/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.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth05.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d310483fe8b4879eee5de19363f50e4b839cc4ec-d310483 [2021-06-24 18:48:48,303 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-24 18:48:48,308 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-24 18:48:48,334 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-24 18:48:48,342 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-24 18:48:48,343 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-24 18:48:48,343 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-24 18:48:48,344 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-24 18:48:48,345 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-24 18:48:48,345 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-24 18:48:48,347 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-24 18:48:48,379 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-24 18:48:48,381 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-24 18:48:48,385 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-24 18:48:48,385 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-24 18:48:48,386 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-24 18:48:48,388 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-24 18:48:48,395 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.epf [2021-06-24 18:48:48,410 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-24 18:48:48,410 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-24 18:48:48,411 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-24 18:48:48,411 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-24 18:48:48,412 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-24 18:48:48,412 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-24 18:48:48,412 INFO L138 SettingsManager]: * Use SBE=true [2021-06-24 18:48:48,412 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-24 18:48:48,412 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-24 18:48:48,412 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-24 18:48:48,412 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-24 18:48:48,413 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-24 18:48:48,413 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-24 18:48:48,413 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-24 18:48:48,413 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-24 18:48:48,413 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-24 18:48:48,413 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-24 18:48:48,413 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-24 18:48:48,413 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-24 18:48:48,414 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-24 18:48:48,414 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-24 18:48:48,414 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-24 18:48:48,414 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-24 18:48:48,414 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-24 18:48:48,414 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-24 18:48:48,414 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-24 18:48:48,415 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-24 18:48:48,415 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-24 18:48:48,415 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-24 18:48:48,415 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-24 18:48:48,415 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-24 18:48:48,415 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-24 18:48:48,415 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-24 18:48:48,415 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-24 18:48:48,683 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-24 18:48:48,696 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-24 18:48:48,697 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-24 18:48:48,698 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-24 18:48:48,699 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-24 18:48:48,699 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth05.bpl [2021-06-24 18:48:48,699 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth05.bpl' [2021-06-24 18:48:48,723 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-24 18:48:48,752 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-24 18:48:48,753 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-24 18:48:48,753 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-24 18:48:48,753 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-24 18:48:48,762 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.06 06:48:48" (1/1) ... [2021-06-24 18:48:48,767 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.06 06:48:48" (1/1) ... [2021-06-24 18:48:48,778 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-24 18:48:48,780 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-24 18:48:48,780 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-24 18:48:48,780 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-24 18:48:48,785 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.06 06:48:48" (1/1) ... [2021-06-24 18:48:48,785 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.06 06:48:48" (1/1) ... [2021-06-24 18:48:48,786 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.06 06:48:48" (1/1) ... [2021-06-24 18:48:48,786 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.06 06:48:48" (1/1) ... [2021-06-24 18:48:48,788 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.06 06:48:48" (1/1) ... [2021-06-24 18:48:48,790 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.06 06:48:48" (1/1) ... [2021-06-24 18:48:48,791 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.06 06:48:48" (1/1) ... [2021-06-24 18:48:48,792 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-24 18:48:48,793 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-24 18:48:48,793 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-24 18:48:48,793 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-24 18:48:48,794 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.06 06:48:48" (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 18:48:48,845 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration [2021-06-24 18:48:48,845 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThread [2021-06-24 18:48:48,845 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThread [2021-06-24 18:48:48,845 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration [2021-06-24 18:48:48,845 INFO L130 BoogieDeclarations]: Found specification of procedure ServerThread [2021-06-24 18:48:48,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ServerThread [2021-06-24 18:48:48,846 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-24 18:48:48,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-24 18:48:48,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-24 18:48:48,846 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 18:48:49,009 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-24 18:48:49,009 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-06-24 18:48:49,009 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadEXIT is neither atomic block end nor error location. [2021-06-24 18:48:49,024 INFO L202 PluginConnector]: Adding new model bluetooth05.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.06 06:48:49 BoogieIcfgContainer [2021-06-24 18:48:49,024 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-24 18:48:49,026 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-24 18:48:49,026 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-24 18:48:49,028 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-24 18:48:49,028 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.06 06:48:48" (1/2) ... [2021-06-24 18:48:49,029 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70cedf49 and model type bluetooth05.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.06 06:48:49, skipping insertion in model container [2021-06-24 18:48:49,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth05.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.06 06:48:49" (2/2) ... [2021-06-24 18:48:49,030 INFO L111 eAbstractionObserver]: Analyzing ICFG bluetooth05.bpl [2021-06-24 18:48:49,033 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-24 18:48:49,034 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-24 18:48:49,034 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-24 18:48:49,034 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-24 18:48:49,080 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-24 18:48:49,096 INFO L255 AbstractCegarLoop]: Starting to check reachability of 6 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 18:48:49,139 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-24 18:48:49,139 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-24 18:48:49,139 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-24 18:48:49,139 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-24 18:48:49,139 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-24 18:48:49,139 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-24 18:48:49,139 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-24 18:48:49,139 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-24 18:48:50,016 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (1/6) [2021-06-24 18:48:50,017 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 18:48:50,038 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-24 18:48:50,038 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-24 18:48:50,038 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-24 18:48:50,038 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-24 18:48:50,038 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-24 18:48:50,038 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-24 18:48:50,038 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-24 18:48:50,038 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == DeviceThreadThread1of1ForFork4======== [2021-06-24 18:48:50,042 INFO L430 AbstractCegarLoop]: === Iteration 1 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 18:48:50,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 18:48:50,048 INFO L82 PathProgramCache]: Analyzing trace with hash -1908929375, now seen corresponding path program 1 times [2021-06-24 18:48:50,053 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 18:48:50,053 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867949902] [2021-06-24 18:48:50,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-24 18:48:50,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 18:48:50,140 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 18:48:50,141 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 18:48:50,141 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867949902] [2021-06-24 18:48:50,142 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867949902] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-24 18:48:50,142 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-24 18:48:50,142 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-24 18:48:50,142 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977398753] [2021-06-24 18:48:50,145 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-24 18:48:50,146 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 18:48:50,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-24 18:48:50,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-24 18:48:50,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 18:48:50,155 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 18:48:50,156 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 18:48:50,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 18:48:50,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 18:48:50,258 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-24 18:48:50,258 INFO L430 AbstractCegarLoop]: === Iteration 2 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 18:48:50,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 18:48:50,264 INFO L82 PathProgramCache]: Analyzing trace with hash -1878456334, now seen corresponding path program 1 times [2021-06-24 18:48:50,264 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 18:48:50,264 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036453033] [2021-06-24 18:48:50,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 18:48:50,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 18:48:50,296 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 18:48:50,296 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 18:48:50,296 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036453033] [2021-06-24 18:48:50,297 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1036453033] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-24 18:48:50,297 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-24 18:48:50,297 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-24 18:48:50,297 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026784106] [2021-06-24 18:48:50,298 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-24 18:48:50,298 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 18:48:50,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-24 18:48:50,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-24 18:48:50,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 18:48:50,299 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 18:48:50,299 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 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 18:48:50,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 18:48:50,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 18:48:50,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 18:48:50,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 18:48:50,348 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-24 18:48:50,349 INFO L430 AbstractCegarLoop]: === Iteration 3 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 18:48:50,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 18:48:50,349 INFO L82 PathProgramCache]: Analyzing trace with hash -507099139, now seen corresponding path program 1 times [2021-06-24 18:48:50,349 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 18:48:50,349 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230677672] [2021-06-24 18:48:50,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 18:48:50,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 18:48:50,430 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-24 18:48:50,430 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 18:48:50,431 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230677672] [2021-06-24 18:48:50,431 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230677672] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-24 18:48:50,431 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-24 18:48:50,431 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-24 18:48:50,431 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897454475] [2021-06-24 18:48:50,432 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-24 18:48:50,432 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 18:48:50,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-24 18:48:50,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2021-06-24 18:48:50,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 18:48:50,433 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 18:48:50,433 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 6 states have internal predecessors, (27), 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 18:48:50,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 18:48:50,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 18:48:50,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 18:48:51,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 18:48:51,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 18:48:51,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-24 18:48:51,456 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-24 18:48:51,458 INFO L301 ceAbstractionStarter]: Result for error location DeviceThreadThread1of1ForFork4 was SAFE (2/6) [2021-06-24 18:48:51,458 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 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-24 18:48:51,463 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-24 18:48:51,464 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-24 18:48:51,464 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-24 18:48:51,464 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-24 18:48:51,464 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-24 18:48:51,464 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-24 18:48:51,464 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-24 18:48:51,464 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == DeviceThreadThread1of1ForFork5======== [2021-06-24 18:48:51,466 INFO L430 AbstractCegarLoop]: === Iteration 1 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 18:48:51,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 18:48:51,467 INFO L82 PathProgramCache]: Analyzing trace with hash -530083862, now seen corresponding path program 1 times [2021-06-24 18:48:51,467 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 18:48:51,467 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942915672] [2021-06-24 18:48:51,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 18:48:51,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 18:48:51,486 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 18:48:51,487 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 18:48:51,487 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942915672] [2021-06-24 18:48:51,487 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [942915672] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-24 18:48:51,487 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-24 18:48:51,487 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-24 18:48:51,487 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152825366] [2021-06-24 18:48:51,487 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-24 18:48:51,487 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 18:48:51,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-24 18:48:51,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-24 18:48:51,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 18:48:51,488 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 18:48:51,488 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 18:48:51,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 18:48:51,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 18:48:51,564 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-24 18:48:51,564 INFO L430 AbstractCegarLoop]: === Iteration 2 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 18:48:51,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 18:48:51,565 INFO L82 PathProgramCache]: Analyzing trace with hash -1310262533, now seen corresponding path program 1 times [2021-06-24 18:48:51,565 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 18:48:51,565 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087515454] [2021-06-24 18:48:51,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 18:48:51,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 18:48:51,623 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 18:48:51,624 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 18:48:51,624 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087515454] [2021-06-24 18:48:51,624 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087515454] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-24 18:48:51,624 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-24 18:48:51,624 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-24 18:48:51,624 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834863559] [2021-06-24 18:48:51,624 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-24 18:48:51,624 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 18:48:51,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-24 18:48:51,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-24 18:48:51,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 18:48:51,625 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 18:48:51,625 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 8.0) 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 18:48:51,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 18:48:51,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 18:48:51,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 18:48:51,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 18:48:51,663 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-24 18:48:51,663 INFO L430 AbstractCegarLoop]: === Iteration 3 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 18:48:51,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 18:48:51,663 INFO L82 PathProgramCache]: Analyzing trace with hash -876486375, now seen corresponding path program 1 times [2021-06-24 18:48:51,663 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 18:48:51,664 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806368249] [2021-06-24 18:48:51,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 18:48:51,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 18:48:51,729 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 18:48:51,729 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 18:48:51,729 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806368249] [2021-06-24 18:48:51,729 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806368249] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-24 18:48:51,729 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-24 18:48:51,729 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-24 18:48:51,729 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119857924] [2021-06-24 18:48:51,730 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-24 18:48:51,730 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 18:48:51,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-24 18:48:51,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-06-24 18:48:51,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 18:48:51,731 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 18:48:51,731 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 3.5) internal successors, (21), 5 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 18:48:51,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 18:48:51,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 18:48:51,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 18:48:51,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 18:48:51,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 18:48:51,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-24 18:48:51,834 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-24 18:48:51,834 INFO L430 AbstractCegarLoop]: === Iteration 4 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 18:48:51,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 18:48:51,835 INFO L82 PathProgramCache]: Analyzing trace with hash 987509471, now seen corresponding path program 1 times [2021-06-24 18:48:51,835 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 18:48:51,835 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042607690] [2021-06-24 18:48:51,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 18:48:51,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 18:48:51,902 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-24 18:48:51,902 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 18:48:51,903 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042607690] [2021-06-24 18:48:51,903 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2042607690] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-24 18:48:51,903 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1487493299] [2021-06-24 18:48:51,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-24 18:48:51,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 18:48:51,937 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 16 conjunts are in the unsatisfiable core [2021-06-24 18:48:51,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-24 18:48:52,107 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-24 18:48:52,107 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1487493299] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-24 18:48:52,107 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-24 18:48:52,108 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2021-06-24 18:48:52,108 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117226767] [2021-06-24 18:48:52,108 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-24 18:48:52,108 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 18:48:52,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-24 18:48:52,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2021-06-24 18:48:52,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 18:48:52,109 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 18:48:52,109 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 6 states have internal predecessors, (29), 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 18:48:52,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 18:48:52,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 18:48:52,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-24 18:48:52,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 18:48:53,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 18:48:53,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 18:48:53,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-24 18:48:53,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-24 18:48:53,489 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-24 18:48:53,490 INFO L301 ceAbstractionStarter]: Result for error location DeviceThreadThread1of1ForFork5 was SAFE (3/6) [2021-06-24 18:48:53,491 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 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-24 18:48:53,495 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-24 18:48:53,495 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-24 18:48:53,495 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-24 18:48:53,496 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-24 18:48:53,496 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-24 18:48:53,496 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-24 18:48:53,496 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-24 18:48:53,496 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == DeviceThreadThread1of1ForFork2======== [2021-06-24 18:48:53,497 INFO L430 AbstractCegarLoop]: === Iteration 1 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 18:48:53,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 18:48:53,498 INFO L82 PathProgramCache]: Analyzing trace with hash -1260614898, now seen corresponding path program 1 times [2021-06-24 18:48:53,498 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 18:48:53,498 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899680954] [2021-06-24 18:48:53,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 18:48:53,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 18:48:53,507 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 18:48:53,507 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 18:48:53,507 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899680954] [2021-06-24 18:48:53,507 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899680954] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-24 18:48:53,507 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-24 18:48:53,507 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-24 18:48:53,508 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737803322] [2021-06-24 18:48:53,508 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-24 18:48:53,508 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 18:48:53,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-24 18:48:53,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-24 18:48:53,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 18:48:53,508 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 18:48:53,509 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-24 18:48:53,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 18:48:53,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 18:48:53,573 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-06-24 18:48:53,573 INFO L430 AbstractCegarLoop]: === Iteration 2 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 18:48:53,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 18:48:53,574 INFO L82 PathProgramCache]: Analyzing trace with hash 1221187295, now seen corresponding path program 1 times [2021-06-24 18:48:53,575 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 18:48:53,575 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987721189] [2021-06-24 18:48:53,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 18:48:53,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 18:48:53,588 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 18:48:53,588 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 18:48:53,589 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987721189] [2021-06-24 18:48:53,589 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987721189] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-24 18:48:53,589 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-24 18:48:53,589 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-24 18:48:53,589 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359983162] [2021-06-24 18:48:53,589 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-24 18:48:53,589 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 18:48:53,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-24 18:48:53,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-24 18:48:53,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 18:48:53,590 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 18:48:53,590 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-24 18:48:53,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 18:48:53,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 18:48:53,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 18:48:53,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 18:48:53,624 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-06-24 18:48:53,624 INFO L430 AbstractCegarLoop]: === Iteration 3 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 18:48:53,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 18:48:53,625 INFO L82 PathProgramCache]: Analyzing trace with hash 288548887, now seen corresponding path program 1 times [2021-06-24 18:48:53,625 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 18:48:53,625 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973492085] [2021-06-24 18:48:53,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 18:48:53,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 18:48:53,669 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-24 18:48:53,670 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 18:48:53,670 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973492085] [2021-06-24 18:48:53,670 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973492085] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-24 18:48:53,670 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-24 18:48:53,670 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-24 18:48:53,670 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811403416] [2021-06-24 18:48:53,670 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-24 18:48:53,670 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 18:48:53,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-24 18:48:53,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2021-06-24 18:48:53,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 18:48:53,671 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 18:48:53,671 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 6 states have internal predecessors, (27), 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 18:48:53,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 18:48:53,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 18:48:53,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 18:48:54,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 18:48:54,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 18:48:54,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-24 18:48:54,401 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-06-24 18:48:54,404 INFO L301 ceAbstractionStarter]: Result for error location DeviceThreadThread1of1ForFork2 was SAFE (4/6) [2021-06-24 18:48:54,404 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 18:48:54,408 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-24 18:48:54,408 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-24 18:48:54,408 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-24 18:48:54,408 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-24 18:48:54,408 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-24 18:48:54,408 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-24 18:48:54,408 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-24 18:48:54,409 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == DeviceThreadThread1of1ForFork3======== [2021-06-24 18:48:54,410 INFO L430 AbstractCegarLoop]: === Iteration 1 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 18:48:54,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 18:48:54,411 INFO L82 PathProgramCache]: Analyzing trace with hash -270142519, now seen corresponding path program 1 times [2021-06-24 18:48:54,411 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 18:48:54,411 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183187198] [2021-06-24 18:48:54,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 18:48:54,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 18:48:54,426 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 18:48:54,427 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 18:48:54,427 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183187198] [2021-06-24 18:48:54,427 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183187198] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-24 18:48:54,427 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-24 18:48:54,427 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-24 18:48:54,427 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825241159] [2021-06-24 18:48:54,428 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-24 18:48:54,428 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 18:48:54,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-24 18:48:54,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-24 18:48:54,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 18:48:54,428 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 18:48:54,429 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 18:48:54,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 18:48:54,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 18:48:54,492 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-06-24 18:48:54,493 INFO L430 AbstractCegarLoop]: === Iteration 2 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 18:48:54,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 18:48:54,493 INFO L82 PathProgramCache]: Analyzing trace with hash 1034915674, now seen corresponding path program 1 times [2021-06-24 18:48:54,493 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 18:48:54,493 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167890591] [2021-06-24 18:48:54,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 18:48:54,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 18:48:54,514 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 18:48:54,515 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 18:48:54,515 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167890591] [2021-06-24 18:48:54,515 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [167890591] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-24 18:48:54,515 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-24 18:48:54,515 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-24 18:48:54,515 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317712407] [2021-06-24 18:48:54,515 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-24 18:48:54,515 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 18:48:54,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-24 18:48:54,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-24 18:48:54,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 18:48:54,516 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 18:48:54,516 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-24 18:48:54,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 18:48:54,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 18:48:54,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 18:48:54,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 18:48:54,540 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-06-24 18:48:54,541 INFO L430 AbstractCegarLoop]: === Iteration 3 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 18:48:54,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 18:48:54,541 INFO L82 PathProgramCache]: Analyzing trace with hash 1656847723, now seen corresponding path program 1 times [2021-06-24 18:48:54,541 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 18:48:54,541 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276777996] [2021-06-24 18:48:54,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 18:48:54,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 18:48:54,578 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-24 18:48:54,579 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 18:48:54,579 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276777996] [2021-06-24 18:48:54,582 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276777996] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-24 18:48:54,582 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-24 18:48:54,582 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-24 18:48:54,582 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523678373] [2021-06-24 18:48:54,583 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-24 18:48:54,583 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 18:48:54,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-24 18:48:54,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2021-06-24 18:48:54,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 18:48:54,584 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 18:48:54,584 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 6 states have internal predecessors, (27), 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 18:48:54,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 18:48:54,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 18:48:54,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 18:48:55,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 18:48:55,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 18:48:55,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-24 18:48:55,239 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-06-24 18:48:55,239 INFO L301 ceAbstractionStarter]: Result for error location DeviceThreadThread1of1ForFork3 was SAFE (5/6) [2021-06-24 18:48:55,240 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-24 18:48:55,243 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-24 18:48:55,243 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-24 18:48:55,244 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-24 18:48:55,244 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-24 18:48:55,244 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-24 18:48:55,244 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-24 18:48:55,244 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-24 18:48:55,244 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == DeviceThreadThread1of1ForFork1======== [2021-06-24 18:48:55,245 INFO L430 AbstractCegarLoop]: === Iteration 1 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 18:48:55,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 18:48:55,245 INFO L82 PathProgramCache]: Analyzing trace with hash 1777457215, now seen corresponding path program 1 times [2021-06-24 18:48:55,245 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 18:48:55,245 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396959993] [2021-06-24 18:48:55,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 18:48:55,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 18:48:55,261 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 18:48:55,261 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 18:48:55,261 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396959993] [2021-06-24 18:48:55,261 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396959993] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-24 18:48:55,261 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-24 18:48:55,261 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-24 18:48:55,261 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816058050] [2021-06-24 18:48:55,261 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-24 18:48:55,261 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 18:48:55,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-24 18:48:55,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-24 18:48:55,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 18:48:55,262 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 18:48:55,262 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 18:48:55,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 18:48:55,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 18:48:55,315 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-06-24 18:48:55,315 INFO L430 AbstractCegarLoop]: === Iteration 2 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 18:48:55,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 18:48:55,316 INFO L82 PathProgramCache]: Analyzing trace with hash -307108784, now seen corresponding path program 1 times [2021-06-24 18:48:55,316 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 18:48:55,316 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272324211] [2021-06-24 18:48:55,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 18:48:55,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 18:48:55,321 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 18:48:55,321 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 18:48:55,322 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272324211] [2021-06-24 18:48:55,322 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [272324211] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-24 18:48:55,322 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-24 18:48:55,322 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-24 18:48:55,322 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886588647] [2021-06-24 18:48:55,322 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-24 18:48:55,322 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 18:48:55,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-24 18:48:55,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-24 18:48:55,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 18:48:55,323 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 18:48:55,323 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 18:48:55,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 18:48:55,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 18:48:55,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 18:48:55,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 18:48:55,361 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-06-24 18:48:55,361 INFO L430 AbstractCegarLoop]: === Iteration 3 === [DeviceThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-24 18:48:55,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-24 18:48:55,361 INFO L82 PathProgramCache]: Analyzing trace with hash -1845225943, now seen corresponding path program 1 times [2021-06-24 18:48:55,361 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-24 18:48:55,361 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715155589] [2021-06-24 18:48:55,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-24 18:48:55,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-24 18:48:55,395 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-24 18:48:55,395 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-24 18:48:55,395 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715155589] [2021-06-24 18:48:55,395 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715155589] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-24 18:48:55,395 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-24 18:48:55,395 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-24 18:48:55,395 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005302761] [2021-06-24 18:48:55,396 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-24 18:48:55,396 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-24 18:48:55,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-24 18:48:55,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2021-06-24 18:48:55,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-24 18:48:55,396 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-24 18:48:55,396 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 6 states have internal predecessors, (27), 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 18:48:55,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 18:48:55,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-24 18:48:55,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-24 18:48:56,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 18:48:56,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-24 18:48:56,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-24 18:48:56,149 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-06-24 18:48:56,150 INFO L301 ceAbstractionStarter]: Result for error location DeviceThreadThread1of1ForFork1 was SAFE (6/6) [2021-06-24 18:48:56,150 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-24 18:48:56,152 INFO L202 PluginConnector]: Adding new model bluetooth05.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.06 06:48:56 BasicIcfg [2021-06-24 18:48:56,152 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-24 18:48:56,153 INFO L168 Benchmark]: Toolchain (without parser) took 7428.00 ms. Allocated memory was 205.5 MB in the beginning and 1.2 GB in the end (delta: 994.1 MB). Free memory was 185.7 MB in the beginning and 723.8 MB in the end (delta: -538.2 MB). Peak memory consumption was 456.4 MB. Max. memory is 8.0 GB. [2021-06-24 18:48:56,153 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.09 ms. Allocated memory is still 205.5 MB. Free memory is still 186.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-24 18:48:56,153 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.38 ms. Allocated memory is still 205.5 MB. Free memory was 185.6 MB in the beginning and 183.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-24 18:48:56,153 INFO L168 Benchmark]: Boogie Preprocessor took 12.37 ms. Allocated memory is still 205.5 MB. Free memory was 183.8 MB in the beginning and 182.9 MB in the end (delta: 942.9 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-24 18:48:56,153 INFO L168 Benchmark]: RCFGBuilder took 231.44 ms. Allocated memory is still 205.5 MB. Free memory was 182.9 MB in the beginning and 170.0 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-06-24 18:48:56,153 INFO L168 Benchmark]: TraceAbstraction took 7126.66 ms. Allocated memory was 205.5 MB in the beginning and 1.2 GB in the end (delta: 994.1 MB). Free memory was 169.6 MB in the beginning and 723.8 MB in the end (delta: -554.3 MB). Peak memory consumption was 440.7 MB. Max. memory is 8.0 GB. [2021-06-24 18:48:56,154 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 0.09 ms. Allocated memory is still 205.5 MB. Free memory is still 186.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 26.38 ms. Allocated memory is still 205.5 MB. Free memory was 185.6 MB in the beginning and 183.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 12.37 ms. Allocated memory is still 205.5 MB. Free memory was 183.8 MB in the beginning and 182.9 MB in the end (delta: 942.9 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 231.44 ms. Allocated memory is still 205.5 MB. Free memory was 182.9 MB in the beginning and 170.0 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 7126.66 ms. Allocated memory was 205.5 MB in the beginning and 1.2 GB in the end (delta: 994.1 MB). Free memory was 169.6 MB in the beginning and 723.8 MB in the end (delta: -554.3 MB). Peak memory consumption was 440.7 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: 27212, positive: 23063, positive conditional: 23063, positive unconditional: 0, negative: 4149, negative conditional: 4149, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 24803, positive: 23063, positive conditional: 23063, positive unconditional: 0, negative: 1740, negative conditional: 1740, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 24803, positive: 23063, positive conditional: 0, positive unconditional: 23063, negative: 1740, negative conditional: 0, negative unconditional: 1740, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 368, positive: 340, positive conditional: 0, positive unconditional: 340, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 368, positive: 312, positive conditional: 0, positive unconditional: 312, negative: 56, negative conditional: 0, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 56, positive: 28, positive conditional: 0, positive unconditional: 28, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 56, positive: 28, positive conditional: 0, positive unconditional: 28, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 227, positive: 126, positive conditional: 0, positive unconditional: 126, negative: 101, negative conditional: 0, negative unconditional: 101, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 24803, positive: 22723, positive conditional: 0, positive unconditional: 22723, negative: 1712, negative conditional: 0, negative unconditional: 1712, unknown: 368, unknown conditional: 0, unknown unconditional: 368] , Statistics on independence cache: Total cache size (in pairs): 368, Positive cache size: 340, Positive conditional cache size: 0, Positive unconditional cache size: 340, Negative cache size: 28, Negative conditional cache size: 0, Negative unconditional cache size: 28 ], Maximal queried relation: 0, Independence queries for same thread: 2409 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 77221, positive: 74240, positive conditional: 74240, positive unconditional: 0, negative: 2981, negative conditional: 2981, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 74790, positive: 74240, positive conditional: 74240, positive unconditional: 0, negative: 550, negative conditional: 550, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 74790, positive: 69342, positive conditional: 0, positive unconditional: 69342, negative: 5448, negative conditional: 0, negative unconditional: 5448, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 471, positive: 435, positive conditional: 0, positive unconditional: 435, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 471, positive: 399, positive conditional: 0, positive unconditional: 399, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 72, positive: 36, positive conditional: 0, positive unconditional: 36, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 143, positive: 94, positive conditional: 58, positive unconditional: 36, negative: 49, negative conditional: 13, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 239, positive: 176, positive conditional: 93, positive unconditional: 82, negative: 63, negative conditional: 11, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 74790, positive: 68907, positive conditional: 0, positive unconditional: 68907, negative: 5412, negative conditional: 0, negative unconditional: 5412, unknown: 471, unknown conditional: 0, unknown unconditional: 471] , Statistics on independence cache: Total cache size (in pairs): 542, Positive cache size: 493, Positive conditional cache size: 58, Positive unconditional cache size: 435, Negative cache size: 49, Negative conditional cache size: 13, Negative unconditional cache size: 36, SemanticConditionEliminator.Independence Queries: [ total: 9255, positive: 4898, positive conditional: 4898, positive unconditional: 0, negative: 4357, negative conditional: 538, negative unconditional: 3819, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9255, positive: 4898, positive conditional: 4898, positive unconditional: 0, negative: 4357, negative conditional: 538, negative unconditional: 3819, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 143, positive: 94, positive conditional: 58, positive unconditional: 36, negative: 49, negative conditional: 13, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 239, positive: 176, positive conditional: 93, positive unconditional: 82, negative: 63, negative conditional: 11, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 9255, positive: 4840, positive conditional: 4840, positive unconditional: 0, negative: 4344, negative conditional: 525, negative unconditional: 3819, unknown: 71, unknown conditional: 71, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 542, Positive cache size: 493, Positive conditional cache size: 58, Positive unconditional cache size: 435, Negative cache size: 49, Negative conditional cache size: 13, Negative unconditional cache size: 36, Eliminated conditions: 3819, SemanticConditionEliminator.Independence Queries: [ total: 9255, positive: 4898, positive conditional: 4898, positive unconditional: 0, negative: 4357, negative conditional: 538, negative unconditional: 3819, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9255, positive: 4898, positive conditional: 4898, positive unconditional: 0, negative: 4357, negative conditional: 538, negative unconditional: 3819, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 143, positive: 94, positive conditional: 58, positive unconditional: 36, negative: 49, negative conditional: 13, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 239, positive: 176, positive conditional: 93, positive unconditional: 82, negative: 63, negative conditional: 11, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 9255, positive: 4840, positive conditional: 4840, positive unconditional: 0, negative: 4344, negative conditional: 525, negative unconditional: 3819, unknown: 71, unknown conditional: 71, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 542, Positive cache size: 493, Positive conditional cache size: 58, Positive unconditional cache size: 435, Negative cache size: 49, Negative conditional cache size: 13, Negative unconditional cache size: 36, Eliminated conditions: 3819, SemanticConditionEliminator.Independence Queries: [ total: 9255, positive: 4898, positive conditional: 4898, positive unconditional: 0, negative: 4357, negative conditional: 538, negative unconditional: 3819, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9255, positive: 4898, positive conditional: 4898, positive unconditional: 0, negative: 4357, negative conditional: 538, negative unconditional: 3819, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 143, positive: 94, positive conditional: 58, positive unconditional: 36, negative: 49, negative conditional: 13, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 239, positive: 176, positive conditional: 93, positive unconditional: 82, negative: 63, negative conditional: 11, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 9255, positive: 4840, positive conditional: 4840, positive unconditional: 0, negative: 4344, negative conditional: 525, negative unconditional: 3819, unknown: 71, unknown conditional: 71, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 542, Positive cache size: 493, Positive conditional cache size: 58, Positive unconditional cache size: 435, Negative cache size: 49, Negative conditional cache size: 13, Negative unconditional cache size: 36, Eliminated conditions: 3819 ], Maximal queried relation: 3, Independence queries for same thread: 2431 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 76774, positive: 75299, positive conditional: 75299, positive unconditional: 0, negative: 1475, negative conditional: 1475, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 75748, positive: 75299, positive conditional: 75299, positive unconditional: 0, negative: 449, negative conditional: 449, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 75748, positive: 71001, positive conditional: 0, positive unconditional: 71001, negative: 4747, negative conditional: 0, negative unconditional: 4747, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 500, positive: 463, positive conditional: 0, positive unconditional: 463, 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: 500, positive: 426, positive conditional: 0, positive unconditional: 426, negative: 74, negative conditional: 0, negative unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 74, positive: 37, positive conditional: 0, positive unconditional: 37, 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: 157, positive: 87, positive conditional: 50, positive unconditional: 37, negative: 70, negative conditional: 33, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 224, positive: 140, positive conditional: 47, positive unconditional: 93, negative: 84, negative conditional: 45, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 75748, positive: 70538, positive conditional: 0, positive unconditional: 70538, negative: 4710, negative conditional: 0, negative unconditional: 4710, unknown: 500, unknown conditional: 0, unknown unconditional: 500] , Statistics on independence cache: Total cache size (in pairs): 583, Positive cache size: 513, Positive conditional cache size: 50, Positive unconditional cache size: 463, Negative cache size: 70, Negative conditional cache size: 33, Negative unconditional cache size: 37, SemanticConditionEliminator.Independence Queries: [ total: 8249, positive: 4298, positive conditional: 4298, positive unconditional: 0, negative: 3951, negative conditional: 1177, negative unconditional: 2774, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8249, positive: 4298, positive conditional: 4298, positive unconditional: 0, negative: 3951, negative conditional: 1177, negative unconditional: 2774, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 157, positive: 87, positive conditional: 50, positive unconditional: 37, negative: 70, negative conditional: 33, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 224, positive: 140, positive conditional: 47, positive unconditional: 93, negative: 84, negative conditional: 45, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 8249, positive: 4248, positive conditional: 4248, positive unconditional: 0, negative: 3918, negative conditional: 1144, negative unconditional: 2774, unknown: 83, unknown conditional: 83, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 583, Positive cache size: 513, Positive conditional cache size: 50, Positive unconditional cache size: 463, Negative cache size: 70, Negative conditional cache size: 33, Negative unconditional cache size: 37, Eliminated conditions: 2774, SemanticConditionEliminator.Independence Queries: [ total: 8249, positive: 4298, positive conditional: 4298, positive unconditional: 0, negative: 3951, negative conditional: 1177, negative unconditional: 2774, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8249, positive: 4298, positive conditional: 4298, positive unconditional: 0, negative: 3951, negative conditional: 1177, negative unconditional: 2774, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 157, positive: 87, positive conditional: 50, positive unconditional: 37, negative: 70, negative conditional: 33, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 224, positive: 140, positive conditional: 47, positive unconditional: 93, negative: 84, negative conditional: 45, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 8249, positive: 4248, positive conditional: 4248, positive unconditional: 0, negative: 3918, negative conditional: 1144, negative unconditional: 2774, unknown: 83, unknown conditional: 83, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 583, Positive cache size: 513, Positive conditional cache size: 50, Positive unconditional cache size: 463, Negative cache size: 70, Negative conditional cache size: 33, Negative unconditional cache size: 37, Eliminated conditions: 2774, SemanticConditionEliminator.Independence Queries: [ total: 8249, positive: 4298, positive conditional: 4298, positive unconditional: 0, negative: 3951, negative conditional: 1177, negative unconditional: 2774, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8249, positive: 4298, positive conditional: 4298, positive unconditional: 0, negative: 3951, negative conditional: 1177, negative unconditional: 2774, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 157, positive: 87, positive conditional: 50, positive unconditional: 37, negative: 70, negative conditional: 33, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 224, positive: 140, positive conditional: 47, positive unconditional: 93, negative: 84, negative conditional: 45, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 8249, positive: 4248, positive conditional: 4248, positive unconditional: 0, negative: 3918, negative conditional: 1144, negative unconditional: 2774, unknown: 83, unknown conditional: 83, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 583, Positive cache size: 513, Positive conditional cache size: 50, Positive unconditional cache size: 463, Negative cache size: 70, Negative conditional cache size: 33, Negative unconditional cache size: 37, Eliminated conditions: 2774, SemanticConditionEliminator.Independence Queries: [ total: 8249, positive: 4298, positive conditional: 4298, positive unconditional: 0, negative: 3951, negative conditional: 1177, negative unconditional: 2774, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8249, positive: 4298, positive conditional: 4298, positive unconditional: 0, negative: 3951, negative conditional: 1177, negative unconditional: 2774, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 157, positive: 87, positive conditional: 50, positive unconditional: 37, negative: 70, negative conditional: 33, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 224, positive: 140, positive conditional: 47, positive unconditional: 93, negative: 84, negative conditional: 45, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 8249, positive: 4248, positive conditional: 4248, positive unconditional: 0, negative: 3918, negative conditional: 1144, negative unconditional: 2774, unknown: 83, unknown conditional: 83, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 583, Positive cache size: 513, Positive conditional cache size: 50, Positive unconditional cache size: 463, Negative cache size: 70, Negative conditional cache size: 33, Negative unconditional cache size: 37, Eliminated conditions: 2774 ], Maximal queried relation: 4, Independence queries for same thread: 1026 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 78967, positive: 75725, positive conditional: 75725, positive unconditional: 0, negative: 3242, negative conditional: 3242, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 76255, positive: 75725, positive conditional: 75725, positive unconditional: 0, negative: 530, negative conditional: 530, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 76255, positive: 70756, positive conditional: 0, positive unconditional: 70756, negative: 5499, negative conditional: 0, negative unconditional: 5499, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 469, positive: 433, positive conditional: 0, positive unconditional: 433, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 469, positive: 397, positive conditional: 0, positive unconditional: 397, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 72, positive: 36, positive conditional: 0, positive unconditional: 36, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 143, positive: 94, positive conditional: 58, positive unconditional: 36, negative: 49, negative conditional: 13, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 168, positive: 130, positive conditional: 55, positive unconditional: 75, negative: 38, negative conditional: 8, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 76255, positive: 70323, positive conditional: 0, positive unconditional: 70323, negative: 5463, negative conditional: 0, negative unconditional: 5463, unknown: 469, unknown conditional: 0, unknown unconditional: 469] , Statistics on independence cache: Total cache size (in pairs): 540, Positive cache size: 491, Positive conditional cache size: 58, Positive unconditional cache size: 433, Negative cache size: 49, Negative conditional cache size: 13, Negative unconditional cache size: 36, SemanticConditionEliminator.Independence Queries: [ total: 9224, positive: 4969, positive conditional: 4969, positive unconditional: 0, negative: 4255, negative conditional: 518, negative unconditional: 3737, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9224, positive: 4969, positive conditional: 4969, positive unconditional: 0, negative: 4255, negative conditional: 518, negative unconditional: 3737, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 143, positive: 94, positive conditional: 58, positive unconditional: 36, negative: 49, negative conditional: 13, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 168, positive: 130, positive conditional: 55, positive unconditional: 75, negative: 38, negative conditional: 8, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 9224, positive: 4911, positive conditional: 4911, positive unconditional: 0, negative: 4242, negative conditional: 505, negative unconditional: 3737, unknown: 71, unknown conditional: 71, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 540, Positive cache size: 491, Positive conditional cache size: 58, Positive unconditional cache size: 433, Negative cache size: 49, Negative conditional cache size: 13, Negative unconditional cache size: 36, Eliminated conditions: 3737, SemanticConditionEliminator.Independence Queries: [ total: 9224, positive: 4969, positive conditional: 4969, positive unconditional: 0, negative: 4255, negative conditional: 518, negative unconditional: 3737, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9224, positive: 4969, positive conditional: 4969, positive unconditional: 0, negative: 4255, negative conditional: 518, negative unconditional: 3737, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 143, positive: 94, positive conditional: 58, positive unconditional: 36, negative: 49, negative conditional: 13, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 168, positive: 130, positive conditional: 55, positive unconditional: 75, negative: 38, negative conditional: 8, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 9224, positive: 4911, positive conditional: 4911, positive unconditional: 0, negative: 4242, negative conditional: 505, negative unconditional: 3737, unknown: 71, unknown conditional: 71, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 540, Positive cache size: 491, Positive conditional cache size: 58, Positive unconditional cache size: 433, Negative cache size: 49, Negative conditional cache size: 13, Negative unconditional cache size: 36, Eliminated conditions: 3737, SemanticConditionEliminator.Independence Queries: [ total: 9224, positive: 4969, positive conditional: 4969, positive unconditional: 0, negative: 4255, negative conditional: 518, negative unconditional: 3737, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9224, positive: 4969, positive conditional: 4969, positive unconditional: 0, negative: 4255, negative conditional: 518, negative unconditional: 3737, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 143, positive: 94, positive conditional: 58, positive unconditional: 36, negative: 49, negative conditional: 13, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 168, positive: 130, positive conditional: 55, positive unconditional: 75, negative: 38, negative conditional: 8, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 9224, positive: 4911, positive conditional: 4911, positive unconditional: 0, negative: 4242, negative conditional: 505, negative unconditional: 3737, unknown: 71, unknown conditional: 71, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 540, Positive cache size: 491, Positive conditional cache size: 58, Positive unconditional cache size: 433, Negative cache size: 49, Negative conditional cache size: 13, Negative unconditional cache size: 36, Eliminated conditions: 3737 ], Maximal queried relation: 3, Independence queries for same thread: 2712 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 78617, positive: 75431, positive conditional: 75431, positive unconditional: 0, negative: 3186, negative conditional: 3186, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 75965, positive: 75431, positive conditional: 75431, positive unconditional: 0, negative: 534, negative conditional: 534, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 75965, positive: 70491, positive conditional: 0, positive unconditional: 70491, negative: 5474, negative conditional: 0, negative unconditional: 5474, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 470, positive: 434, positive conditional: 0, positive unconditional: 434, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 470, positive: 398, positive conditional: 0, positive unconditional: 398, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 72, positive: 36, positive conditional: 0, positive unconditional: 36, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 143, positive: 94, positive conditional: 58, positive unconditional: 36, negative: 49, negative conditional: 13, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 179, positive: 140, positive conditional: 68, positive unconditional: 72, negative: 39, negative conditional: 8, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 75965, positive: 70057, positive conditional: 0, positive unconditional: 70057, negative: 5438, negative conditional: 0, negative unconditional: 5438, unknown: 470, unknown conditional: 0, unknown unconditional: 470] , Statistics on independence cache: Total cache size (in pairs): 541, Positive cache size: 492, Positive conditional cache size: 58, Positive unconditional cache size: 434, Negative cache size: 49, Negative conditional cache size: 13, Negative unconditional cache size: 36, SemanticConditionEliminator.Independence Queries: [ total: 9210, positive: 4940, positive conditional: 4940, positive unconditional: 0, negative: 4270, negative conditional: 522, negative unconditional: 3748, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9210, positive: 4940, positive conditional: 4940, positive unconditional: 0, negative: 4270, negative conditional: 522, negative unconditional: 3748, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 143, positive: 94, positive conditional: 58, positive unconditional: 36, negative: 49, negative conditional: 13, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 179, positive: 140, positive conditional: 68, positive unconditional: 72, negative: 39, negative conditional: 8, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 9210, positive: 4882, positive conditional: 4882, positive unconditional: 0, negative: 4257, negative conditional: 509, negative unconditional: 3748, unknown: 71, unknown conditional: 71, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 541, Positive cache size: 492, Positive conditional cache size: 58, Positive unconditional cache size: 434, Negative cache size: 49, Negative conditional cache size: 13, Negative unconditional cache size: 36, Eliminated conditions: 3748, SemanticConditionEliminator.Independence Queries: [ total: 9210, positive: 4940, positive conditional: 4940, positive unconditional: 0, negative: 4270, negative conditional: 522, negative unconditional: 3748, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9210, positive: 4940, positive conditional: 4940, positive unconditional: 0, negative: 4270, negative conditional: 522, negative unconditional: 3748, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 143, positive: 94, positive conditional: 58, positive unconditional: 36, negative: 49, negative conditional: 13, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 179, positive: 140, positive conditional: 68, positive unconditional: 72, negative: 39, negative conditional: 8, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 9210, positive: 4882, positive conditional: 4882, positive unconditional: 0, negative: 4257, negative conditional: 509, negative unconditional: 3748, unknown: 71, unknown conditional: 71, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 541, Positive cache size: 492, Positive conditional cache size: 58, Positive unconditional cache size: 434, Negative cache size: 49, Negative conditional cache size: 13, Negative unconditional cache size: 36, Eliminated conditions: 3748, SemanticConditionEliminator.Independence Queries: [ total: 9210, positive: 4940, positive conditional: 4940, positive unconditional: 0, negative: 4270, negative conditional: 522, negative unconditional: 3748, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9210, positive: 4940, positive conditional: 4940, positive unconditional: 0, negative: 4270, negative conditional: 522, negative unconditional: 3748, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 143, positive: 94, positive conditional: 58, positive unconditional: 36, negative: 49, negative conditional: 13, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 179, positive: 140, positive conditional: 68, positive unconditional: 72, negative: 39, negative conditional: 8, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 9210, positive: 4882, positive conditional: 4882, positive unconditional: 0, negative: 4257, negative conditional: 509, negative unconditional: 3748, unknown: 71, unknown conditional: 71, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 541, Positive cache size: 492, Positive conditional cache size: 58, Positive unconditional cache size: 434, Negative cache size: 49, Negative conditional cache size: 13, Negative unconditional cache size: 36, Eliminated conditions: 3748 ], Maximal queried relation: 3, Independence queries for same thread: 2652 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 79940, positive: 76636, positive conditional: 76636, positive unconditional: 0, negative: 3304, negative conditional: 3304, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 77165, positive: 76636, positive conditional: 76636, positive unconditional: 0, negative: 529, negative conditional: 529, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 77165, positive: 71598, positive conditional: 0, positive unconditional: 71598, negative: 5567, negative conditional: 0, negative unconditional: 5567, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 468, positive: 432, positive conditional: 0, positive unconditional: 432, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 468, positive: 396, positive conditional: 0, positive unconditional: 396, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 72, positive: 36, positive conditional: 0, positive unconditional: 36, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 143, positive: 94, positive conditional: 58, positive unconditional: 36, negative: 49, negative conditional: 13, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 216, positive: 172, positive conditional: 50, positive unconditional: 122, negative: 44, negative conditional: 8, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 77165, positive: 71166, positive conditional: 0, positive unconditional: 71166, negative: 5531, negative conditional: 0, negative unconditional: 5531, unknown: 468, unknown conditional: 0, unknown unconditional: 468] , Statistics on independence cache: Total cache size (in pairs): 539, Positive cache size: 490, Positive conditional cache size: 58, Positive unconditional cache size: 432, Negative cache size: 49, Negative conditional cache size: 13, Negative unconditional cache size: 36, SemanticConditionEliminator.Independence Queries: [ total: 9291, positive: 5038, positive conditional: 5038, positive unconditional: 0, negative: 4253, negative conditional: 517, negative unconditional: 3736, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9291, positive: 5038, positive conditional: 5038, positive unconditional: 0, negative: 4253, negative conditional: 517, negative unconditional: 3736, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 143, positive: 94, positive conditional: 58, positive unconditional: 36, negative: 49, negative conditional: 13, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 216, positive: 172, positive conditional: 50, positive unconditional: 122, negative: 44, negative conditional: 8, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 9291, positive: 4980, positive conditional: 4980, positive unconditional: 0, negative: 4240, negative conditional: 504, negative unconditional: 3736, unknown: 71, unknown conditional: 71, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 539, Positive cache size: 490, Positive conditional cache size: 58, Positive unconditional cache size: 432, Negative cache size: 49, Negative conditional cache size: 13, Negative unconditional cache size: 36, Eliminated conditions: 3736, SemanticConditionEliminator.Independence Queries: [ total: 9291, positive: 5038, positive conditional: 5038, positive unconditional: 0, negative: 4253, negative conditional: 517, negative unconditional: 3736, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9291, positive: 5038, positive conditional: 5038, positive unconditional: 0, negative: 4253, negative conditional: 517, negative unconditional: 3736, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 143, positive: 94, positive conditional: 58, positive unconditional: 36, negative: 49, negative conditional: 13, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 216, positive: 172, positive conditional: 50, positive unconditional: 122, negative: 44, negative conditional: 8, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 9291, positive: 4980, positive conditional: 4980, positive unconditional: 0, negative: 4240, negative conditional: 504, negative unconditional: 3736, unknown: 71, unknown conditional: 71, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 539, Positive cache size: 490, Positive conditional cache size: 58, Positive unconditional cache size: 432, Negative cache size: 49, Negative conditional cache size: 13, Negative unconditional cache size: 36, Eliminated conditions: 3736, SemanticConditionEliminator.Independence Queries: [ total: 9291, positive: 5038, positive conditional: 5038, positive unconditional: 0, negative: 4253, negative conditional: 517, negative unconditional: 3736, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9291, positive: 5038, positive conditional: 5038, positive unconditional: 0, negative: 4253, negative conditional: 517, negative unconditional: 3736, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 143, positive: 94, positive conditional: 58, positive unconditional: 36, negative: 49, negative conditional: 13, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 216, positive: 172, positive conditional: 50, positive unconditional: 122, negative: 44, negative conditional: 8, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 9291, positive: 4980, positive conditional: 4980, positive unconditional: 0, negative: 4240, negative conditional: 504, negative unconditional: 3736, unknown: 71, unknown conditional: 71, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 539, Positive cache size: 490, Positive conditional cache size: 58, Positive unconditional cache size: 432, Negative cache size: 49, Negative conditional cache size: 13, Negative unconditional cache size: 36, Eliminated conditions: 3736 ], Maximal queried relation: 3, Independence queries for same thread: 2775 - PositiveResult [Line: 36]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 9 procedures, 60 locations, 12 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 908.5ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 8.6ms, PartialOrderReductionTime: 852.2ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: DeviceThreadThread1of1ForFork4 with 1 thread instances CFG has 9 procedures, 60 locations, 12 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1433.4ms, OverallIterations: 3, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.0ms, PartialOrderReductionTime: 1175.3ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 4.6ms SsaConstructionTime, 35.2ms SatisfiabilityAnalysisTime, 116.0ms InterpolantComputationTime, 60 NumberOfCodeBlocks, 60 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 57 ConstructedInterpolants, 0 QuantifiedInterpolants, 179 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 3/3 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: DeviceThreadThread1of1ForFork5 with 1 thread instances CFG has 9 procedures, 60 locations, 12 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2031.6ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.9ms, PartialOrderReductionTime: 1382.5ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 6.0ms SsaConstructionTime, 48.6ms SatisfiabilityAnalysisTime, 331.5ms InterpolantComputationTime, 120 NumberOfCodeBlocks, 120 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 115 ConstructedInterpolants, 0 QuantifiedInterpolants, 469 SizeOfPredicates, 1 NumberOfNonLiveVariables, 58 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 16/18 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 9 procedures, 60 locations, 12 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 911.8ms, OverallIterations: 3, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.8ms, PartialOrderReductionTime: 828.1ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.2ms SsaConstructionTime, 5.5ms SatisfiabilityAnalysisTime, 56.4ms InterpolantComputationTime, 52 NumberOfCodeBlocks, 52 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 49 ConstructedInterpolants, 0 QuantifiedInterpolants, 167 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 3/3 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: DeviceThreadThread1of1ForFork3 with 1 thread instances CFG has 9 procedures, 60 locations, 12 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 835.0ms, OverallIterations: 3, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.8ms, PartialOrderReductionTime: 743.6ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 4.9ms SsaConstructionTime, 7.1ms SatisfiabilityAnalysisTime, 56.9ms InterpolantComputationTime, 56 NumberOfCodeBlocks, 56 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 53 ConstructedInterpolants, 0 QuantifiedInterpolants, 173 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 3/3 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: DeviceThreadThread1of1ForFork1 with 1 thread instances CFG has 9 procedures, 60 locations, 12 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 909.6ms, OverallIterations: 3, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.7ms, PartialOrderReductionTime: 844.1ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.8ms SsaConstructionTime, 3.5ms SatisfiabilityAnalysisTime, 46.9ms InterpolantComputationTime, 48 NumberOfCodeBlocks, 48 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 45 ConstructedInterpolants, 0 QuantifiedInterpolants, 161 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 3/3 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...