/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-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth04.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d310483fe8b4879eee5de19363f50e4b839cc4ec-d310483 [2021-06-24 20:18:19,515 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-24 20:18:19,517 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-24 20:18:19,559 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-24 20:18:19,594 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-24 20:18:19,598 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-24 20:18:19,600 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-24 20:18:19,601 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-24 20:18:19,605 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-24 20:18:19,606 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-24 20:18:19,609 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-24 20:18:19,615 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-24 20:18:19,617 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-24 20:18:19,618 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-24 20:18:19,619 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-24 20:18:19,621 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-24 20:18:19,627 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-24 20:18:19,642 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-Random42.epf [2021-06-24 20:18:19,681 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-24 20:18:19,681 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-24 20:18:19,682 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-24 20:18:19,682 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-24 20:18:19,685 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-24 20:18:19,685 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-24 20:18:19,685 INFO L138 SettingsManager]: * Use SBE=true [2021-06-24 20:18:19,686 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-24 20:18:19,686 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-24 20:18:19,686 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-24 20:18:19,687 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-24 20:18:19,687 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-24 20:18:19,687 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-24 20:18:19,687 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-24 20:18:19,687 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-24 20:18:19,688 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-24 20:18:19,688 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-24 20:18:19,688 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-24 20:18:19,688 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-24 20:18:19,688 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-24 20:18:19,688 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-24 20:18:19,688 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-24 20:18:19,689 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-24 20:18:19,689 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-24 20:18:19,689 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-24 20:18:19,689 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-24 20:18:19,689 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-24 20:18:19,689 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-24 20:18:19,689 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-24 20:18:19,690 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-24 20:18:19,690 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-24 20:18:19,690 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-24 20:18:19,690 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-24 20:18:19,690 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-06-24 20:18:19,690 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-24 20:18:19,691 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-24 20:18:20,002 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-24 20:18:20,028 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-24 20:18:20,031 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-24 20:18:20,032 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-24 20:18:20,033 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-24 20:18:20,034 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth04.bpl [2021-06-24 20:18:20,035 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth04.bpl' [2021-06-24 20:18:20,064 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-24 20:18:20,066 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-24 20:18:20,067 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-24 20:18:20,067 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-24 20:18:20,067 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-24 20:18:20,076 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.06 08:18:20" (1/1) ... [2021-06-24 20:18:20,083 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.06 08:18:20" (1/1) ... [2021-06-24 20:18:20,101 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-24 20:18:20,102 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-24 20:18:20,103 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-24 20:18:20,103 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-24 20:18:20,108 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.06 08:18:20" (1/1) ... [2021-06-24 20:18:20,108 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.06 08:18:20" (1/1) ... [2021-06-24 20:18:20,109 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.06 08:18:20" (1/1) ... [2021-06-24 20:18:20,109 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.06 08:18:20" (1/1) ... [2021-06-24 20:18:20,110 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.06 08:18:20" (1/1) ... [2021-06-24 20:18:20,113 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.06 08:18:20" (1/1) ... [2021-06-24 20:18:20,113 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.06 08:18:20" (1/1) ... [2021-06-24 20:18:20,114 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-24 20:18:20,115 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-24 20:18:20,115 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-24 20:18:20,115 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-24 20:18:20,117 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.06 08:18:20" (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 20:18:20,181 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration [2021-06-24 20:18:20,182 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThread [2021-06-24 20:18:20,182 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThread [2021-06-24 20:18:20,182 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration [2021-06-24 20:18:20,182 INFO L130 BoogieDeclarations]: Found specification of procedure ServerThread [2021-06-24 20:18:20,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ServerThread [2021-06-24 20:18:20,182 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-24 20:18:20,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-24 20:18:20,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-24 20:18:20,183 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 20:18:20,466 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-24 20:18:20,466 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-06-24 20:18:20,467 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadEXIT is neither atomic block end nor error location. [2021-06-24 20:18:20,469 INFO L202 PluginConnector]: Adding new model bluetooth04.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.06 08:18:20 BoogieIcfgContainer [2021-06-24 20:18:20,469 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-24 20:18:20,486 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-24 20:18:20,486 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-24 20:18:20,489 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-24 20:18:20,489 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.06 08:18:20" (1/2) ... [2021-06-24 20:18:20,490 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68db881d and model type bluetooth04.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.06 08:18:20, skipping insertion in model container [2021-06-24 20:18:20,490 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth04.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.06 08:18:20" (2/2) ... [2021-06-24 20:18:20,491 INFO L111 eAbstractionObserver]: Analyzing ICFG bluetooth04.bpl [2021-06-24 20:18:20,496 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-24 20:18:20,496 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-24 20:18:20,497 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-24 20:18:20,497 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-24 20:18:20,565 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-24 20:18:20,587 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 [2021-06-24 20:18:20,629 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-24 20:18:20,629 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-24 20:18:20,629 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-24 20:18:20,629 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-24 20:18:20,629 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-24 20:18:20,630 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-24 20:18:20,630 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-24 20:18:20,630 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-24 20:18:21,574 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (1/5) [2021-06-24 20:18:21,576 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 [2021-06-24 20:18:21,597 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-24 20:18:21,597 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-24 20:18:21,597 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-24 20:18:21,597 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-24 20:18:21,597 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-24 20:18:21,597 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-24 20:18:21,597 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-24 20:18:21,598 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == DeviceThreadThread1of1ForFork4======== [2021-06-24 20:18:21,656 INFO L430 AbstractCegarLoop]: === Iteration 1 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 20:18:21,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 20:18:21,660 INFO L82 PathProgramCache]: Analyzing trace with hash -1081045664, now seen corresponding path program 1 times [2021-06-24 20:18:21,667 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 20:18:21,668 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620893662] [2021-06-24 20:18:21,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 20:18:21,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 20:18:21,776 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 20:18:21,777 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 20:18:21,777 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620893662] [2021-06-24 20:18:21,778 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620893662] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-24 20:18:21,778 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-24 20:18:21,778 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-24 20:18:21,778 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264157387] [2021-06-24 20:18:21,783 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-24 20:18:21,784 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 20:18:21,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-24 20:18:21,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-24 20:18:21,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 20:18:21,799 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 20:18:21,800 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 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 20:18:21,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 20:18:21,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:21,969 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-24 20:18:21,969 INFO L430 AbstractCegarLoop]: === Iteration 2 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 20:18:21,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 20:18:21,977 INFO L82 PathProgramCache]: Analyzing trace with hash 523038300, now seen corresponding path program 1 times [2021-06-24 20:18:21,978 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 20:18:21,978 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726662552] [2021-06-24 20:18:21,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 20:18:21,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 20:18:22,007 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 20:18:22,008 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 20:18:22,008 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726662552] [2021-06-24 20:18:22,009 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726662552] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-24 20:18:22,010 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-24 20:18:22,010 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-24 20:18:22,010 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63819233] [2021-06-24 20:18:22,012 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-24 20:18:22,012 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 20:18:22,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-24 20:18:22,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-24 20:18:22,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 20:18:22,015 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 20:18:22,015 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) [2021-06-24 20:18:22,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:22,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 20:18:22,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:22,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:22,316 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-24 20:18:22,316 INFO L430 AbstractCegarLoop]: === Iteration 3 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 20:18:22,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 20:18:22,316 INFO L82 PathProgramCache]: Analyzing trace with hash 714193755, now seen corresponding path program 1 times [2021-06-24 20:18:22,317 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 20:18:22,317 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132544991] [2021-06-24 20:18:22,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 20:18:22,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 20:18:22,538 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-24 20:18:22,539 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 20:18:22,539 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132544991] [2021-06-24 20:18:22,539 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2132544991] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-24 20:18:22,539 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [234382077] [2021-06-24 20:18:22,539 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 20:18:22,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 20:18:22,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 20 conjunts are in the unsatisfiable core [2021-06-24 20:18:22,587 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-24 20:18:22,820 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-24 20:18:22,821 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [234382077] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-24 20:18:22,821 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-24 20:18:22,821 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2021-06-24 20:18:22,821 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199308254] [2021-06-24 20:18:22,822 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-24 20:18:22,822 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 20:18:22,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-24 20:18:22,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=37, Unknown=0, NotChecked=0, Total=72 [2021-06-24 20:18:22,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 20:18:22,823 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 20:18:22,823 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 8 states have internal predecessors, (33), 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 20:18:22,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:22,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:22,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 20:18:23,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:23,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:23,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-24 20:18:24,097 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-24 20:18:24,100 INFO L301 ceAbstractionStarter]: Result for error location DeviceThreadThread1of1ForFork4 was SAFE (2/5) [2021-06-24 20:18:24,100 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 20:18:24,113 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-24 20:18:24,113 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-24 20:18:24,113 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-24 20:18:24,113 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-24 20:18:24,113 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-24 20:18:24,113 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-24 20:18:24,114 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-24 20:18:24,114 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == DeviceThreadThread1of1ForFork2======== [2021-06-24 20:18:24,136 INFO L430 AbstractCegarLoop]: === Iteration 1 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 20:18:24,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 20:18:24,137 INFO L82 PathProgramCache]: Analyzing trace with hash -1803859394, now seen corresponding path program 1 times [2021-06-24 20:18:24,137 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 20:18:24,137 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483466160] [2021-06-24 20:18:24,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 20:18:24,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 20:18:24,149 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 20:18:24,150 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 20:18:24,150 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483466160] [2021-06-24 20:18:24,150 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483466160] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-24 20:18:24,150 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-24 20:18:24,150 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-24 20:18:24,150 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921846383] [2021-06-24 20:18:24,151 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-24 20:18:24,151 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 20:18:24,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-24 20:18:24,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-24 20:18:24,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 20:18:24,151 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 20:18:24,152 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-24 20:18:24,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 20:18:24,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:24,276 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-24 20:18:24,277 INFO L430 AbstractCegarLoop]: === Iteration 2 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 20:18:24,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 20:18:24,277 INFO L82 PathProgramCache]: Analyzing trace with hash -416705803, now seen corresponding path program 1 times [2021-06-24 20:18:24,277 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 20:18:24,277 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150112432] [2021-06-24 20:18:24,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 20:18:24,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 20:18:24,289 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 20:18:24,289 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 20:18:24,289 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150112432] [2021-06-24 20:18:24,289 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150112432] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-24 20:18:24,289 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-24 20:18:24,289 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-24 20:18:24,290 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914189871] [2021-06-24 20:18:24,290 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-24 20:18:24,290 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 20:18:24,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-24 20:18:24,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-24 20:18:24,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 20:18:24,291 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 20:18:24,291 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 20:18:24,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:24,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 20:18:24,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:24,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:24,342 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-24 20:18:24,343 INFO L430 AbstractCegarLoop]: === Iteration 3 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 20:18:24,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 20:18:24,343 INFO L82 PathProgramCache]: Analyzing trace with hash -1437646574, now seen corresponding path program 1 times [2021-06-24 20:18:24,343 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 20:18:24,344 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974489619] [2021-06-24 20:18:24,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 20:18:24,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 20:18:24,418 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 20:18:24,419 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 20:18:24,419 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974489619] [2021-06-24 20:18:24,419 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974489619] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-24 20:18:24,419 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-24 20:18:24,419 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-24 20:18:24,419 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154208067] [2021-06-24 20:18:24,420 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-24 20:18:24,420 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 20:18:24,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-24 20:18:24,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2021-06-24 20:18:24,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 20:18:24,421 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 20:18:24,421 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 6 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 20:18:24,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:24,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:24,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 20:18:24,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:24,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:24,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-24 20:18:24,622 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-24 20:18:24,622 INFO L430 AbstractCegarLoop]: === Iteration 4 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 20:18:24,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 20:18:24,622 INFO L82 PathProgramCache]: Analyzing trace with hash 399158168, now seen corresponding path program 1 times [2021-06-24 20:18:24,623 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 20:18:24,623 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166054887] [2021-06-24 20:18:24,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 20:18:24,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 20:18:24,721 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-24 20:18:24,721 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 20:18:24,722 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166054887] [2021-06-24 20:18:24,722 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1166054887] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-24 20:18:24,722 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [605704149] [2021-06-24 20:18:24,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-24 20:18:24,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 20:18:24,764 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 24 conjunts are in the unsatisfiable core [2021-06-24 20:18:24,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-24 20:18:24,897 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-24 20:18:24,897 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [605704149] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-24 20:18:24,897 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-24 20:18:24,898 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2021-06-24 20:18:24,898 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141363878] [2021-06-24 20:18:24,898 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-24 20:18:24,898 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 20:18:24,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-24 20:18:24,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2021-06-24 20:18:24,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 20:18:24,899 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 20:18:24,899 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 4.125) internal successors, (33), 7 states have internal predecessors, (33), 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 20:18:24,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:24,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:24,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-24 20:18:24,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 20:18:25,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:25,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:25,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-24 20:18:25,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-24 20:18:25,324 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-24 20:18:25,325 INFO L430 AbstractCegarLoop]: === Iteration 5 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 20:18:25,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 20:18:25,325 INFO L82 PathProgramCache]: Analyzing trace with hash 1677693174, now seen corresponding path program 1 times [2021-06-24 20:18:25,326 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 20:18:25,326 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910063130] [2021-06-24 20:18:25,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 20:18:25,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 20:18:25,420 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-24 20:18:25,421 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 20:18:25,421 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910063130] [2021-06-24 20:18:25,421 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910063130] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-24 20:18:25,421 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1149454705] [2021-06-24 20:18:25,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-24 20:18:25,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 20:18:25,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-24 20:18:25,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-24 20:18:25,679 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-24 20:18:25,679 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1149454705] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-24 20:18:25,679 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-24 20:18:25,680 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2021-06-24 20:18:25,680 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101360270] [2021-06-24 20:18:25,680 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-24 20:18:25,680 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 20:18:25,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-24 20:18:25,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=37, Unknown=0, NotChecked=0, Total=72 [2021-06-24 20:18:25,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 20:18:25,681 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 20:18:25,681 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 4.111111111111111) internal successors, (37), 8 states have internal predecessors, (37), 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 20:18:25,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:25,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:25,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-24 20:18:25,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-24 20:18:25,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 20:18:26,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:26,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:26,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-24 20:18:26,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-24 20:18:26,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-24 20:18:27,184 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-24 20:18:27,187 INFO L301 ceAbstractionStarter]: Result for error location DeviceThreadThread1of1ForFork2 was SAFE (3/5) [2021-06-24 20:18:27,188 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 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-06-24 20:18:27,194 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-24 20:18:27,194 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-24 20:18:27,194 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-24 20:18:27,194 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-24 20:18:27,194 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-24 20:18:27,194 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-24 20:18:27,194 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-24 20:18:27,194 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == DeviceThreadThread1of1ForFork3======== Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-24 20:18:27,215 INFO L430 AbstractCegarLoop]: === Iteration 1 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 20:18:27,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 20:18:27,216 INFO L82 PathProgramCache]: Analyzing trace with hash 588818568, now seen corresponding path program 1 times [2021-06-24 20:18:27,216 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 20:18:27,216 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563118583] [2021-06-24 20:18:27,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 20:18:27,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 20:18:27,225 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 20:18:27,225 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 20:18:27,225 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563118583] [2021-06-24 20:18:27,225 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563118583] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-24 20:18:27,225 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-24 20:18:27,225 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-24 20:18:27,225 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204672976] [2021-06-24 20:18:27,226 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-24 20:18:27,226 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 20:18:27,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-24 20:18:27,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-24 20:18:27,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 20:18:27,226 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 20:18:27,226 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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 20:18:27,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 20:18:27,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:27,317 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-06-24 20:18:27,317 INFO L430 AbstractCegarLoop]: === Iteration 2 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 20:18:27,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 20:18:27,317 INFO L82 PathProgramCache]: Analyzing trace with hash -1022291601, now seen corresponding path program 1 times [2021-06-24 20:18:27,317 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 20:18:27,317 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720051112] [2021-06-24 20:18:27,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 20:18:27,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 20:18:27,335 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 20:18:27,336 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 20:18:27,336 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720051112] [2021-06-24 20:18:27,336 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720051112] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-24 20:18:27,336 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-24 20:18:27,336 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-24 20:18:27,336 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336008784] [2021-06-24 20:18:27,336 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-24 20:18:27,337 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 20:18:27,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-24 20:18:27,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-24 20:18:27,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 20:18:27,337 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 20:18:27,337 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-24 20:18:27,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:27,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 20:18:27,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:27,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:27,549 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-06-24 20:18:27,550 INFO L430 AbstractCegarLoop]: === Iteration 3 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 20:18:27,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 20:18:27,553 INFO L82 PathProgramCache]: Analyzing trace with hash -578266991, now seen corresponding path program 1 times [2021-06-24 20:18:27,553 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 20:18:27,553 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788651555] [2021-06-24 20:18:27,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 20:18:27,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 20:18:27,706 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 17 proven. 12 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-06-24 20:18:27,706 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 20:18:27,706 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788651555] [2021-06-24 20:18:27,706 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788651555] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-24 20:18:27,706 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [275414835] [2021-06-24 20:18:27,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-24 20:18:27,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 20:18:27,753 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 37 conjunts are in the unsatisfiable core [2021-06-24 20:18:27,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-24 20:18:27,933 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 17 proven. 12 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-06-24 20:18:27,934 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [275414835] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-24 20:18:27,934 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-24 20:18:27,934 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2021-06-24 20:18:27,934 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706218044] [2021-06-24 20:18:27,938 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-24 20:18:27,938 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 20:18:27,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-24 20:18:27,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=37, Unknown=0, NotChecked=0, Total=72 [2021-06-24 20:18:27,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 20:18:27,939 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 20:18:27,939 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 8 states have internal predecessors, (43), 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 20:18:27,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:27,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:27,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 20:18:28,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:28,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:28,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-24 20:18:28,980 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-06-24 20:18:28,982 INFO L301 ceAbstractionStarter]: Result for error location DeviceThreadThread1of1ForFork3 was SAFE (4/5) [2021-06-24 20:18:28,982 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 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-24 20:18:28,987 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-24 20:18:28,987 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-24 20:18:28,987 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-24 20:18:28,987 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-24 20:18:28,987 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-24 20:18:28,987 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-24 20:18:28,987 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-24 20:18:28,987 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == DeviceThreadThread1of1ForFork1======== [2021-06-24 20:18:29,003 INFO L430 AbstractCegarLoop]: === Iteration 1 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 20:18:29,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 20:18:29,003 INFO L82 PathProgramCache]: Analyzing trace with hash 799569292, now seen corresponding path program 1 times [2021-06-24 20:18:29,003 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 20:18:29,003 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045216186] [2021-06-24 20:18:29,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 20:18:29,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 20:18:29,012 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 20:18:29,012 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 20:18:29,012 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045216186] [2021-06-24 20:18:29,012 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045216186] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-24 20:18:29,012 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-24 20:18:29,013 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-24 20:18:29,013 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598518444] [2021-06-24 20:18:29,013 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-24 20:18:29,013 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 20:18:29,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-24 20:18:29,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-24 20:18:29,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 20:18:29,014 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 20:18:29,014 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 20:18:29,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 20:18:29,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:29,036 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-06-24 20:18:29,036 INFO L430 AbstractCegarLoop]: === Iteration 2 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 20:18:29,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 20:18:29,036 INFO L82 PathProgramCache]: Analyzing trace with hash 2104002414, now seen corresponding path program 1 times [2021-06-24 20:18:29,036 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 20:18:29,036 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715562164] [2021-06-24 20:18:29,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 20:18:29,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 20:18:29,044 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 20:18:29,044 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 20:18:29,044 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715562164] [2021-06-24 20:18:29,044 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715562164] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-24 20:18:29,044 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-24 20:18:29,044 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-24 20:18:29,044 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422024576] [2021-06-24 20:18:29,045 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-24 20:18:29,045 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 20:18:29,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-24 20:18:29,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-24 20:18:29,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 20:18:29,045 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 20:18:29,045 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 20:18:29,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:29,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 20:18:29,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:29,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:29,057 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-06-24 20:18:29,057 INFO L430 AbstractCegarLoop]: === Iteration 3 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 20:18:29,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 20:18:29,057 INFO L82 PathProgramCache]: Analyzing trace with hash -30459604, now seen corresponding path program 1 times [2021-06-24 20:18:29,057 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 20:18:29,057 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722609854] [2021-06-24 20:18:29,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 20:18:29,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 20:18:29,087 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 20:18:29,088 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 20:18:29,088 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722609854] [2021-06-24 20:18:29,088 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722609854] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-24 20:18:29,088 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-24 20:18:29,088 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-24 20:18:29,088 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982166378] [2021-06-24 20:18:29,088 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-24 20:18:29,089 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 20:18:29,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-24 20:18:29,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-06-24 20:18:29,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 20:18:29,091 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 20:18:29,091 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 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 20:18:29,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:29,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:29,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 20:18:29,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:29,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:29,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-24 20:18:29,204 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-06-24 20:18:29,204 INFO L430 AbstractCegarLoop]: === Iteration 4 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 20:18:29,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 20:18:29,204 INFO L82 PathProgramCache]: Analyzing trace with hash -34242687, now seen corresponding path program 1 times [2021-06-24 20:18:29,204 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 20:18:29,204 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433419168] [2021-06-24 20:18:29,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 20:18:29,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 20:18:29,247 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-24 20:18:29,247 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 20:18:29,247 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433419168] [2021-06-24 20:18:29,247 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [433419168] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-24 20:18:29,247 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-24 20:18:29,247 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-24 20:18:29,248 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034059148] [2021-06-24 20:18:29,248 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-24 20:18:29,248 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 20:18:29,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-24 20:18:29,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2021-06-24 20:18:29,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 20:18:29,249 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 20:18:29,249 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 3.142857142857143) 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) [2021-06-24 20:18:29,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:29,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:29,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-24 20:18:29,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 20:18:29,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:29,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:29,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-24 20:18:29,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-24 20:18:29,503 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-06-24 20:18:29,504 INFO L430 AbstractCegarLoop]: === Iteration 5 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 20:18:29,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 20:18:29,504 INFO L82 PathProgramCache]: Analyzing trace with hash 1108514670, now seen corresponding path program 1 times [2021-06-24 20:18:29,504 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 20:18:29,504 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97357188] [2021-06-24 20:18:29,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 20:18:29,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 20:18:29,594 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-24 20:18:29,595 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 20:18:29,595 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97357188] [2021-06-24 20:18:29,595 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [97357188] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-24 20:18:29,595 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1869653699] [2021-06-24 20:18:29,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-24 20:18:29,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 20:18:29,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 24 conjunts are in the unsatisfiable core [2021-06-24 20:18:29,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-24 20:18:29,738 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-24 20:18:29,738 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1869653699] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-24 20:18:29,739 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-24 20:18:29,739 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2021-06-24 20:18:29,739 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091401700] [2021-06-24 20:18:29,739 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-24 20:18:29,739 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 20:18:29,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-24 20:18:29,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2021-06-24 20:18:29,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 20:18:29,741 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 20:18:29,741 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 4.25) internal successors, (34), 7 states have internal predecessors, (34), 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 20:18:29,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:29,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:29,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-24 20:18:29,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-24 20:18:29,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 20:18:30,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:30,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:30,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-24 20:18:30,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-24 20:18:30,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-24 20:18:30,520 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-24 20:18:30,521 INFO L430 AbstractCegarLoop]: === Iteration 6 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 20:18:30,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 20:18:30,521 INFO L82 PathProgramCache]: Analyzing trace with hash -1237363254, now seen corresponding path program 2 times [2021-06-24 20:18:30,521 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 20:18:30,522 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823034090] [2021-06-24 20:18:30,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 20:18:30,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 20:18:30,595 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 15 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-24 20:18:30,595 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 20:18:30,595 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823034090] [2021-06-24 20:18:30,595 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823034090] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-24 20:18:30,595 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1584286727] [2021-06-24 20:18:30,595 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-24 20:18:30,641 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-24 20:18:30,642 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-24 20:18:30,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 28 conjunts are in the unsatisfiable core [2021-06-24 20:18:30,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-24 20:18:30,781 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 15 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-24 20:18:30,781 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1584286727] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-24 20:18:30,781 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-24 20:18:30,781 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2021-06-24 20:18:30,782 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824194915] [2021-06-24 20:18:30,784 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-24 20:18:30,784 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 20:18:30,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-24 20:18:30,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=37, Unknown=0, NotChecked=0, Total=72 [2021-06-24 20:18:30,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 20:18:30,785 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 20:18:30,785 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 4.444444444444445) internal successors, (40), 8 states have internal predecessors, (40), 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 20:18:30,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:30,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:30,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-24 20:18:30,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-24 20:18:30,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-24 20:18:30,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 20:18:32,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:32,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 20:18:32,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-24 20:18:32,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-24 20:18:32,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-24 20:18:32,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-24 20:18:32,384 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2021-06-24 20:18:32,386 INFO L301 ceAbstractionStarter]: Result for error location DeviceThreadThread1of1ForFork1 was SAFE (5/5) [2021-06-24 20:18:32,386 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-24 20:18:32,389 INFO L202 PluginConnector]: Adding new model bluetooth04.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.06 08:18:32 BasicIcfg [2021-06-24 20:18:32,389 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-24 20:18:32,389 INFO L168 Benchmark]: Toolchain (without parser) took 12323.73 ms. Allocated memory was 257.9 MB in the beginning and 1.1 GB in the end (delta: 864.0 MB). Free memory was 236.8 MB in the beginning and 759.5 MB in the end (delta: -522.7 MB). Peak memory consumption was 342.4 MB. Max. memory is 8.0 GB. [2021-06-24 20:18:32,392 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.78 ms. Allocated memory is still 257.9 MB. Free memory is still 237.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-24 20:18:32,392 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.62 ms. Allocated memory is still 257.9 MB. Free memory was 236.8 MB in the beginning and 234.9 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-24 20:18:32,392 INFO L168 Benchmark]: Boogie Preprocessor took 12.03 ms. Allocated memory is still 257.9 MB. Free memory was 234.9 MB in the beginning and 234.1 MB in the end (delta: 869.0 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-24 20:18:32,392 INFO L168 Benchmark]: RCFGBuilder took 353.63 ms. Allocated memory is still 257.9 MB. Free memory was 234.0 MB in the beginning and 221.2 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-06-24 20:18:32,392 INFO L168 Benchmark]: TraceAbstraction took 11902.87 ms. Allocated memory was 257.9 MB in the beginning and 1.1 GB in the end (delta: 864.0 MB). Free memory was 220.7 MB in the beginning and 759.5 MB in the end (delta: -538.8 MB). Peak memory consumption was 326.6 MB. Max. memory is 8.0 GB. [2021-06-24 20:18:32,393 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 0.78 ms. Allocated memory is still 257.9 MB. Free memory is still 237.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 34.62 ms. Allocated memory is still 257.9 MB. Free memory was 236.8 MB in the beginning and 234.9 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 12.03 ms. Allocated memory is still 257.9 MB. Free memory was 234.9 MB in the beginning and 234.1 MB in the end (delta: 869.0 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 353.63 ms. Allocated memory is still 257.9 MB. Free memory was 234.0 MB in the beginning and 221.2 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 11902.87 ms. Allocated memory was 257.9 MB in the beginning and 1.1 GB in the end (delta: 864.0 MB). Free memory was 220.7 MB in the beginning and 759.5 MB in the end (delta: -538.8 MB). Peak memory consumption was 326.6 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: 40838, positive: 31769, positive conditional: 31769, positive unconditional: 0, negative: 9069, negative conditional: 9069, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 35104, positive: 31769, positive conditional: 31769, positive unconditional: 0, negative: 3335, negative conditional: 3335, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 35104, positive: 31769, positive conditional: 0, positive unconditional: 31769, negative: 3335, negative conditional: 0, negative unconditional: 3335, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 346, positive: 316, positive conditional: 0, positive unconditional: 316, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 346, positive: 287, positive conditional: 0, positive unconditional: 287, negative: 59, negative conditional: 0, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 59, positive: 29, positive conditional: 0, positive unconditional: 29, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 59, positive: 29, positive conditional: 0, positive unconditional: 29, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 318, positive: 126, positive conditional: 0, positive unconditional: 126, negative: 192, negative conditional: 0, negative unconditional: 192, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 35104, positive: 31453, positive conditional: 0, positive unconditional: 31453, negative: 3305, negative conditional: 0, negative unconditional: 3305, unknown: 346, unknown conditional: 0, unknown unconditional: 346] , Statistics on independence cache: Total cache size (in pairs): 346, Positive cache size: 316, Positive conditional cache size: 0, Positive unconditional cache size: 316, Negative cache size: 30, Negative conditional cache size: 0, Negative unconditional cache size: 30 ], Maximal queried relation: 0, Independence queries for same thread: 5734 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 96984, positive: 89600, positive conditional: 89600, positive unconditional: 0, negative: 7384, negative conditional: 7384, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 90854, positive: 89600, positive conditional: 89600, positive unconditional: 0, negative: 1254, negative conditional: 1254, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 90854, positive: 82741, positive conditional: 0, positive unconditional: 82741, negative: 8113, negative conditional: 0, negative unconditional: 8113, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 556, positive: 512, positive conditional: 0, positive unconditional: 512, negative: 44, negative conditional: 0, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 556, positive: 470, positive conditional: 0, positive unconditional: 470, negative: 86, negative conditional: 0, negative unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 86, positive: 42, positive conditional: 0, positive unconditional: 42, negative: 44, negative conditional: 0, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 216, positive: 146, positive conditional: 104, positive unconditional: 42, negative: 70, negative conditional: 26, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 459, positive: 307, positive conditional: 183, positive unconditional: 123, negative: 152, negative conditional: 30, negative unconditional: 122, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 90854, positive: 82229, positive conditional: 0, positive unconditional: 82229, negative: 8069, negative conditional: 0, negative unconditional: 8069, unknown: 556, unknown conditional: 0, unknown unconditional: 556] , Statistics on independence cache: Total cache size (in pairs): 686, Positive cache size: 616, Positive conditional cache size: 104, Positive unconditional cache size: 512, Negative cache size: 70, Negative conditional cache size: 26, Negative unconditional cache size: 44, SemanticConditionEliminator.Independence Queries: [ total: 14281, positive: 6859, positive conditional: 6859, positive unconditional: 0, negative: 7422, negative conditional: 1170, negative unconditional: 6252, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 14281, positive: 6859, positive conditional: 6859, positive unconditional: 0, negative: 7422, negative conditional: 1170, negative unconditional: 6252, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 216, positive: 146, positive conditional: 104, positive unconditional: 42, negative: 70, negative conditional: 26, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 459, positive: 307, positive conditional: 183, positive unconditional: 123, negative: 152, negative conditional: 30, negative unconditional: 122, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 14281, positive: 6755, positive conditional: 6755, positive unconditional: 0, negative: 7396, negative conditional: 1144, negative unconditional: 6252, unknown: 130, unknown conditional: 130, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 686, Positive cache size: 616, Positive conditional cache size: 104, Positive unconditional cache size: 512, Negative cache size: 70, Negative conditional cache size: 26, Negative unconditional cache size: 44, Eliminated conditions: 6252, SemanticConditionEliminator.Independence Queries: [ total: 14281, positive: 6859, positive conditional: 6859, positive unconditional: 0, negative: 7422, negative conditional: 1170, negative unconditional: 6252, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 14281, positive: 6859, positive conditional: 6859, positive unconditional: 0, negative: 7422, negative conditional: 1170, negative unconditional: 6252, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 216, positive: 146, positive conditional: 104, positive unconditional: 42, negative: 70, negative conditional: 26, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 459, positive: 307, positive conditional: 183, positive unconditional: 123, negative: 152, negative conditional: 30, negative unconditional: 122, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 14281, positive: 6755, positive conditional: 6755, positive unconditional: 0, negative: 7396, negative conditional: 1144, negative unconditional: 6252, unknown: 130, unknown conditional: 130, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 686, Positive cache size: 616, Positive conditional cache size: 104, Positive unconditional cache size: 512, Negative cache size: 70, Negative conditional cache size: 26, Negative unconditional cache size: 44, Eliminated conditions: 6252, SemanticConditionEliminator.Independence Queries: [ total: 14281, positive: 6859, positive conditional: 6859, positive unconditional: 0, negative: 7422, negative conditional: 1170, negative unconditional: 6252, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 14281, positive: 6859, positive conditional: 6859, positive unconditional: 0, negative: 7422, negative conditional: 1170, negative unconditional: 6252, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 216, positive: 146, positive conditional: 104, positive unconditional: 42, negative: 70, negative conditional: 26, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 459, positive: 307, positive conditional: 183, positive unconditional: 123, negative: 152, negative conditional: 30, negative unconditional: 122, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 14281, positive: 6755, positive conditional: 6755, positive unconditional: 0, negative: 7396, negative conditional: 1144, negative unconditional: 6252, unknown: 130, unknown conditional: 130, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 686, Positive cache size: 616, Positive conditional cache size: 104, Positive unconditional cache size: 512, Negative cache size: 70, Negative conditional cache size: 26, Negative unconditional cache size: 44, Eliminated conditions: 6252 ], Maximal queried relation: 3, Independence queries for same thread: 6130 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 132283, positive: 122105, positive conditional: 122105, positive unconditional: 0, negative: 10178, negative conditional: 10178, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 123621, positive: 122105, positive conditional: 122105, positive unconditional: 0, negative: 1516, negative conditional: 1516, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 123621, positive: 112444, positive conditional: 0, positive unconditional: 112444, negative: 11177, negative conditional: 0, negative unconditional: 11177, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 545, positive: 503, positive conditional: 0, positive unconditional: 503, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 545, positive: 463, positive conditional: 0, positive unconditional: 463, negative: 82, negative conditional: 0, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 82, positive: 40, positive conditional: 0, positive unconditional: 40, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 245, positive: 134, positive conditional: 94, positive unconditional: 40, negative: 111, negative conditional: 69, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 470, positive: 268, positive conditional: 193, positive unconditional: 74, negative: 202, negative conditional: 70, negative unconditional: 133, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 123621, positive: 111941, positive conditional: 0, positive unconditional: 111941, negative: 11135, negative conditional: 0, negative unconditional: 11135, unknown: 545, unknown conditional: 0, unknown unconditional: 545] , Statistics on independence cache: Total cache size (in pairs): 708, Positive cache size: 597, Positive conditional cache size: 94, Positive unconditional cache size: 503, Negative cache size: 111, Negative conditional cache size: 69, Negative unconditional cache size: 42, SemanticConditionEliminator.Independence Queries: [ total: 23622, positive: 9661, positive conditional: 9661, positive unconditional: 0, negative: 13961, negative conditional: 4894, negative unconditional: 9067, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 23622, positive: 9661, positive conditional: 9661, positive unconditional: 0, negative: 13961, negative conditional: 4894, negative unconditional: 9067, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 245, positive: 134, positive conditional: 94, positive unconditional: 40, negative: 111, negative conditional: 69, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 470, positive: 268, positive conditional: 193, positive unconditional: 74, negative: 202, negative conditional: 70, negative unconditional: 133, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 23622, positive: 9567, positive conditional: 9567, positive unconditional: 0, negative: 13892, negative conditional: 4825, negative unconditional: 9067, unknown: 163, unknown conditional: 163, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 708, Positive cache size: 597, Positive conditional cache size: 94, Positive unconditional cache size: 503, Negative cache size: 111, Negative conditional cache size: 69, Negative unconditional cache size: 42, Eliminated conditions: 9067, SemanticConditionEliminator.Independence Queries: [ total: 23622, positive: 9661, positive conditional: 9661, positive unconditional: 0, negative: 13961, negative conditional: 4894, negative unconditional: 9067, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 23622, positive: 9661, positive conditional: 9661, positive unconditional: 0, negative: 13961, negative conditional: 4894, negative unconditional: 9067, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 245, positive: 134, positive conditional: 94, positive unconditional: 40, negative: 111, negative conditional: 69, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 470, positive: 268, positive conditional: 193, positive unconditional: 74, negative: 202, negative conditional: 70, negative unconditional: 133, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 23622, positive: 9567, positive conditional: 9567, positive unconditional: 0, negative: 13892, negative conditional: 4825, negative unconditional: 9067, unknown: 163, unknown conditional: 163, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 708, Positive cache size: 597, Positive conditional cache size: 94, Positive unconditional cache size: 503, Negative cache size: 111, Negative conditional cache size: 69, Negative unconditional cache size: 42, Eliminated conditions: 9067, SemanticConditionEliminator.Independence Queries: [ total: 23622, positive: 9661, positive conditional: 9661, positive unconditional: 0, negative: 13961, negative conditional: 4894, negative unconditional: 9067, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 23622, positive: 9661, positive conditional: 9661, positive unconditional: 0, negative: 13961, negative conditional: 4894, negative unconditional: 9067, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 245, positive: 134, positive conditional: 94, positive unconditional: 40, negative: 111, negative conditional: 69, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 470, positive: 268, positive conditional: 193, positive unconditional: 74, negative: 202, negative conditional: 70, negative unconditional: 133, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 23622, positive: 9567, positive conditional: 9567, positive unconditional: 0, negative: 13892, negative conditional: 4825, negative unconditional: 9067, unknown: 163, unknown conditional: 163, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 708, Positive cache size: 597, Positive conditional cache size: 94, Positive unconditional cache size: 503, Negative cache size: 111, Negative conditional cache size: 69, Negative unconditional cache size: 42, Eliminated conditions: 9067, SemanticConditionEliminator.Independence Queries: [ total: 23622, positive: 9661, positive conditional: 9661, positive unconditional: 0, negative: 13961, negative conditional: 4894, negative unconditional: 9067, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 23622, positive: 9661, positive conditional: 9661, positive unconditional: 0, negative: 13961, negative conditional: 4894, negative unconditional: 9067, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 245, positive: 134, positive conditional: 94, positive unconditional: 40, negative: 111, negative conditional: 69, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 470, positive: 268, positive conditional: 193, positive unconditional: 74, negative: 202, negative conditional: 70, negative unconditional: 133, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 23622, positive: 9567, positive conditional: 9567, positive unconditional: 0, negative: 13892, negative conditional: 4825, negative unconditional: 9067, unknown: 163, unknown conditional: 163, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 708, Positive cache size: 597, Positive conditional cache size: 94, Positive unconditional cache size: 503, Negative cache size: 111, Negative conditional cache size: 69, Negative unconditional cache size: 42, Eliminated conditions: 9067, SemanticConditionEliminator.Independence Queries: [ total: 23622, positive: 9661, positive conditional: 9661, positive unconditional: 0, negative: 13961, negative conditional: 4894, negative unconditional: 9067, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 23622, positive: 9661, positive conditional: 9661, positive unconditional: 0, negative: 13961, negative conditional: 4894, negative unconditional: 9067, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 245, positive: 134, positive conditional: 94, positive unconditional: 40, negative: 111, negative conditional: 69, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 470, positive: 268, positive conditional: 193, positive unconditional: 74, negative: 202, negative conditional: 70, negative unconditional: 133, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 23622, positive: 9567, positive conditional: 9567, positive unconditional: 0, negative: 13892, negative conditional: 4825, negative unconditional: 9067, unknown: 163, unknown conditional: 163, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 708, Positive cache size: 597, Positive conditional cache size: 94, Positive unconditional cache size: 503, Negative cache size: 111, Negative conditional cache size: 69, Negative unconditional cache size: 42, Eliminated conditions: 9067 ], Maximal queried relation: 5, Independence queries for same thread: 8662 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 103696, positive: 96530, positive conditional: 96530, positive unconditional: 0, negative: 7166, negative conditional: 7166, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 97931, positive: 96530, positive conditional: 96530, positive unconditional: 0, negative: 1401, negative conditional: 1401, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 97931, positive: 88646, positive conditional: 0, positive unconditional: 88646, negative: 9285, negative conditional: 0, negative unconditional: 9285, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 563, positive: 519, positive conditional: 0, positive unconditional: 519, negative: 44, negative conditional: 0, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 563, positive: 475, positive conditional: 0, positive unconditional: 475, negative: 88, negative conditional: 0, negative unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 88, positive: 44, positive conditional: 0, positive unconditional: 44, negative: 44, negative conditional: 0, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 218, positive: 148, positive conditional: 104, positive unconditional: 44, negative: 70, negative conditional: 26, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 294, positive: 212, positive conditional: 142, positive unconditional: 70, negative: 82, negative conditional: 21, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 97931, positive: 88127, positive conditional: 0, positive unconditional: 88127, negative: 9241, negative conditional: 0, negative unconditional: 9241, unknown: 563, unknown conditional: 0, unknown unconditional: 563] , Statistics on independence cache: Total cache size (in pairs): 693, Positive cache size: 623, Positive conditional cache size: 104, Positive unconditional cache size: 519, Negative cache size: 70, Negative conditional cache size: 26, Negative unconditional cache size: 44, SemanticConditionEliminator.Independence Queries: [ total: 16227, positive: 7884, positive conditional: 7884, positive unconditional: 0, negative: 8343, negative conditional: 1273, negative unconditional: 7070, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 16227, positive: 7884, positive conditional: 7884, positive unconditional: 0, negative: 8343, negative conditional: 1273, negative unconditional: 7070, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 218, positive: 148, positive conditional: 104, positive unconditional: 44, negative: 70, negative conditional: 26, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 294, positive: 212, positive conditional: 142, positive unconditional: 70, negative: 82, negative conditional: 21, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 16227, positive: 7780, positive conditional: 7780, positive unconditional: 0, negative: 8317, negative conditional: 1247, negative unconditional: 7070, unknown: 130, unknown conditional: 130, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 693, Positive cache size: 623, Positive conditional cache size: 104, Positive unconditional cache size: 519, Negative cache size: 70, Negative conditional cache size: 26, Negative unconditional cache size: 44, Eliminated conditions: 7070, SemanticConditionEliminator.Independence Queries: [ total: 16227, positive: 7884, positive conditional: 7884, positive unconditional: 0, negative: 8343, negative conditional: 1273, negative unconditional: 7070, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 16227, positive: 7884, positive conditional: 7884, positive unconditional: 0, negative: 8343, negative conditional: 1273, negative unconditional: 7070, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 218, positive: 148, positive conditional: 104, positive unconditional: 44, negative: 70, negative conditional: 26, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 294, positive: 212, positive conditional: 142, positive unconditional: 70, negative: 82, negative conditional: 21, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 16227, positive: 7780, positive conditional: 7780, positive unconditional: 0, negative: 8317, negative conditional: 1247, negative unconditional: 7070, unknown: 130, unknown conditional: 130, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 693, Positive cache size: 623, Positive conditional cache size: 104, Positive unconditional cache size: 519, Negative cache size: 70, Negative conditional cache size: 26, Negative unconditional cache size: 44, Eliminated conditions: 7070, SemanticConditionEliminator.Independence Queries: [ total: 16227, positive: 7884, positive conditional: 7884, positive unconditional: 0, negative: 8343, negative conditional: 1273, negative unconditional: 7070, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 16227, positive: 7884, positive conditional: 7884, positive unconditional: 0, negative: 8343, negative conditional: 1273, negative unconditional: 7070, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 218, positive: 148, positive conditional: 104, positive unconditional: 44, negative: 70, negative conditional: 26, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 294, positive: 212, positive conditional: 142, positive unconditional: 70, negative: 82, negative conditional: 21, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 16227, positive: 7780, positive conditional: 7780, positive unconditional: 0, negative: 8317, negative conditional: 1247, negative unconditional: 7070, unknown: 130, unknown conditional: 130, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 693, Positive cache size: 623, Positive conditional cache size: 104, Positive unconditional cache size: 519, Negative cache size: 70, Negative conditional cache size: 26, Negative unconditional cache size: 44, Eliminated conditions: 7070 ], Maximal queried relation: 3, Independence queries for same thread: 5765 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 232031, positive: 214768, positive conditional: 214768, positive unconditional: 0, negative: 17263, negative conditional: 17263, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 217993, positive: 214768, positive conditional: 214768, positive unconditional: 0, negative: 3225, negative conditional: 3225, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 217993, positive: 194609, positive conditional: 0, positive unconditional: 194609, negative: 23384, negative conditional: 0, negative unconditional: 23384, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 549, positive: 506, positive conditional: 0, positive unconditional: 506, negative: 43, negative conditional: 0, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 549, positive: 465, positive conditional: 0, positive unconditional: 465, negative: 84, negative conditional: 0, negative unconditional: 84, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 84, positive: 41, positive conditional: 0, positive unconditional: 41, negative: 43, negative conditional: 0, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 320, positive: 171, positive conditional: 130, positive unconditional: 41, negative: 149, negative conditional: 106, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 457, positive: 275, positive conditional: 145, positive unconditional: 130, negative: 182, negative conditional: 131, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 217993, positive: 194103, positive conditional: 0, positive unconditional: 194103, negative: 23341, negative conditional: 0, negative unconditional: 23341, unknown: 549, unknown conditional: 0, unknown unconditional: 549] , Statistics on independence cache: Total cache size (in pairs): 785, Positive cache size: 636, Positive conditional cache size: 130, Positive unconditional cache size: 506, Negative cache size: 149, Negative conditional cache size: 106, Negative unconditional cache size: 43, SemanticConditionEliminator.Independence Queries: [ total: 57072, positive: 20159, positive conditional: 20159, positive unconditional: 0, negative: 36913, negative conditional: 11364, negative unconditional: 25549, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 57072, positive: 20159, positive conditional: 20159, positive unconditional: 0, negative: 36913, negative conditional: 11364, negative unconditional: 25549, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 320, positive: 171, positive conditional: 130, positive unconditional: 41, negative: 149, negative conditional: 106, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 457, positive: 275, positive conditional: 145, positive unconditional: 130, negative: 182, negative conditional: 131, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 57072, positive: 20029, positive conditional: 20029, positive unconditional: 0, negative: 36807, negative conditional: 11258, negative unconditional: 25549, unknown: 236, unknown conditional: 236, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 785, Positive cache size: 636, Positive conditional cache size: 130, Positive unconditional cache size: 506, Negative cache size: 149, Negative conditional cache size: 106, Negative unconditional cache size: 43, Eliminated conditions: 25549, SemanticConditionEliminator.Independence Queries: [ total: 57072, positive: 20159, positive conditional: 20159, positive unconditional: 0, negative: 36913, negative conditional: 11364, negative unconditional: 25549, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 57072, positive: 20159, positive conditional: 20159, positive unconditional: 0, negative: 36913, negative conditional: 11364, negative unconditional: 25549, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 320, positive: 171, positive conditional: 130, positive unconditional: 41, negative: 149, negative conditional: 106, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 457, positive: 275, positive conditional: 145, positive unconditional: 130, negative: 182, negative conditional: 131, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 57072, positive: 20029, positive conditional: 20029, positive unconditional: 0, negative: 36807, negative conditional: 11258, negative unconditional: 25549, unknown: 236, unknown conditional: 236, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 785, Positive cache size: 636, Positive conditional cache size: 130, Positive unconditional cache size: 506, Negative cache size: 149, Negative conditional cache size: 106, Negative unconditional cache size: 43, Eliminated conditions: 25549, SemanticConditionEliminator.Independence Queries: [ total: 57072, positive: 20159, positive conditional: 20159, positive unconditional: 0, negative: 36913, negative conditional: 11364, negative unconditional: 25549, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 57072, positive: 20159, positive conditional: 20159, positive unconditional: 0, negative: 36913, negative conditional: 11364, negative unconditional: 25549, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 320, positive: 171, positive conditional: 130, positive unconditional: 41, negative: 149, negative conditional: 106, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 457, positive: 275, positive conditional: 145, positive unconditional: 130, negative: 182, negative conditional: 131, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 57072, positive: 20029, positive conditional: 20029, positive unconditional: 0, negative: 36807, negative conditional: 11258, negative unconditional: 25549, unknown: 236, unknown conditional: 236, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 785, Positive cache size: 636, Positive conditional cache size: 130, Positive unconditional cache size: 506, Negative cache size: 149, Negative conditional cache size: 106, Negative unconditional cache size: 43, Eliminated conditions: 25549, SemanticConditionEliminator.Independence Queries: [ total: 57072, positive: 20159, positive conditional: 20159, positive unconditional: 0, negative: 36913, negative conditional: 11364, negative unconditional: 25549, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 57072, positive: 20159, positive conditional: 20159, positive unconditional: 0, negative: 36913, negative conditional: 11364, negative unconditional: 25549, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 320, positive: 171, positive conditional: 130, positive unconditional: 41, negative: 149, negative conditional: 106, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 457, positive: 275, positive conditional: 145, positive unconditional: 130, negative: 182, negative conditional: 131, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 57072, positive: 20029, positive conditional: 20029, positive unconditional: 0, negative: 36807, negative conditional: 11258, negative unconditional: 25549, unknown: 236, unknown conditional: 236, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 785, Positive cache size: 636, Positive conditional cache size: 130, Positive unconditional cache size: 506, Negative cache size: 149, Negative conditional cache size: 106, Negative unconditional cache size: 43, Eliminated conditions: 25549, SemanticConditionEliminator.Independence Queries: [ total: 57072, positive: 20159, positive conditional: 20159, positive unconditional: 0, negative: 36913, negative conditional: 11364, negative unconditional: 25549, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 57072, positive: 20159, positive conditional: 20159, positive unconditional: 0, negative: 36913, negative conditional: 11364, negative unconditional: 25549, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 320, positive: 171, positive conditional: 130, positive unconditional: 41, negative: 149, negative conditional: 106, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 457, positive: 275, positive conditional: 145, positive unconditional: 130, negative: 182, negative conditional: 131, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 57072, positive: 20029, positive conditional: 20029, positive unconditional: 0, negative: 36807, negative conditional: 11258, negative unconditional: 25549, unknown: 236, unknown conditional: 236, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 785, Positive cache size: 636, Positive conditional cache size: 130, Positive unconditional cache size: 506, Negative cache size: 149, Negative conditional cache size: 106, Negative unconditional cache size: 43, Eliminated conditions: 25549, SemanticConditionEliminator.Independence Queries: [ total: 57072, positive: 20159, positive conditional: 20159, positive unconditional: 0, negative: 36913, negative conditional: 11364, negative unconditional: 25549, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 57072, positive: 20159, positive conditional: 20159, positive unconditional: 0, negative: 36913, negative conditional: 11364, negative unconditional: 25549, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 320, positive: 171, positive conditional: 130, positive unconditional: 41, negative: 149, negative conditional: 106, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 457, positive: 275, positive conditional: 145, positive unconditional: 130, negative: 182, negative conditional: 131, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 57072, positive: 20029, positive conditional: 20029, positive unconditional: 0, negative: 36807, negative conditional: 11258, negative unconditional: 25549, unknown: 236, unknown conditional: 236, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 785, Positive cache size: 636, Positive conditional cache size: 130, Positive unconditional cache size: 506, Negative cache size: 149, Negative conditional cache size: 106, Negative unconditional cache size: 43, Eliminated conditions: 25549 ], Maximal queried relation: 6, Independence queries for same thread: 14038 - PositiveResult [Line: 35]: 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 8 procedures, 53 locations, 10 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 972.1ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 11.0ms, PartialOrderReductionTime: 917.2ms, 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: DeviceThreadThread1of1ForFork4 with 1 thread instances CFG has 8 procedures, 53 locations, 10 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2522.0ms, OverallIterations: 3, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.3ms, PartialOrderReductionTime: 1585.3ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 14, 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: 10.7ms SsaConstructionTime, 68.1ms SatisfiabilityAnalysisTime, 480.2ms InterpolantComputationTime, 105 NumberOfCodeBlocks, 105 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 101 ConstructedInterpolants, 0 QuantifiedInterpolants, 379 SizeOfPredicates, 1 NumberOfNonLiveVariables, 68 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 20/22 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: DeviceThreadThread1of1ForFork2 with 1 thread instances CFG has 8 procedures, 53 locations, 10 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3085.4ms, OverallIterations: 5, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.1ms, PartialOrderReductionTime: 1886.5ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 27, 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: 14.1ms SsaConstructionTime, 132.6ms SatisfiabilityAnalysisTime, 524.6ms InterpolantComputationTime, 189 NumberOfCodeBlocks, 189 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 182 ConstructedInterpolants, 0 QuantifiedInterpolants, 888 SizeOfPredicates, 2 NumberOfNonLiveVariables, 151 ConjunctsInSsa, 51 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 58/70 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: DeviceThreadThread1of1ForFork3 with 1 thread instances CFG has 8 procedures, 53 locations, 10 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1793.0ms, OverallIterations: 3, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.9ms, PartialOrderReductionTime: 1146.8ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 14, 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: 16.3ms SsaConstructionTime, 48.0ms SatisfiabilityAnalysisTime, 316.0ms InterpolantComputationTime, 130 NumberOfCodeBlocks, 130 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 126 ConstructedInterpolants, 0 QuantifiedInterpolants, 572 SizeOfPredicates, 1 NumberOfNonLiveVariables, 103 ConjunctsInSsa, 37 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 50/74 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 8 procedures, 53 locations, 10 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3403.6ms, OverallIterations: 6, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.0ms, PartialOrderReductionTime: 2359.3ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 32, 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: 11.2ms SsaConstructionTime, 37.5ms SatisfiabilityAnalysisTime, 472.1ms InterpolantComputationTime, 208 NumberOfCodeBlocks, 208 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 200 ConstructedInterpolants, 0 QuantifiedInterpolants, 993 SizeOfPredicates, 2 NumberOfNonLiveVariables, 158 ConjunctsInSsa, 52 ConjunctsInUnsatCore, 8 InterpolantComputations, 4 PerfectInterpolantSequences, 71/89 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...