/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe-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 19:12:50,330 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-24 19:12:50,332 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-24 19:12:50,374 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-24 19:12:50,422 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe-Random42.epf [2021-06-24 19:12:50,442 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-24 19:12:50,442 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-24 19:12:50,442 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-24 19:12:50,442 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-24 19:12:50,444 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-24 19:12:50,444 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-24 19:12:50,444 INFO L138 SettingsManager]: * Use SBE=true [2021-06-24 19:12:50,444 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-24 19:12:50,444 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-24 19:12:50,444 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-24 19:12:50,445 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-24 19:12:50,445 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-24 19:12:50,445 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-24 19:12:50,445 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-24 19:12:50,445 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-24 19:12:50,445 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-24 19:12:50,446 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-24 19:12:50,446 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-24 19:12:50,446 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-24 19:12:50,446 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-24 19:12:50,465 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-24 19:12:50,465 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-24 19:12:50,465 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-24 19:12:50,466 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-24 19:12:50,466 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-24 19:12:50,466 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-24 19:12:50,466 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-24 19:12:50,466 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-24 19:12:50,466 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-24 19:12:50,466 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-24 19:12:50,467 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-24 19:12:50,467 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-24 19:12:50,467 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-24 19:12:50,467 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-24 19:12:50,467 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-24 19:12:50,468 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-24 19:12:50,799 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-24 19:12:50,819 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-24 19:12:50,821 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-24 19:12:50,822 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-24 19:12:50,822 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-24 19:12:50,823 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth04.bpl [2021-06-24 19:12:50,823 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth04.bpl' [2021-06-24 19:12:50,844 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-24 19:12:50,846 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-24 19:12:50,847 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-24 19:12:50,847 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-24 19:12:50,847 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-24 19:12:50,859 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 07:12:50" (1/1) ... [2021-06-24 19:12:50,867 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 07:12:50" (1/1) ... [2021-06-24 19:12:50,881 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-24 19:12:50,883 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-24 19:12:50,883 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-24 19:12:50,883 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-24 19:12:50,889 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.06 07:12:50" (1/1) ... [2021-06-24 19:12:50,889 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.06 07:12:50" (1/1) ... [2021-06-24 19:12:50,889 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.06 07:12:50" (1/1) ... [2021-06-24 19:12:50,890 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.06 07:12:50" (1/1) ... [2021-06-24 19:12:50,891 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.06 07:12:50" (1/1) ... [2021-06-24 19:12:50,893 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.06 07:12:50" (1/1) ... [2021-06-24 19:12:50,893 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.06 07:12:50" (1/1) ... [2021-06-24 19:12:50,894 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-24 19:12:50,895 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-24 19:12:50,895 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-24 19:12:50,895 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-24 19:12:50,896 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.06 07:12:50" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-24 19:12:50,957 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration [2021-06-24 19:12:50,958 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThread [2021-06-24 19:12:50,958 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThread [2021-06-24 19:12:50,958 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration [2021-06-24 19:12:50,958 INFO L130 BoogieDeclarations]: Found specification of procedure ServerThread [2021-06-24 19:12:50,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ServerThread [2021-06-24 19:12:50,959 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-24 19:12:50,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-24 19:12:50,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-24 19:12:50,961 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-24 19:12:51,207 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-24 19:12:51,207 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-06-24 19:12:51,208 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadEXIT is neither atomic block end nor error location. [2021-06-24 19:12:51,209 INFO L202 PluginConnector]: Adding new model bluetooth04.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.06 07:12:51 BoogieIcfgContainer [2021-06-24 19:12:51,209 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-24 19:12:51,211 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-24 19:12:51,211 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-24 19:12:51,214 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-24 19:12:51,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.06 07:12:50" (1/2) ... [2021-06-24 19:12:51,215 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@594ea8d2 and model type bluetooth04.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.06 07:12:51, skipping insertion in model container [2021-06-24 19:12:51,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth04.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.06 07:12:51" (2/2) ... [2021-06-24 19:12:51,217 INFO L111 eAbstractionObserver]: Analyzing ICFG bluetooth04.bpl [2021-06-24 19:12:51,222 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-24 19:12:51,223 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-24 19:12:51,223 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-24 19:12:51,224 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-24 19:12:51,272 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-24 19:12:51,292 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 19:12:51,353 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-24 19:12:51,353 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-24 19:12:51,356 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-24 19:12:51,356 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-24 19:12:51,356 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-24 19:12:51,356 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-24 19:12:51,356 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-24 19:12:51,356 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-24 19:12:52,089 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (1/5) [2021-06-24 19:12:52,090 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-06-24 19:12:52,104 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-24 19:12:52,104 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-24 19:12:52,104 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-24 19:12:52,104 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-24 19:12:52,104 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-24 19:12:52,104 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-24 19:12:52,104 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-24 19:12:52,105 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == DeviceThreadThread1of1ForFork4======== Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-24 19:12:52,141 INFO L430 AbstractCegarLoop]: === Iteration 1 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 19:12:52,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 19:12:52,145 INFO L82 PathProgramCache]: Analyzing trace with hash -1081045664, now seen corresponding path program 1 times [2021-06-24 19:12:52,152 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 19:12:52,152 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591253672] [2021-06-24 19:12:52,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 19:12:52,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 19:12:52,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-24 19:12:52,255 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 19:12:52,255 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591253672] [2021-06-24 19:12:52,255 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591253672] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-24 19:12:52,256 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-24 19:12:52,256 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-24 19:12:52,256 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28597254] [2021-06-24 19:12:52,261 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-24 19:12:52,261 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 19:12:52,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-24 19:12:52,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-24 19:12:52,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 19:12:52,275 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 19:12:52,276 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 19:12:52,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 19:12:52,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:12:52,429 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-24 19:12:52,429 INFO L430 AbstractCegarLoop]: === Iteration 2 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 19:12:52,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 19:12:52,430 INFO L82 PathProgramCache]: Analyzing trace with hash 523038300, now seen corresponding path program 1 times [2021-06-24 19:12:52,431 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 19:12:52,431 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442963317] [2021-06-24 19:12:52,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 19:12:52,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 19:12:52,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-24 19:12:52,466 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 19:12:52,466 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442963317] [2021-06-24 19:12:52,467 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442963317] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-24 19:12:52,467 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-24 19:12:52,468 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-24 19:12:52,468 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844611340] [2021-06-24 19:12:52,469 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-24 19:12:52,470 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 19:12:52,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-24 19:12:52,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-24 19:12:52,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 19:12:52,472 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 19:12:52,472 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 19:12:52,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:12:52,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 19:12:52,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:12:52,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:12:52,718 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-24 19:12:52,718 INFO L430 AbstractCegarLoop]: === Iteration 3 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 19:12:52,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 19:12:52,719 INFO L82 PathProgramCache]: Analyzing trace with hash 714193755, now seen corresponding path program 1 times [2021-06-24 19:12:52,719 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 19:12:52,720 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257740656] [2021-06-24 19:12:52,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 19:12:52,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 19:12:52,913 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 19:12:52,913 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 19:12:52,914 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257740656] [2021-06-24 19:12:52,914 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257740656] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-24 19:12:52,914 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2059243516] [2021-06-24 19:12:52,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-24 19:12:52,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 19:12:52,971 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 20 conjunts are in the unsatisfiable core [2021-06-24 19:12:53,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-24 19:12:53,280 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 19:12:53,280 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2059243516] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-24 19:12:53,280 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-24 19:12:53,280 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2021-06-24 19:12:53,281 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554344745] [2021-06-24 19:12:53,282 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-24 19:12:53,282 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 19:12:53,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-24 19:12:53,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=37, Unknown=0, NotChecked=0, Total=72 [2021-06-24 19:12:53,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 19:12:53,285 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 19:12:53,285 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 19:12:53,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:12:53,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:12:53,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 19:12:53,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:12:53,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:12:53,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-24 19:12:54,185 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-24 19:12:54,186 INFO L301 ceAbstractionStarter]: Result for error location DeviceThreadThread1of1ForFork4 was SAFE (2/5) [2021-06-24 19:12:54,186 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-06-24 19:12:54,194 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-24 19:12:54,194 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-24 19:12:54,194 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-24 19:12:54,194 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-24 19:12:54,194 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-24 19:12:54,194 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-24 19:12:54,194 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-24 19:12:54,195 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == DeviceThreadThread1of1ForFork2======== Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-24 19:12:54,240 INFO L430 AbstractCegarLoop]: === Iteration 1 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 19:12:54,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 19:12:54,241 INFO L82 PathProgramCache]: Analyzing trace with hash -1803859394, now seen corresponding path program 1 times [2021-06-24 19:12:54,241 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 19:12:54,241 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742732662] [2021-06-24 19:12:54,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 19:12:54,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 19:12:54,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-24 19:12:54,262 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 19:12:54,262 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742732662] [2021-06-24 19:12:54,262 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1742732662] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-24 19:12:54,262 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-24 19:12:54,262 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-24 19:12:54,263 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300953147] [2021-06-24 19:12:54,263 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-24 19:12:54,263 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 19:12:54,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-24 19:12:54,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-24 19:12:54,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 19:12:54,264 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 19:12:54,264 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-24 19:12:54,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 19:12:54,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:12:54,338 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-24 19:12:54,338 INFO L430 AbstractCegarLoop]: === Iteration 2 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 19:12:54,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 19:12:54,338 INFO L82 PathProgramCache]: Analyzing trace with hash -416705803, now seen corresponding path program 1 times [2021-06-24 19:12:54,339 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 19:12:54,339 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857342068] [2021-06-24 19:12:54,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 19:12:54,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 19:12:54,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-24 19:12:54,358 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 19:12:54,358 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857342068] [2021-06-24 19:12:54,359 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857342068] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-24 19:12:54,359 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-24 19:12:54,359 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-24 19:12:54,359 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854014086] [2021-06-24 19:12:54,359 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-24 19:12:54,359 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 19:12:54,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-24 19:12:54,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-24 19:12:54,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 19:12:54,360 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 19:12:54,360 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 19:12:54,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:12:54,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 19:12:54,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:12:54,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:12:54,419 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-24 19:12:54,419 INFO L430 AbstractCegarLoop]: === Iteration 3 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 19:12:54,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 19:12:54,419 INFO L82 PathProgramCache]: Analyzing trace with hash -1437646574, now seen corresponding path program 1 times [2021-06-24 19:12:54,419 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 19:12:54,419 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763304544] [2021-06-24 19:12:54,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 19:12:54,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 19:12:54,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-24 19:12:54,487 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 19:12:54,487 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763304544] [2021-06-24 19:12:54,487 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763304544] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-24 19:12:54,487 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-24 19:12:54,487 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-24 19:12:54,488 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69441492] [2021-06-24 19:12:54,488 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-24 19:12:54,488 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 19:12:54,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-24 19:12:54,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2021-06-24 19:12:54,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 19:12:54,491 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 19:12:54,491 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 19:12:54,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:12:54,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:12:54,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 19:12:54,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:12:54,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:12:54,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-24 19:12:54,651 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-24 19:12:54,651 INFO L430 AbstractCegarLoop]: === Iteration 4 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 19:12:54,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 19:12:54,652 INFO L82 PathProgramCache]: Analyzing trace with hash -854520702, now seen corresponding path program 1 times [2021-06-24 19:12:54,652 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 19:12:54,652 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38644980] [2021-06-24 19:12:54,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 19:12:54,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 19:12:54,771 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-24 19:12:54,771 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 19:12:54,772 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38644980] [2021-06-24 19:12:54,772 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38644980] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-24 19:12:54,772 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-24 19:12:54,772 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-24 19:12:54,772 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138350507] [2021-06-24 19:12:54,772 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-24 19:12:54,772 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 19:12:54,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-24 19:12:54,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2021-06-24 19:12:54,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 19:12:54,774 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 19:12:54,774 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 3.875) internal successors, (31), 7 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-24 19:12:54,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:12:54,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:12:54,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-24 19:12:54,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 19:12:55,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:12:55,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:12:55,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-24 19:12:55,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-24 19:12:55,006 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-24 19:12:55,006 INFO L430 AbstractCegarLoop]: === Iteration 5 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 19:12:55,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 19:12:55,006 INFO L82 PathProgramCache]: Analyzing trace with hash 1677693174, now seen corresponding path program 1 times [2021-06-24 19:12:55,006 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 19:12:55,007 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189471165] [2021-06-24 19:12:55,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 19:12:55,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 19:12:55,133 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 19:12:55,134 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 19:12:55,134 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189471165] [2021-06-24 19:12:55,134 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189471165] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-24 19:12:55,134 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [451770742] [2021-06-24 19:12:55,134 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 19:12:55,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 19:12:55,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-24 19:12:55,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-24 19:12:55,306 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 19:12:55,306 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [451770742] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-24 19:12:55,306 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-24 19:12:55,306 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2021-06-24 19:12:55,307 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144010111] [2021-06-24 19:12:55,307 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-24 19:12:55,307 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 19:12:55,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-24 19:12:55,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=37, Unknown=0, NotChecked=0, Total=72 [2021-06-24 19:12:55,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 19:12:55,308 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 19:12:55,308 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 19:12:55,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:12:55,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:12:55,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-24 19:12:55,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-24 19:12:55,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 19:12:55,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:12:55,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:12:55,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-24 19:12:55,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-24 19:12:55,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-24 19:12:56,170 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-24 19:12:56,173 INFO L301 ceAbstractionStarter]: Result for error location DeviceThreadThread1of1ForFork2 was SAFE (3/5) [2021-06-24 19:12:56,174 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 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-24 19:12:56,185 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-24 19:12:56,185 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-24 19:12:56,185 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-24 19:12:56,185 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-24 19:12:56,185 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-24 19:12:56,185 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-24 19:12:56,185 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-24 19:12:56,185 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == DeviceThreadThread1of1ForFork3======== [2021-06-24 19:12:56,233 INFO L430 AbstractCegarLoop]: === Iteration 1 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 19:12:56,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 19:12:56,233 INFO L82 PathProgramCache]: Analyzing trace with hash 588818568, now seen corresponding path program 1 times [2021-06-24 19:12:56,234 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 19:12:56,234 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859991350] [2021-06-24 19:12:56,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 19:12:56,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 19:12:56,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-24 19:12:56,243 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 19:12:56,243 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859991350] [2021-06-24 19:12:56,243 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859991350] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-24 19:12:56,244 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-24 19:12:56,244 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-24 19:12:56,244 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382622469] [2021-06-24 19:12:56,244 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-24 19:12:56,244 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 19:12:56,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-24 19:12:56,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-24 19:12:56,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 19:12:56,245 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 19:12:56,245 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 19:12:56,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 19:12:56,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:12:56,329 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-06-24 19:12:56,330 INFO L430 AbstractCegarLoop]: === Iteration 2 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 19:12:56,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 19:12:56,330 INFO L82 PathProgramCache]: Analyzing trace with hash -1022291601, now seen corresponding path program 1 times [2021-06-24 19:12:56,330 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 19:12:56,330 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772642736] [2021-06-24 19:12:56,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 19:12:56,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 19:12:56,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-24 19:12:56,343 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 19:12:56,343 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772642736] [2021-06-24 19:12:56,343 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772642736] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-24 19:12:56,343 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-24 19:12:56,343 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-24 19:12:56,343 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495916210] [2021-06-24 19:12:56,344 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-24 19:12:56,344 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 19:12:56,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-24 19:12:56,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-24 19:12:56,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 19:12:56,344 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 19:12:56,345 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-24 19:12:56,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:12:56,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 19:12:56,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:12:56,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:12:56,501 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-06-24 19:12:56,502 INFO L430 AbstractCegarLoop]: === Iteration 3 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 19:12:56,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 19:12:56,502 INFO L82 PathProgramCache]: Analyzing trace with hash 1495699466, now seen corresponding path program 1 times [2021-06-24 19:12:56,502 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 19:12:56,502 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767810435] [2021-06-24 19:12:56,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 19:12:56,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 19:12:56,580 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-24 19:12:56,581 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 19:12:56,581 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767810435] [2021-06-24 19:12:56,581 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767810435] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-24 19:12:56,581 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1541619274] [2021-06-24 19:12:56,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-24 19:12:56,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 19:12:56,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 24 conjunts are in the unsatisfiable core [2021-06-24 19:12:56,625 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-24 19:12:56,728 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-24 19:12:56,729 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1541619274] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-24 19:12:56,729 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-24 19:12:56,729 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2021-06-24 19:12:56,729 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683965722] [2021-06-24 19:12:56,729 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-24 19:12:56,729 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 19:12:56,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-24 19:12:56,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=37, Unknown=0, NotChecked=0, Total=72 [2021-06-24 19:12:56,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 19:12:56,730 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 19:12:56,730 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 19:12:56,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:12:56,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:12:56,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 19:12:57,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:12:57,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:12:57,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-24 19:12:57,452 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-24 19:12:57,454 INFO L301 ceAbstractionStarter]: Result for error location DeviceThreadThread1of1ForFork3 was SAFE (4/5) [2021-06-24 19:12:57,454 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 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-24 19:12:57,461 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-24 19:12:57,461 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-24 19:12:57,461 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-24 19:12:57,461 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-24 19:12:57,461 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-24 19:12:57,461 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-24 19:12:57,461 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-24 19:12:57,461 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == DeviceThreadThread1of1ForFork1======== [2021-06-24 19:12:57,475 INFO L430 AbstractCegarLoop]: === Iteration 1 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 19:12:57,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 19:12:57,475 INFO L82 PathProgramCache]: Analyzing trace with hash 799569292, now seen corresponding path program 1 times [2021-06-24 19:12:57,475 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 19:12:57,475 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138083373] [2021-06-24 19:12:57,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 19:12:57,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 19:12:57,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-24 19:12:57,504 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 19:12:57,504 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138083373] [2021-06-24 19:12:57,505 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138083373] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-24 19:12:57,505 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-24 19:12:57,505 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-24 19:12:57,505 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335063936] [2021-06-24 19:12:57,505 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-24 19:12:57,505 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 19:12:57,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-24 19:12:57,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-24 19:12:57,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 19:12:57,506 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 19:12:57,506 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-24 19:12:57,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 19:12:57,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:12:57,537 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-06-24 19:12:57,537 INFO L430 AbstractCegarLoop]: === Iteration 2 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 19:12:57,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 19:12:57,537 INFO L82 PathProgramCache]: Analyzing trace with hash 2104002414, now seen corresponding path program 1 times [2021-06-24 19:12:57,537 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 19:12:57,537 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22687818] [2021-06-24 19:12:57,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 19:12:57,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 19:12:57,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-24 19:12:57,544 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 19:12:57,544 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22687818] [2021-06-24 19:12:57,544 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22687818] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-24 19:12:57,544 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-24 19:12:57,544 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-24 19:12:57,544 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483053663] [2021-06-24 19:12:57,545 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-24 19:12:57,545 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 19:12:57,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-24 19:12:57,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-24 19:12:57,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 19:12:57,545 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 19:12:57,545 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-24 19:12:57,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:12:57,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 19:12:57,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:12:57,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:12:57,556 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-06-24 19:12:57,557 INFO L430 AbstractCegarLoop]: === Iteration 3 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 19:12:57,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 19:12:57,557 INFO L82 PathProgramCache]: Analyzing trace with hash -30459604, now seen corresponding path program 1 times [2021-06-24 19:12:57,557 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 19:12:57,557 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288617355] [2021-06-24 19:12:57,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 19:12:57,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 19:12:57,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-24 19:12:57,582 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 19:12:57,583 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288617355] [2021-06-24 19:12:57,583 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288617355] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-24 19:12:57,583 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-24 19:12:57,583 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-24 19:12:57,583 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781866514] [2021-06-24 19:12:57,583 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-24 19:12:57,583 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 19:12:57,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-24 19:12:57,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-06-24 19:12:57,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 19:12:57,584 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 19:12:57,584 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 19:12:57,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:12:57,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:12:57,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 19:12:57,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:12:57,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:12:57,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-24 19:12:57,691 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-06-24 19:12:57,691 INFO L430 AbstractCegarLoop]: === Iteration 4 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 19:12:57,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 19:12:57,691 INFO L82 PathProgramCache]: Analyzing trace with hash -34242687, now seen corresponding path program 1 times [2021-06-24 19:12:57,691 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 19:12:57,691 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563585629] [2021-06-24 19:12:57,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 19:12:57,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 19:12:57,730 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 19:12:57,730 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 19:12:57,730 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563585629] [2021-06-24 19:12:57,730 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563585629] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-24 19:12:57,730 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-24 19:12:57,731 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-24 19:12:57,731 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914637497] [2021-06-24 19:12:57,731 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-24 19:12:57,731 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 19:12:57,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-24 19:12:57,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2021-06-24 19:12:57,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 19:12:57,732 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 19:12:57,732 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 19:12:57,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:12:57,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:12:57,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-24 19:12:57,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 19:12:57,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:12:57,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:12:57,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-24 19:12:57,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-24 19:12:57,876 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-06-24 19:12:57,876 INFO L430 AbstractCegarLoop]: === Iteration 5 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 19:12:57,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 19:12:57,877 INFO L82 PathProgramCache]: Analyzing trace with hash 1108514670, now seen corresponding path program 1 times [2021-06-24 19:12:57,877 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 19:12:57,877 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342123302] [2021-06-24 19:12:57,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 19:12:57,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 19:12:57,938 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 19:12:57,939 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 19:12:57,939 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342123302] [2021-06-24 19:12:57,939 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342123302] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-24 19:12:57,939 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [680411955] [2021-06-24 19:12:57,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-24 19:12:58,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 19:12:58,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 24 conjunts are in the unsatisfiable core [2021-06-24 19:12:58,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-24 19:12:58,212 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 19:12:58,213 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [680411955] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-24 19:12:58,213 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-24 19:12:58,213 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2021-06-24 19:12:58,213 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398698862] [2021-06-24 19:12:58,213 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-24 19:12:58,213 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 19:12:58,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-24 19:12:58,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2021-06-24 19:12:58,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 19:12:58,214 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 19:12:58,214 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 19:12:58,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:12:58,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:12:58,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-24 19:12:58,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-24 19:12:58,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 19:12:58,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:12:58,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:12:58,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-24 19:12:58,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-24 19:12:58,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-24 19:12:58,928 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-24 19:12:58,928 INFO L430 AbstractCegarLoop]: === Iteration 6 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 19:12:58,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 19:12:58,929 INFO L82 PathProgramCache]: Analyzing trace with hash -1237363254, now seen corresponding path program 2 times [2021-06-24 19:12:58,929 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 19:12:58,929 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562359619] [2021-06-24 19:12:58,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 19:12:58,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 19:12:59,043 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 19:12:59,043 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 19:12:59,044 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562359619] [2021-06-24 19:12:59,044 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1562359619] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-24 19:12:59,044 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1335967267] [2021-06-24 19:12:59,044 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 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 19:12:59,084 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-24 19:12:59,084 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-24 19:12:59,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 28 conjunts are in the unsatisfiable core [2021-06-24 19:12:59,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-24 19:12:59,212 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 19:12:59,212 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1335967267] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-24 19:12:59,212 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-24 19:12:59,213 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2021-06-24 19:12:59,213 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315682154] [2021-06-24 19:12:59,213 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-24 19:12:59,213 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 19:12:59,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-24 19:12:59,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=37, Unknown=0, NotChecked=0, Total=72 [2021-06-24 19:12:59,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 19:12:59,214 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 19:12:59,214 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 19:12:59,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:12:59,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:12:59,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-24 19:12:59,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-24 19:12:59,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-24 19:12:59,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 19:12:59,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:12:59,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 19:12:59,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-24 19:12:59,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-24 19:12:59,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-24 19:12:59,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-24 19:13:00,032 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-24 19:13:00,034 INFO L301 ceAbstractionStarter]: Result for error location DeviceThreadThread1of1ForFork1 was SAFE (5/5) [2021-06-24 19:13:00,035 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-24 19:13:00,037 INFO L202 PluginConnector]: Adding new model bluetooth04.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.06 07:13:00 BasicIcfg [2021-06-24 19:13:00,037 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-24 19:13:00,043 INFO L168 Benchmark]: Toolchain (without parser) took 9192.35 ms. Allocated memory was 175.1 MB in the beginning and 587.2 MB in the end (delta: 412.1 MB). Free memory was 156.0 MB in the beginning and 406.6 MB in the end (delta: -250.7 MB). Peak memory consumption was 278.8 MB. Max. memory is 8.0 GB. [2021-06-24 19:13:00,043 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.15 ms. Allocated memory is still 175.1 MB. Free memory is still 157.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-24 19:13:00,043 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.02 ms. Allocated memory is still 175.1 MB. Free memory was 155.8 MB in the beginning and 154.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-24 19:13:00,043 INFO L168 Benchmark]: Boogie Preprocessor took 11.14 ms. Allocated memory is still 175.1 MB. Free memory was 154.1 MB in the beginning and 153.2 MB in the end (delta: 859.2 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-24 19:13:00,043 INFO L168 Benchmark]: RCFGBuilder took 314.84 ms. Allocated memory is still 175.1 MB. Free memory was 153.1 MB in the beginning and 140.5 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-06-24 19:13:00,043 INFO L168 Benchmark]: TraceAbstraction took 8826.42 ms. Allocated memory was 175.1 MB in the beginning and 587.2 MB in the end (delta: 412.1 MB). Free memory was 140.0 MB in the beginning and 406.6 MB in the end (delta: -266.7 MB). Peak memory consumption was 261.0 MB. Max. memory is 8.0 GB. [2021-06-24 19:13:00,044 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.15 ms. Allocated memory is still 175.1 MB. Free memory is still 157.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 35.02 ms. Allocated memory is still 175.1 MB. Free memory was 155.8 MB in the beginning and 154.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 11.14 ms. Allocated memory is still 175.1 MB. Free memory was 154.1 MB in the beginning and 153.2 MB in the end (delta: 859.2 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 314.84 ms. Allocated memory is still 175.1 MB. Free memory was 153.1 MB in the beginning and 140.5 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 8826.42 ms. Allocated memory was 175.1 MB in the beginning and 587.2 MB in the end (delta: 412.1 MB). Free memory was 140.0 MB in the beginning and 406.6 MB in the end (delta: -266.7 MB). Peak memory consumption was 261.0 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: 6043, positive: 4504, positive conditional: 4504, positive unconditional: 0, negative: 1539, negative conditional: 1539, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 5017, positive: 4504, positive conditional: 4504, positive unconditional: 0, negative: 513, negative conditional: 513, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 5017, positive: 4504, positive conditional: 0, positive unconditional: 4504, negative: 513, negative conditional: 0, negative unconditional: 513, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 320, positive: 290, positive conditional: 0, positive unconditional: 290, 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: 320, positive: 262, positive conditional: 0, positive unconditional: 262, negative: 58, negative conditional: 0, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 58, positive: 28, positive conditional: 0, positive unconditional: 28, 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: 58, positive: 28, positive conditional: 0, positive unconditional: 28, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 367, positive: 133, positive conditional: 0, positive unconditional: 133, negative: 234, negative conditional: 0, negative unconditional: 234, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5017, positive: 4214, positive conditional: 0, positive unconditional: 4214, negative: 483, negative conditional: 0, negative unconditional: 483, unknown: 320, unknown conditional: 0, unknown unconditional: 320] , Statistics on independence cache: Total cache size (in pairs): 320, Positive cache size: 290, Positive conditional cache size: 0, Positive unconditional cache size: 290, Negative cache size: 30, Negative conditional cache size: 0, Negative unconditional cache size: 30 ], Maximal queried relation: 0, Independence queries for same thread: 1026 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 28848, positive: 26441, positive conditional: 26441, positive unconditional: 0, negative: 2407, negative conditional: 2407, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 26859, positive: 26441, positive conditional: 26441, positive unconditional: 0, negative: 418, negative conditional: 418, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 26859, positive: 24451, positive conditional: 0, positive unconditional: 24451, negative: 2408, negative conditional: 0, negative unconditional: 2408, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 520, positive: 479, positive conditional: 0, positive unconditional: 479, negative: 41, negative conditional: 0, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 520, positive: 438, positive conditional: 0, positive unconditional: 438, negative: 82, negative conditional: 0, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 82, positive: 41, positive conditional: 0, positive unconditional: 41, negative: 41, negative conditional: 0, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 184, positive: 119, positive conditional: 78, positive unconditional: 41, negative: 65, negative conditional: 24, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 376, positive: 247, positive conditional: 149, positive unconditional: 99, negative: 129, negative conditional: 33, negative unconditional: 96, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 26859, positive: 23972, positive conditional: 0, positive unconditional: 23972, negative: 2367, negative conditional: 0, negative unconditional: 2367, unknown: 520, unknown conditional: 0, unknown unconditional: 520] , Statistics on independence cache: Total cache size (in pairs): 622, Positive cache size: 557, Positive conditional cache size: 78, Positive unconditional cache size: 479, Negative cache size: 65, Negative conditional cache size: 24, Negative unconditional cache size: 41, SemanticConditionEliminator.Independence Queries: [ total: 4113, positive: 1990, positive conditional: 1990, positive unconditional: 0, negative: 2123, negative conditional: 339, negative unconditional: 1784, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4113, positive: 1990, positive conditional: 1990, positive unconditional: 0, negative: 2123, negative conditional: 339, negative unconditional: 1784, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 184, positive: 119, positive conditional: 78, positive unconditional: 41, negative: 65, negative conditional: 24, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 376, positive: 247, positive conditional: 149, positive unconditional: 99, negative: 129, negative conditional: 33, negative unconditional: 96, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4113, positive: 1912, positive conditional: 1912, positive unconditional: 0, negative: 2099, negative conditional: 315, negative unconditional: 1784, unknown: 102, unknown conditional: 102, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 622, Positive cache size: 557, Positive conditional cache size: 78, Positive unconditional cache size: 479, Negative cache size: 65, Negative conditional cache size: 24, Negative unconditional cache size: 41, Eliminated conditions: 1784, SemanticConditionEliminator.Independence Queries: [ total: 4113, positive: 1990, positive conditional: 1990, positive unconditional: 0, negative: 2123, negative conditional: 339, negative unconditional: 1784, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4113, positive: 1990, positive conditional: 1990, positive unconditional: 0, negative: 2123, negative conditional: 339, negative unconditional: 1784, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 184, positive: 119, positive conditional: 78, positive unconditional: 41, negative: 65, negative conditional: 24, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 376, positive: 247, positive conditional: 149, positive unconditional: 99, negative: 129, negative conditional: 33, negative unconditional: 96, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4113, positive: 1912, positive conditional: 1912, positive unconditional: 0, negative: 2099, negative conditional: 315, negative unconditional: 1784, unknown: 102, unknown conditional: 102, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 622, Positive cache size: 557, Positive conditional cache size: 78, Positive unconditional cache size: 479, Negative cache size: 65, Negative conditional cache size: 24, Negative unconditional cache size: 41, Eliminated conditions: 1784, SemanticConditionEliminator.Independence Queries: [ total: 4113, positive: 1990, positive conditional: 1990, positive unconditional: 0, negative: 2123, negative conditional: 339, negative unconditional: 1784, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4113, positive: 1990, positive conditional: 1990, positive unconditional: 0, negative: 2123, negative conditional: 339, negative unconditional: 1784, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 184, positive: 119, positive conditional: 78, positive unconditional: 41, negative: 65, negative conditional: 24, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 376, positive: 247, positive conditional: 149, positive unconditional: 99, negative: 129, negative conditional: 33, negative unconditional: 96, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4113, positive: 1912, positive conditional: 1912, positive unconditional: 0, negative: 2099, negative conditional: 315, negative unconditional: 1784, unknown: 102, unknown conditional: 102, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 622, Positive cache size: 557, Positive conditional cache size: 78, Positive unconditional cache size: 479, Negative cache size: 65, Negative conditional cache size: 24, Negative unconditional cache size: 41, Eliminated conditions: 1784 ], Maximal queried relation: 3, Independence queries for same thread: 1989 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 42785, positive: 39248, positive conditional: 39248, positive unconditional: 0, negative: 3537, negative conditional: 3537, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 39696, positive: 39248, positive conditional: 39248, positive unconditional: 0, negative: 448, negative conditional: 448, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 39696, positive: 36326, positive conditional: 0, positive unconditional: 36326, negative: 3370, negative conditional: 0, negative unconditional: 3370, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 475, positive: 438, positive conditional: 0, positive unconditional: 438, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 475, positive: 402, positive conditional: 0, positive unconditional: 402, negative: 73, negative conditional: 0, negative unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 73, positive: 36, positive conditional: 0, positive unconditional: 36, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 214, positive: 113, positive conditional: 77, positive unconditional: 36, negative: 101, negative conditional: 64, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 312, positive: 157, positive conditional: 95, positive unconditional: 63, negative: 154, negative conditional: 73, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 39696, positive: 35888, positive conditional: 0, positive unconditional: 35888, negative: 3333, negative conditional: 0, negative unconditional: 3333, unknown: 475, unknown conditional: 0, unknown unconditional: 475] , Statistics on independence cache: Total cache size (in pairs): 616, Positive cache size: 515, Positive conditional cache size: 77, Positive unconditional cache size: 438, Negative cache size: 101, Negative conditional cache size: 64, Negative unconditional cache size: 37, SemanticConditionEliminator.Independence Queries: [ total: 7006, positive: 2922, positive conditional: 2922, positive unconditional: 0, negative: 4084, negative conditional: 1402, negative unconditional: 2682, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7006, positive: 2922, positive conditional: 2922, positive unconditional: 0, negative: 4084, negative conditional: 1402, negative unconditional: 2682, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 214, positive: 113, positive conditional: 77, positive unconditional: 36, negative: 101, negative conditional: 64, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 312, positive: 157, positive conditional: 95, positive unconditional: 63, negative: 154, negative conditional: 73, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 7006, positive: 2845, positive conditional: 2845, positive unconditional: 0, negative: 4020, negative conditional: 1338, negative unconditional: 2682, unknown: 141, unknown conditional: 141, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 616, Positive cache size: 515, Positive conditional cache size: 77, Positive unconditional cache size: 438, Negative cache size: 101, Negative conditional cache size: 64, Negative unconditional cache size: 37, Eliminated conditions: 2682, SemanticConditionEliminator.Independence Queries: [ total: 7006, positive: 2922, positive conditional: 2922, positive unconditional: 0, negative: 4084, negative conditional: 1402, negative unconditional: 2682, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7006, positive: 2922, positive conditional: 2922, positive unconditional: 0, negative: 4084, negative conditional: 1402, negative unconditional: 2682, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 214, positive: 113, positive conditional: 77, positive unconditional: 36, negative: 101, negative conditional: 64, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 312, positive: 157, positive conditional: 95, positive unconditional: 63, negative: 154, negative conditional: 73, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 7006, positive: 2845, positive conditional: 2845, positive unconditional: 0, negative: 4020, negative conditional: 1338, negative unconditional: 2682, unknown: 141, unknown conditional: 141, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 616, Positive cache size: 515, Positive conditional cache size: 77, Positive unconditional cache size: 438, Negative cache size: 101, Negative conditional cache size: 64, Negative unconditional cache size: 37, Eliminated conditions: 2682, SemanticConditionEliminator.Independence Queries: [ total: 7006, positive: 2922, positive conditional: 2922, positive unconditional: 0, negative: 4084, negative conditional: 1402, negative unconditional: 2682, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7006, positive: 2922, positive conditional: 2922, positive unconditional: 0, negative: 4084, negative conditional: 1402, negative unconditional: 2682, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 214, positive: 113, positive conditional: 77, positive unconditional: 36, negative: 101, negative conditional: 64, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 312, positive: 157, positive conditional: 95, positive unconditional: 63, negative: 154, negative conditional: 73, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 7006, positive: 2845, positive conditional: 2845, positive unconditional: 0, negative: 4020, negative conditional: 1338, negative unconditional: 2682, unknown: 141, unknown conditional: 141, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 616, Positive cache size: 515, Positive conditional cache size: 77, Positive unconditional cache size: 438, Negative cache size: 101, Negative conditional cache size: 64, Negative unconditional cache size: 37, Eliminated conditions: 2682, SemanticConditionEliminator.Independence Queries: [ total: 7006, positive: 2922, positive conditional: 2922, positive unconditional: 0, negative: 4084, negative conditional: 1402, negative unconditional: 2682, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7006, positive: 2922, positive conditional: 2922, positive unconditional: 0, negative: 4084, negative conditional: 1402, negative unconditional: 2682, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 214, positive: 113, positive conditional: 77, positive unconditional: 36, negative: 101, negative conditional: 64, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 312, positive: 157, positive conditional: 95, positive unconditional: 63, negative: 154, negative conditional: 73, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 7006, positive: 2845, positive conditional: 2845, positive unconditional: 0, negative: 4020, negative conditional: 1338, negative unconditional: 2682, unknown: 141, unknown conditional: 141, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 616, Positive cache size: 515, Positive conditional cache size: 77, Positive unconditional cache size: 438, Negative cache size: 101, Negative conditional cache size: 64, Negative unconditional cache size: 37, Eliminated conditions: 2682, SemanticConditionEliminator.Independence Queries: [ total: 7006, positive: 2922, positive conditional: 2922, positive unconditional: 0, negative: 4084, negative conditional: 1402, negative unconditional: 2682, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7006, positive: 2922, positive conditional: 2922, positive unconditional: 0, negative: 4084, negative conditional: 1402, negative unconditional: 2682, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 214, positive: 113, positive conditional: 77, positive unconditional: 36, negative: 101, negative conditional: 64, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 312, positive: 157, positive conditional: 95, positive unconditional: 63, negative: 154, negative conditional: 73, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 7006, positive: 2845, positive conditional: 2845, positive unconditional: 0, negative: 4020, negative conditional: 1338, negative unconditional: 2682, unknown: 141, unknown conditional: 141, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 616, Positive cache size: 515, Positive conditional cache size: 77, Positive unconditional cache size: 438, Negative cache size: 101, Negative conditional cache size: 64, Negative unconditional cache size: 37, Eliminated conditions: 2682 ], Maximal queried relation: 5, Independence queries for same thread: 3089 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 28758, positive: 26426, positive conditional: 26426, positive unconditional: 0, negative: 2332, negative conditional: 2332, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 26839, positive: 26426, positive conditional: 26426, positive unconditional: 0, negative: 413, negative conditional: 413, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 26839, positive: 24435, positive conditional: 0, positive unconditional: 24435, negative: 2404, negative conditional: 0, negative unconditional: 2404, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 525, positive: 483, positive conditional: 0, positive unconditional: 483, 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: 525, positive: 441, positive conditional: 0, positive unconditional: 441, negative: 84, negative conditional: 0, negative unconditional: 84, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 84, positive: 42, positive conditional: 0, positive unconditional: 42, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 188, positive: 121, positive conditional: 79, positive unconditional: 42, negative: 67, negative conditional: 25, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 277, positive: 167, positive conditional: 97, positive unconditional: 69, negative: 110, negative conditional: 22, negative unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 26839, positive: 23952, positive conditional: 0, positive unconditional: 23952, negative: 2362, negative conditional: 0, negative unconditional: 2362, unknown: 525, unknown conditional: 0, unknown unconditional: 525] , Statistics on independence cache: Total cache size (in pairs): 629, Positive cache size: 562, Positive conditional cache size: 79, Positive unconditional cache size: 483, Negative cache size: 67, Negative conditional cache size: 25, Negative unconditional cache size: 42, SemanticConditionEliminator.Independence Queries: [ total: 4047, positive: 1991, positive conditional: 1991, positive unconditional: 0, negative: 2056, negative conditional: 326, negative unconditional: 1730, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4047, positive: 1991, positive conditional: 1991, positive unconditional: 0, negative: 2056, negative conditional: 326, negative unconditional: 1730, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 188, positive: 121, positive conditional: 79, positive unconditional: 42, negative: 67, negative conditional: 25, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 277, positive: 167, positive conditional: 97, positive unconditional: 69, negative: 110, negative conditional: 22, negative unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4047, positive: 1912, positive conditional: 1912, positive unconditional: 0, negative: 2031, negative conditional: 301, negative unconditional: 1730, unknown: 104, unknown conditional: 104, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 629, Positive cache size: 562, Positive conditional cache size: 79, Positive unconditional cache size: 483, Negative cache size: 67, Negative conditional cache size: 25, Negative unconditional cache size: 42, Eliminated conditions: 1730, SemanticConditionEliminator.Independence Queries: [ total: 4047, positive: 1991, positive conditional: 1991, positive unconditional: 0, negative: 2056, negative conditional: 326, negative unconditional: 1730, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4047, positive: 1991, positive conditional: 1991, positive unconditional: 0, negative: 2056, negative conditional: 326, negative unconditional: 1730, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 188, positive: 121, positive conditional: 79, positive unconditional: 42, negative: 67, negative conditional: 25, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 277, positive: 167, positive conditional: 97, positive unconditional: 69, negative: 110, negative conditional: 22, negative unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4047, positive: 1912, positive conditional: 1912, positive unconditional: 0, negative: 2031, negative conditional: 301, negative unconditional: 1730, unknown: 104, unknown conditional: 104, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 629, Positive cache size: 562, Positive conditional cache size: 79, Positive unconditional cache size: 483, Negative cache size: 67, Negative conditional cache size: 25, Negative unconditional cache size: 42, Eliminated conditions: 1730, SemanticConditionEliminator.Independence Queries: [ total: 4047, positive: 1991, positive conditional: 1991, positive unconditional: 0, negative: 2056, negative conditional: 326, negative unconditional: 1730, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4047, positive: 1991, positive conditional: 1991, positive unconditional: 0, negative: 2056, negative conditional: 326, negative unconditional: 1730, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 188, positive: 121, positive conditional: 79, positive unconditional: 42, negative: 67, negative conditional: 25, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 277, positive: 167, positive conditional: 97, positive unconditional: 69, negative: 110, negative conditional: 22, negative unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4047, positive: 1912, positive conditional: 1912, positive unconditional: 0, negative: 2031, negative conditional: 301, negative unconditional: 1730, unknown: 104, unknown conditional: 104, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 629, Positive cache size: 562, Positive conditional cache size: 79, Positive unconditional cache size: 483, Negative cache size: 67, Negative conditional cache size: 25, Negative unconditional cache size: 42, Eliminated conditions: 1730 ], Maximal queried relation: 3, Independence queries for same thread: 1919 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 79131, positive: 72832, positive conditional: 72832, positive unconditional: 0, negative: 6299, negative conditional: 6299, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 73859, positive: 72832, positive conditional: 72832, positive unconditional: 0, negative: 1027, negative conditional: 1027, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 73859, positive: 66446, positive conditional: 0, positive unconditional: 66446, negative: 7413, negative conditional: 0, negative unconditional: 7413, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 468, positive: 430, positive conditional: 0, positive unconditional: 430, negative: 38, negative conditional: 0, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 468, positive: 393, positive conditional: 0, positive unconditional: 393, negative: 75, negative conditional: 0, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 75, positive: 37, positive conditional: 0, positive unconditional: 37, negative: 38, negative conditional: 0, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 260, positive: 130, positive conditional: 93, positive unconditional: 37, negative: 130, negative conditional: 92, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 316, positive: 170, positive conditional: 119, positive unconditional: 52, negative: 145, negative conditional: 96, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 73859, positive: 66016, positive conditional: 0, positive unconditional: 66016, negative: 7375, negative conditional: 0, negative unconditional: 7375, unknown: 468, unknown conditional: 0, unknown unconditional: 468] , Statistics on independence cache: Total cache size (in pairs): 653, Positive cache size: 523, Positive conditional cache size: 93, Positive unconditional cache size: 430, Negative cache size: 130, Negative conditional cache size: 92, Negative unconditional cache size: 38, SemanticConditionEliminator.Independence Queries: [ total: 18016, positive: 6386, positive conditional: 6386, positive unconditional: 0, negative: 11630, negative conditional: 3625, negative unconditional: 8005, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 18016, positive: 6386, positive conditional: 6386, positive unconditional: 0, negative: 11630, negative conditional: 3625, negative unconditional: 8005, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 260, positive: 130, positive conditional: 93, positive unconditional: 37, negative: 130, negative conditional: 92, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 316, positive: 170, positive conditional: 119, positive unconditional: 52, negative: 145, negative conditional: 96, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 18016, positive: 6293, positive conditional: 6293, positive unconditional: 0, negative: 11538, negative conditional: 3533, negative unconditional: 8005, unknown: 185, unknown conditional: 185, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 653, Positive cache size: 523, Positive conditional cache size: 93, Positive unconditional cache size: 430, Negative cache size: 130, Negative conditional cache size: 92, Negative unconditional cache size: 38, Eliminated conditions: 8005, SemanticConditionEliminator.Independence Queries: [ total: 18016, positive: 6386, positive conditional: 6386, positive unconditional: 0, negative: 11630, negative conditional: 3625, negative unconditional: 8005, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 18016, positive: 6386, positive conditional: 6386, positive unconditional: 0, negative: 11630, negative conditional: 3625, negative unconditional: 8005, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 260, positive: 130, positive conditional: 93, positive unconditional: 37, negative: 130, negative conditional: 92, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 316, positive: 170, positive conditional: 119, positive unconditional: 52, negative: 145, negative conditional: 96, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 18016, positive: 6293, positive conditional: 6293, positive unconditional: 0, negative: 11538, negative conditional: 3533, negative unconditional: 8005, unknown: 185, unknown conditional: 185, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 653, Positive cache size: 523, Positive conditional cache size: 93, Positive unconditional cache size: 430, Negative cache size: 130, Negative conditional cache size: 92, Negative unconditional cache size: 38, Eliminated conditions: 8005, SemanticConditionEliminator.Independence Queries: [ total: 18016, positive: 6386, positive conditional: 6386, positive unconditional: 0, negative: 11630, negative conditional: 3625, negative unconditional: 8005, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 18016, positive: 6386, positive conditional: 6386, positive unconditional: 0, negative: 11630, negative conditional: 3625, negative unconditional: 8005, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 260, positive: 130, positive conditional: 93, positive unconditional: 37, negative: 130, negative conditional: 92, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 316, positive: 170, positive conditional: 119, positive unconditional: 52, negative: 145, negative conditional: 96, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 18016, positive: 6293, positive conditional: 6293, positive unconditional: 0, negative: 11538, negative conditional: 3533, negative unconditional: 8005, unknown: 185, unknown conditional: 185, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 653, Positive cache size: 523, Positive conditional cache size: 93, Positive unconditional cache size: 430, Negative cache size: 130, Negative conditional cache size: 92, Negative unconditional cache size: 38, Eliminated conditions: 8005, SemanticConditionEliminator.Independence Queries: [ total: 18016, positive: 6386, positive conditional: 6386, positive unconditional: 0, negative: 11630, negative conditional: 3625, negative unconditional: 8005, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 18016, positive: 6386, positive conditional: 6386, positive unconditional: 0, negative: 11630, negative conditional: 3625, negative unconditional: 8005, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 260, positive: 130, positive conditional: 93, positive unconditional: 37, negative: 130, negative conditional: 92, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 316, positive: 170, positive conditional: 119, positive unconditional: 52, negative: 145, negative conditional: 96, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 18016, positive: 6293, positive conditional: 6293, positive unconditional: 0, negative: 11538, negative conditional: 3533, negative unconditional: 8005, unknown: 185, unknown conditional: 185, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 653, Positive cache size: 523, Positive conditional cache size: 93, Positive unconditional cache size: 430, Negative cache size: 130, Negative conditional cache size: 92, Negative unconditional cache size: 38, Eliminated conditions: 8005, SemanticConditionEliminator.Independence Queries: [ total: 18016, positive: 6386, positive conditional: 6386, positive unconditional: 0, negative: 11630, negative conditional: 3625, negative unconditional: 8005, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 18016, positive: 6386, positive conditional: 6386, positive unconditional: 0, negative: 11630, negative conditional: 3625, negative unconditional: 8005, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 260, positive: 130, positive conditional: 93, positive unconditional: 37, negative: 130, negative conditional: 92, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 316, positive: 170, positive conditional: 119, positive unconditional: 52, negative: 145, negative conditional: 96, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 18016, positive: 6293, positive conditional: 6293, positive unconditional: 0, negative: 11538, negative conditional: 3533, negative unconditional: 8005, unknown: 185, unknown conditional: 185, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 653, Positive cache size: 523, Positive conditional cache size: 93, Positive unconditional cache size: 430, Negative cache size: 130, Negative conditional cache size: 92, Negative unconditional cache size: 38, Eliminated conditions: 8005, SemanticConditionEliminator.Independence Queries: [ total: 18016, positive: 6386, positive conditional: 6386, positive unconditional: 0, negative: 11630, negative conditional: 3625, negative unconditional: 8005, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 18016, positive: 6386, positive conditional: 6386, positive unconditional: 0, negative: 11630, negative conditional: 3625, negative unconditional: 8005, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 260, positive: 130, positive conditional: 93, positive unconditional: 37, negative: 130, negative conditional: 92, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 316, positive: 170, positive conditional: 119, positive unconditional: 52, negative: 145, negative conditional: 96, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 18016, positive: 6293, positive conditional: 6293, positive unconditional: 0, negative: 11538, negative conditional: 3533, negative unconditional: 8005, unknown: 185, unknown conditional: 185, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 653, Positive cache size: 523, Positive conditional cache size: 93, Positive unconditional cache size: 430, Negative cache size: 130, Negative conditional cache size: 92, Negative unconditional cache size: 38, Eliminated conditions: 8005 ], Maximal queried relation: 6, Independence queries for same thread: 5272 - 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: 776.6ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 18.5ms, PartialOrderReductionTime: 698.8ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: DeviceThreadThread1of1ForFork4 with 1 thread instances CFG has 8 procedures, 53 locations, 10 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2093.1ms, OverallIterations: 3, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.3ms, PartialOrderReductionTime: 1116.3ms, 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: 12.5ms SsaConstructionTime, 79.7ms SatisfiabilityAnalysisTime, 513.9ms 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: 1985.7ms, OverallIterations: 5, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.0ms, PartialOrderReductionTime: 1203.7ms, 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: 9.5ms SsaConstructionTime, 63.4ms SatisfiabilityAnalysisTime, 413.9ms InterpolantComputationTime, 150 NumberOfCodeBlocks, 150 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 144 ConstructedInterpolants, 0 QuantifiedInterpolants, 680 SizeOfPredicates, 1 NumberOfNonLiveVariables, 79 ConjunctsInSsa, 27 ConjunctsInUnsatCore, 6 InterpolantComputations, 4 PerfectInterpolantSequences, 42/50 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: 1279.5ms, OverallIterations: 3, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.9ms, PartialOrderReductionTime: 787.0ms, 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: 7.0ms SsaConstructionTime, 18.0ms SatisfiabilityAnalysisTime, 192.0ms InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 98 ConstructedInterpolants, 0 QuantifiedInterpolants, 396 SizeOfPredicates, 1 NumberOfNonLiveVariables, 73 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 30/36 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: 2579.7ms, OverallIterations: 6, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.7ms, PartialOrderReductionTime: 1395.1ms, 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: 64.4ms SsaConstructionTime, 36.8ms SatisfiabilityAnalysisTime, 555.3ms 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...