative: 23359, negative conditional: 8892, negative unconditional: 14467, unknown: 224, unknown conditional: 224, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 557, Positive cache size: 421, Positive conditional cache size: 122, Positive unconditional cache size: 299, Negative cache size: 136, Negative conditional cache size: 102, Negative unconditional cache size: 34, Eliminated conditions: 14467 ], Maximal queried relation: 4, Independence queries for same thread: 6545 - PositiveResult [Line: 37]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 9 procedures, 50 locations, 7 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 533.6ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 11.1ms, PartialOrderReductionTime: 478.6ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: DeviceThreadWithAssertThread1of1ForFork1 with 1 thread instances CFG has 9 procedures, 50 locations, 7 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2133.8ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.9ms, PartialOrderReductionTime: 1391.5ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 21, 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: 8.7ms SsaConstructionTime, 35.1ms SatisfiabilityAnalysisTime, 276.2ms InterpolantComputationTime, 91 NumberOfCodeBlocks, 91 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 86 ConstructedInterpolants, 0 QuantifiedInterpolants, 234 SizeOfPredicates, 0 NumberOfNonLiveVariables, 45 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 8/10 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...