/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-DelaySleepPersistent-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-serverassert03.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-1c3aa5735269c4be989a50fc1da9ea7b9492ef29-1c3aa57 [2021-07-01 12:23:15,285 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-01 12:23:15,287 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-01 12:23:15,310 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-01 12:23:15,319 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-01 12:23:15,320 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-01 12:23:15,320 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-01 12:23:15,321 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-01 12:23:15,322 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-01 12:23:15,322 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-01 12:23:15,324 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-01 12:23:15,325 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-01 12:23:15,326 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-01 12:23:15,327 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-01 12:23:15,328 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-01 12:23:15,328 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-01 12:23:15,330 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-07-01 12:23:15,336 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-01 12:23:15,336 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-01 12:23:15,337 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-01 12:23:15,337 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-DelaySleepPersistent-NoLbe.epf [2021-07-01 12:23:15,360 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-01 12:23:15,361 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-01 12:23:15,361 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-01 12:23:15,361 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-01 12:23:15,363 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-01 12:23:15,363 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-01 12:23:15,364 INFO L138 SettingsManager]: * Use SBE=true [2021-07-01 12:23:15,364 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-01 12:23:15,364 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-01 12:23:15,364 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-01 12:23:15,365 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-01 12:23:15,365 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-01 12:23:15,365 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-01 12:23:15,365 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-01 12:23:15,365 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-01 12:23:15,365 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-01 12:23:15,365 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-01 12:23:15,365 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-01 12:23:15,365 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-01 12:23:15,366 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-01 12:23:15,366 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-01 12:23:15,367 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-01 12:23:15,367 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-01 12:23:15,372 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-01 12:23:15,373 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-01 12:23:15,373 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-01 12:23:15,373 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-01 12:23:15,374 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-01 12:23:15,374 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-01 12:23:15,374 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-01 12:23:15,374 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-01 12:23:15,374 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-01 12:23:15,375 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_DELAY_SET [2021-07-01 12:23:15,375 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-01 12:23:15,614 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-01 12:23:15,634 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-01 12:23:15,636 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-01 12:23:15,637 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-01 12:23:15,638 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-01 12:23:15,638 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-serverassert03.bpl [2021-07-01 12:23:15,639 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-serverassert03.bpl' [2021-07-01 12:23:15,658 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-01 12:23:15,659 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-01 12:23:15,660 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-01 12:23:15,660 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-01 12:23:15,660 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-01 12:23:15,676 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth-serverassert03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 12:23:15" (1/1) ... [2021-07-01 12:23:15,681 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth-serverassert03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 12:23:15" (1/1) ... [2021-07-01 12:23:15,691 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-01 12:23:15,692 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-01 12:23:15,692 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-01 12:23:15,692 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-01 12:23:15,698 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth-serverassert03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 12:23:15" (1/1) ... [2021-07-01 12:23:15,698 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth-serverassert03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 12:23:15" (1/1) ... [2021-07-01 12:23:15,698 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth-serverassert03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 12:23:15" (1/1) ... [2021-07-01 12:23:15,698 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth-serverassert03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 12:23:15" (1/1) ... [2021-07-01 12:23:15,699 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth-serverassert03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 12:23:15" (1/1) ... [2021-07-01 12:23:15,702 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth-serverassert03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 12:23:15" (1/1) ... [2021-07-01 12:23:15,702 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth-serverassert03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 12:23:15" (1/1) ... [2021-07-01 12:23:15,703 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-01 12:23:15,703 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-01 12:23:15,703 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-01 12:23:15,703 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-01 12:23:15,706 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-serverassert03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 12:23:15" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-01 12:23:15,748 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration [2021-07-01 12:23:15,749 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThread [2021-07-01 12:23:15,749 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThread [2021-07-01 12:23:15,749 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration [2021-07-01 12:23:15,749 INFO L130 BoogieDeclarations]: Found specification of procedure ServerThread [2021-07-01 12:23:15,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ServerThread [2021-07-01 12:23:15,749 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-01 12:23:15,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-01 12:23:15,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-01 12:23:15,750 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-01 12:23:15,888 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-01 12:23:15,889 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-07-01 12:23:15,889 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadEXIT is neither atomic block end nor error location. [2021-07-01 12:23:15,891 INFO L202 PluginConnector]: Adding new model bluetooth-serverassert03.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 12:23:15 BoogieIcfgContainer [2021-07-01 12:23:15,891 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-01 12:23:15,892 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-01 12:23:15,892 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-01 12:23:15,894 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-01 12:23:15,894 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-serverassert03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 12:23:15" (1/2) ... [2021-07-01 12:23:15,895 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@123049fb and model type bluetooth-serverassert03.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 12:23:15, skipping insertion in model container [2021-07-01 12:23:15,895 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-serverassert03.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 12:23:15" (2/2) ... [2021-07-01 12:23:15,896 INFO L111 eAbstractionObserver]: Analyzing ICFG bluetooth-serverassert03.bpl [2021-07-01 12:23:15,900 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-01 12:23:15,900 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-01 12:23:15,900 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-01 12:23:15,901 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-01 12:23:15,923 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-01 12:23:15,938 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 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-01 12:23:16,002 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-01 12:23:16,002 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-01 12:23:16,003 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-01 12:23:16,003 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-01 12:23:16,003 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-01 12:23:16,003 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-01 12:23:16,003 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-01 12:23:16,003 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ServerThreadThread1of1ForFork0======== [2021-07-01 12:23:16,249 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 12:23:16,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 12:23:16,255 INFO L82 PathProgramCache]: Analyzing trace with hash 1074569651, now seen corresponding path program 1 times [2021-07-01 12:23:16,260 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 12:23:16,261 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807341586] [2021-07-01 12:23:16,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 12:23:16,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 12:23:16,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-01 12:23:16,378 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 12:23:16,379 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807341586] [2021-07-01 12:23:16,379 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807341586] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 12:23:16,379 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 12:23:16,379 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-01 12:23:16,380 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117663176] [2021-07-01 12:23:16,383 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-01 12:23:16,383 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 12:23:16,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-01 12:23:16,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-07-01 12:23:16,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 12:23:16,397 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 12:23:16,399 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 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) [2021-07-01 12:23:16,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 12:23:16,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 12:23:16,476 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-01 12:23:16,477 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 12:23:16,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 12:23:16,479 INFO L82 PathProgramCache]: Analyzing trace with hash -1938361368, now seen corresponding path program 1 times [2021-07-01 12:23:16,479 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 12:23:16,480 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083756899] [2021-07-01 12:23:16,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 12:23:16,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 12:23:16,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-01 12:23:16,514 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 12:23:16,514 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083756899] [2021-07-01 12:23:16,514 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083756899] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 12:23:16,514 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 12:23:16,515 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-01 12:23:16,515 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574872075] [2021-07-01 12:23:16,516 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-01 12:23:16,516 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 12:23:16,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-01 12:23:16,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-01 12:23:16,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 12:23:16,518 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 12:23:16,519 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-01 12:23:16,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 12:23:16,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 12:23:16,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 12:23:16,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 12:23:16,666 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-01 12:23:16,666 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 12:23:16,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 12:23:16,667 INFO L82 PathProgramCache]: Analyzing trace with hash -1254878097, now seen corresponding path program 1 times [2021-07-01 12:23:16,667 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 12:23:16,668 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728232579] [2021-07-01 12:23:16,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 12:23:16,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 12:23:16,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-01 12:23:16,741 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 12:23:16,741 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728232579] [2021-07-01 12:23:16,741 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728232579] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 12:23:16,741 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 12:23:16,742 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-01 12:23:16,742 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693372948] [2021-07-01 12:23:16,742 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-01 12:23:16,742 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 12:23:16,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-01 12:23:16,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-07-01 12:23:16,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 12:23:16,744 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 12:23:16,745 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 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) [2021-07-01 12:23:16,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 12:23:16,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 12:23:16,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 12:23:16,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 12:23:16,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 12:23:16,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 12:23:16,823 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-01 12:23:16,823 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 12:23:16,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 12:23:16,823 INFO L82 PathProgramCache]: Analyzing trace with hash -1255057587, now seen corresponding path program 2 times [2021-07-01 12:23:16,824 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 12:23:16,824 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794957242] [2021-07-01 12:23:16,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 12:23:16,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 12:23:16,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-01 12:23:16,893 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 12:23:16,894 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794957242] [2021-07-01 12:23:16,894 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794957242] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 12:23:16,894 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 12:23:16,895 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-01 12:23:16,895 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240149101] [2021-07-01 12:23:16,895 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-01 12:23:16,895 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 12:23:16,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-01 12:23:16,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-07-01 12:23:16,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 12:23:16,896 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 12:23:16,896 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 7 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) [2021-07-01 12:23:16,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 12:23:16,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 12:23:16,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 12:23:16,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 12:23:17,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 12:23:17,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 12:23:17,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 12:23:17,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-01 12:23:17,103 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-07-01 12:23:17,105 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 12:23:17,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 12:23:17,105 INFO L82 PathProgramCache]: Analyzing trace with hash 1321563177, now seen corresponding path program 1 times [2021-07-01 12:23:17,106 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 12:23:17,107 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945632937] [2021-07-01 12:23:17,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 12:23:17,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 12:23:17,182 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-01 12:23:17,182 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 12:23:17,183 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945632937] [2021-07-01 12:23:17,187 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945632937] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 12:23:17,187 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [194651410] [2021-07-01 12:23:17,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 12:23:17,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 12:23:17,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-01 12:23:17,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-01 12:23:17,353 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-01 12:23:17,353 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [194651410] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 12:23:17,353 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-01 12:23:17,353 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-07-01 12:23:17,354 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108646836] [2021-07-01 12:23:17,354 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-01 12:23:17,354 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 12:23:17,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-01 12:23:17,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-07-01 12:23:17,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 12:23:17,355 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 12:23:17,355 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-01 12:23:17,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 12:23:17,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 12:23:17,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 12:23:17,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-01 12:23:17,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 12:23:17,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 12:23:17,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 12:23:17,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 12:23:17,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-01 12:23:17,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-01 12:23:17,796 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 12:23:17,797 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 12:23:17,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 12:23:17,797 INFO L82 PathProgramCache]: Analyzing trace with hash 1503596138, now seen corresponding path program 1 times [2021-07-01 12:23:17,797 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 12:23:17,798 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155019709] [2021-07-01 12:23:17,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 12:23:17,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 12:23:17,884 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-01 12:23:17,884 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 12:23:17,884 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155019709] [2021-07-01 12:23:17,885 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155019709] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 12:23:17,885 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 12:23:17,885 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-07-01 12:23:17,885 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843139285] [2021-07-01 12:23:17,885 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-01 12:23:17,885 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 12:23:17,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-01 12:23:17,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2021-07-01 12:23:17,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 12:23:17,886 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 12:23:17,886 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 2.5) internal successors, (20), 7 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-01 12:23:17,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 12:23:17,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 12:23:17,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 12:23:17,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-01 12:23:17,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-01 12:23:17,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 12:23:18,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 12:23:18,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 12:23:18,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 12:23:18,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-01 12:23:18,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-01 12:23:18,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-01 12:23:18,051 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-07-01 12:23:18,062 INFO L301 ceAbstractionStarter]: Result for error location ServerThreadThread1of1ForFork0 was SAFE (1/2) [2021-07-01 12:23:18,063 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 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) [2021-07-01 12:23:18,076 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-01 12:23:18,076 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-01 12:23:18,076 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-01 12:23:18,076 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-01 12:23:18,076 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-01 12:23:18,076 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-01 12:23:18,076 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-01 12:23:18,076 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-01 12:23:18,116 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (2/2) [2021-07-01 12:23:18,117 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-01 12:23:18,118 INFO L202 PluginConnector]: Adding new model bluetooth-serverassert03.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 12:23:18 BasicIcfg [2021-07-01 12:23:18,118 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-01 12:23:18,119 INFO L168 Benchmark]: Toolchain (without parser) took 2459.92 ms. Allocated memory was 216.0 MB in the beginning and 283.1 MB in the end (delta: 67.1 MB). Free memory was 195.6 MB in the beginning and 242.3 MB in the end (delta: -46.7 MB). Peak memory consumption was 22.6 MB. Max. memory is 8.0 GB. [2021-07-01 12:23:18,119 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.10 ms. Allocated memory is still 216.0 MB. Free memory is still 196.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-01 12:23:18,119 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.66 ms. Allocated memory is still 216.0 MB. Free memory was 195.5 MB in the beginning and 193.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-07-01 12:23:18,119 INFO L168 Benchmark]: Boogie Preprocessor took 10.60 ms. Allocated memory is still 216.0 MB. Free memory was 193.8 MB in the beginning and 192.8 MB in the end (delta: 935.0 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-01 12:23:18,119 INFO L168 Benchmark]: RCFGBuilder took 187.50 ms. Allocated memory is still 216.0 MB. Free memory was 192.8 MB in the beginning and 179.9 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-07-01 12:23:18,120 INFO L168 Benchmark]: TraceAbstraction took 2226.47 ms. Allocated memory was 216.0 MB in the beginning and 283.1 MB in the end (delta: 67.1 MB). Free memory was 179.5 MB in the beginning and 242.3 MB in the end (delta: -62.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 8.0 GB. [2021-07-01 12:23:18,123 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 0.10 ms. Allocated memory is still 216.0 MB. Free memory is still 196.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 31.66 ms. Allocated memory is still 216.0 MB. Free memory was 195.5 MB in the beginning and 193.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 10.60 ms. Allocated memory is still 216.0 MB. Free memory was 193.8 MB in the beginning and 192.8 MB in the end (delta: 935.0 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 187.50 ms. Allocated memory is still 216.0 MB. Free memory was 192.8 MB in the beginning and 179.9 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2226.47 ms. Allocated memory was 216.0 MB in the beginning and 283.1 MB in the end (delta: 67.1 MB). Free memory was 179.5 MB in the beginning and 242.3 MB in the end (delta: -62.8 MB). Peak memory consumption was 5.8 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: 6600, positive: 6017, positive conditional: 5429, positive unconditional: 588, negative: 583, negative conditional: 523, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 6221, positive: 6017, positive conditional: 5429, positive unconditional: 588, negative: 204, negative conditional: 144, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 6221, positive: 5570, positive conditional: 0, positive unconditional: 5570, negative: 651, negative conditional: 0, negative unconditional: 651, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 424, positive: 388, positive conditional: 0, positive unconditional: 388, 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: 424, positive: 364, positive conditional: 0, positive unconditional: 364, negative: 60, negative conditional: 0, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 60, positive: 24, positive conditional: 0, positive unconditional: 24, 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: 171, positive: 57, positive conditional: 33, positive unconditional: 24, negative: 114, negative conditional: 78, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 399, positive: 119, positive conditional: 48, positive unconditional: 71, negative: 280, negative conditional: 121, negative unconditional: 159, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 6221, positive: 5182, positive conditional: 0, positive unconditional: 5182, negative: 615, negative conditional: 0, negative unconditional: 615, unknown: 424, unknown conditional: 0, unknown unconditional: 424] , Statistics on independence cache: Total cache size (in pairs): 535, Positive cache size: 421, Positive conditional cache size: 33, Positive unconditional cache size: 388, Negative cache size: 114, Negative conditional cache size: 78, Negative unconditional cache size: 36, SemanticConditionEliminator.Independence Queries: [ total: 1901, positive: 447, positive conditional: 447, positive unconditional: 0, negative: 1454, negative conditional: 720, negative unconditional: 734, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1901, positive: 447, positive conditional: 447, positive unconditional: 0, negative: 1454, negative conditional: 720, negative unconditional: 734, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 171, positive: 57, positive conditional: 33, positive unconditional: 24, negative: 114, negative conditional: 78, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 399, positive: 119, positive conditional: 48, positive unconditional: 71, negative: 280, negative conditional: 121, negative unconditional: 159, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1901, positive: 414, positive conditional: 414, positive unconditional: 0, negative: 1376, negative conditional: 642, negative unconditional: 734, unknown: 111, unknown conditional: 111, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 535, Positive cache size: 421, Positive conditional cache size: 33, Positive unconditional cache size: 388, Negative cache size: 114, Negative conditional cache size: 78, Negative unconditional cache size: 36, Eliminated conditions: 620, SemanticConditionEliminator.Independence Queries: [ total: 1901, positive: 447, positive conditional: 447, positive unconditional: 0, negative: 1454, negative conditional: 720, negative unconditional: 734, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1901, positive: 447, positive conditional: 447, positive unconditional: 0, negative: 1454, negative conditional: 720, negative unconditional: 734, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 171, positive: 57, positive conditional: 33, positive unconditional: 24, negative: 114, negative conditional: 78, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 399, positive: 119, positive conditional: 48, positive unconditional: 71, negative: 280, negative conditional: 121, negative unconditional: 159, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1901, positive: 414, positive conditional: 414, positive unconditional: 0, negative: 1376, negative conditional: 642, negative unconditional: 734, unknown: 111, unknown conditional: 111, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 535, Positive cache size: 421, Positive conditional cache size: 33, Positive unconditional cache size: 388, Negative cache size: 114, Negative conditional cache size: 78, Negative unconditional cache size: 36, Eliminated conditions: 620, SemanticConditionEliminator.Independence Queries: [ total: 1901, positive: 447, positive conditional: 447, positive unconditional: 0, negative: 1454, negative conditional: 720, negative unconditional: 734, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1901, positive: 447, positive conditional: 447, positive unconditional: 0, negative: 1454, negative conditional: 720, negative unconditional: 734, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 171, positive: 57, positive conditional: 33, positive unconditional: 24, negative: 114, negative conditional: 78, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 399, positive: 119, positive conditional: 48, positive unconditional: 71, negative: 280, negative conditional: 121, negative unconditional: 159, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1901, positive: 414, positive conditional: 414, positive unconditional: 0, negative: 1376, negative conditional: 642, negative unconditional: 734, unknown: 111, unknown conditional: 111, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 535, Positive cache size: 421, Positive conditional cache size: 33, Positive unconditional cache size: 388, Negative cache size: 114, Negative conditional cache size: 78, Negative unconditional cache size: 36, Eliminated conditions: 620, SemanticConditionEliminator.Independence Queries: [ total: 1901, positive: 447, positive conditional: 447, positive unconditional: 0, negative: 1454, negative conditional: 720, negative unconditional: 734, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1901, positive: 447, positive conditional: 447, positive unconditional: 0, negative: 1454, negative conditional: 720, negative unconditional: 734, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 171, positive: 57, positive conditional: 33, positive unconditional: 24, negative: 114, negative conditional: 78, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 399, positive: 119, positive conditional: 48, positive unconditional: 71, negative: 280, negative conditional: 121, negative unconditional: 159, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1901, positive: 414, positive conditional: 414, positive unconditional: 0, negative: 1376, negative conditional: 642, negative unconditional: 734, unknown: 111, unknown conditional: 111, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 535, Positive cache size: 421, Positive conditional cache size: 33, Positive unconditional cache size: 388, Negative cache size: 114, Negative conditional cache size: 78, Negative unconditional cache size: 36, Eliminated conditions: 620, SemanticConditionEliminator.Independence Queries: [ total: 1901, positive: 447, positive conditional: 447, positive unconditional: 0, negative: 1454, negative conditional: 720, negative unconditional: 734, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1901, positive: 447, positive conditional: 447, positive unconditional: 0, negative: 1454, negative conditional: 720, negative unconditional: 734, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 171, positive: 57, positive conditional: 33, positive unconditional: 24, negative: 114, negative conditional: 78, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 399, positive: 119, positive conditional: 48, positive unconditional: 71, negative: 280, negative conditional: 121, negative unconditional: 159, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1901, positive: 414, positive conditional: 414, positive unconditional: 0, negative: 1376, negative conditional: 642, negative unconditional: 734, unknown: 111, unknown conditional: 111, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 535, Positive cache size: 421, Positive conditional cache size: 33, Positive unconditional cache size: 388, Negative cache size: 114, Negative conditional cache size: 78, Negative unconditional cache size: 36, Eliminated conditions: 620, SemanticConditionEliminator.Independence Queries: [ total: 1901, positive: 447, positive conditional: 447, positive unconditional: 0, negative: 1454, negative conditional: 720, negative unconditional: 734, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1901, positive: 447, positive conditional: 447, positive unconditional: 0, negative: 1454, negative conditional: 720, negative unconditional: 734, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 171, positive: 57, positive conditional: 33, positive unconditional: 24, negative: 114, negative conditional: 78, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 399, positive: 119, positive conditional: 48, positive unconditional: 71, negative: 280, negative conditional: 121, negative unconditional: 159, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1901, positive: 414, positive conditional: 414, positive unconditional: 0, negative: 1376, negative conditional: 642, negative unconditional: 734, unknown: 111, unknown conditional: 111, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 535, Positive cache size: 421, Positive conditional cache size: 33, Positive unconditional cache size: 388, Negative cache size: 114, Negative conditional cache size: 78, Negative unconditional cache size: 36, Eliminated conditions: 620 ], Maximal queried relation: 6, Independence queries for same thread: 379 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 437, Number of persistent set computation: 1707, Number of trivial persistent sets: 1413, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 6600, positive: 6017, positive conditional: 5429, positive unconditional: 588, negative: 583, negative conditional: 523, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 6221, positive: 6017, positive conditional: 5429, positive unconditional: 588, negative: 204, negative conditional: 144, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 6221, positive: 5570, positive conditional: 0, positive unconditional: 5570, negative: 651, negative conditional: 0, negative unconditional: 651, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 424, positive: 388, positive conditional: 0, positive unconditional: 388, 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: 424, positive: 364, positive conditional: 0, positive unconditional: 364, negative: 60, negative conditional: 0, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 60, positive: 24, positive conditional: 0, positive unconditional: 24, 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: 171, positive: 57, positive conditional: 33, positive unconditional: 24, negative: 114, negative conditional: 78, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 399, positive: 119, positive conditional: 48, positive unconditional: 71, negative: 280, negative conditional: 121, negative unconditional: 159, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 6221, positive: 5182, positive conditional: 0, positive unconditional: 5182, negative: 615, negative conditional: 0, negative unconditional: 615, unknown: 424, unknown conditional: 0, unknown unconditional: 424] , Statistics on independence cache: Total cache size (in pairs): 535, Positive cache size: 421, Positive conditional cache size: 33, Positive unconditional cache size: 388, Negative cache size: 114, Negative conditional cache size: 78, Negative unconditional cache size: 36, SemanticConditionEliminator.Independence Queries: [ total: 1901, positive: 447, positive conditional: 447, positive unconditional: 0, negative: 1454, negative conditional: 720, negative unconditional: 734, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1901, positive: 447, positive conditional: 447, positive unconditional: 0, negative: 1454, negative conditional: 720, negative unconditional: 734, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 171, positive: 57, positive conditional: 33, positive unconditional: 24, negative: 114, negative conditional: 78, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 399, positive: 119, positive conditional: 48, positive unconditional: 71, negative: 280, negative conditional: 121, negative unconditional: 159, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1901, positive: 414, positive conditional: 414, positive unconditional: 0, negative: 1376, negative conditional: 642, negative unconditional: 734, unknown: 111, unknown conditional: 111, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 535, Positive cache size: 421, Positive conditional cache size: 33, Positive unconditional cache size: 388, Negative cache size: 114, Negative conditional cache size: 78, Negative unconditional cache size: 36, Eliminated conditions: 620, SemanticConditionEliminator.Independence Queries: [ total: 1901, positive: 447, positive conditional: 447, positive unconditional: 0, negative: 1454, negative conditional: 720, negative unconditional: 734, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1901, positive: 447, positive conditional: 447, positive unconditional: 0, negative: 1454, negative conditional: 720, negative unconditional: 734, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 171, positive: 57, positive conditional: 33, positive unconditional: 24, negative: 114, negative conditional: 78, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 399, positive: 119, positive conditional: 48, positive unconditional: 71, negative: 280, negative conditional: 121, negative unconditional: 159, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1901, positive: 414, positive conditional: 414, positive unconditional: 0, negative: 1376, negative conditional: 642, negative unconditional: 734, unknown: 111, unknown conditional: 111, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 535, Positive cache size: 421, Positive conditional cache size: 33, Positive unconditional cache size: 388, Negative cache size: 114, Negative conditional cache size: 78, Negative unconditional cache size: 36, Eliminated conditions: 620, SemanticConditionEliminator.Independence Queries: [ total: 1901, positive: 447, positive conditional: 447, positive unconditional: 0, negative: 1454, negative conditional: 720, negative unconditional: 734, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1901, positive: 447, positive conditional: 447, positive unconditional: 0, negative: 1454, negative conditional: 720, negative unconditional: 734, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 171, positive: 57, positive conditional: 33, positive unconditional: 24, negative: 114, negative conditional: 78, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 399, positive: 119, positive conditional: 48, positive unconditional: 71, negative: 280, negative conditional: 121, negative unconditional: 159, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1901, positive: 414, positive conditional: 414, positive unconditional: 0, negative: 1376, negative conditional: 642, negative unconditional: 734, unknown: 111, unknown conditional: 111, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 535, Positive cache size: 421, Positive conditional cache size: 33, Positive unconditional cache size: 388, Negative cache size: 114, Negative conditional cache size: 78, Negative unconditional cache size: 36, Eliminated conditions: 620, SemanticConditionEliminator.Independence Queries: [ total: 1901, positive: 447, positive conditional: 447, positive unconditional: 0, negative: 1454, negative conditional: 720, negative unconditional: 734, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1901, positive: 447, positive conditional: 447, positive unconditional: 0, negative: 1454, negative conditional: 720, negative unconditional: 734, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 171, positive: 57, positive conditional: 33, positive unconditional: 24, negative: 114, negative conditional: 78, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 399, positive: 119, positive conditional: 48, positive unconditional: 71, negative: 280, negative conditional: 121, negative unconditional: 159, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1901, positive: 414, positive conditional: 414, positive unconditional: 0, negative: 1376, negative conditional: 642, negative unconditional: 734, unknown: 111, unknown conditional: 111, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 535, Positive cache size: 421, Positive conditional cache size: 33, Positive unconditional cache size: 388, Negative cache size: 114, Negative conditional cache size: 78, Negative unconditional cache size: 36, Eliminated conditions: 620, SemanticConditionEliminator.Independence Queries: [ total: 1901, positive: 447, positive conditional: 447, positive unconditional: 0, negative: 1454, negative conditional: 720, negative unconditional: 734, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1901, positive: 447, positive conditional: 447, positive unconditional: 0, negative: 1454, negative conditional: 720, negative unconditional: 734, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 171, positive: 57, positive conditional: 33, positive unconditional: 24, negative: 114, negative conditional: 78, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 399, positive: 119, positive conditional: 48, positive unconditional: 71, negative: 280, negative conditional: 121, negative unconditional: 159, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1901, positive: 414, positive conditional: 414, positive unconditional: 0, negative: 1376, negative conditional: 642, negative unconditional: 734, unknown: 111, unknown conditional: 111, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 535, Positive cache size: 421, Positive conditional cache size: 33, Positive unconditional cache size: 388, Negative cache size: 114, Negative conditional cache size: 78, Negative unconditional cache size: 36, Eliminated conditions: 620, SemanticConditionEliminator.Independence Queries: [ total: 1901, positive: 447, positive conditional: 447, positive unconditional: 0, negative: 1454, negative conditional: 720, negative unconditional: 734, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1901, positive: 447, positive conditional: 447, positive unconditional: 0, negative: 1454, negative conditional: 720, negative unconditional: 734, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 171, positive: 57, positive conditional: 33, positive unconditional: 24, negative: 114, negative conditional: 78, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 399, positive: 119, positive conditional: 48, positive unconditional: 71, negative: 280, negative conditional: 121, negative unconditional: 159, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1901, positive: 414, positive conditional: 414, positive unconditional: 0, negative: 1376, negative conditional: 642, negative unconditional: 734, unknown: 111, unknown conditional: 111, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 535, Positive cache size: 421, Positive conditional cache size: 33, Positive unconditional cache size: 388, Negative cache size: 114, Negative conditional cache size: 78, Negative unconditional cache size: 36, Eliminated conditions: 620 ], Maximal queried relation: 6, Independence queries for same thread: 379 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 320, positive: 305, positive conditional: 14, positive unconditional: 291, negative: 15, negative conditional: 3, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 317, positive: 305, positive conditional: 14, positive unconditional: 291, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 317, positive: 305, positive conditional: 0, positive unconditional: 305, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 247, positive: 235, positive conditional: 0, positive unconditional: 235, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 247, positive: 226, positive conditional: 0, positive unconditional: 226, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 21, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 21, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 36, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 317, positive: 70, positive conditional: 0, positive unconditional: 70, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 247, unknown conditional: 0, unknown unconditional: 247] , Statistics on independence cache: Total cache size (in pairs): 247, Positive cache size: 235, Positive conditional cache size: 0, Positive unconditional cache size: 235, Negative cache size: 12, Negative conditional cache size: 0, Negative unconditional cache size: 12 ], Maximal queried relation: 0, Independence queries for same thread: 3 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 38, Number of persistent set computation: 18, Number of trivial persistent sets: 15, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 320, positive: 305, positive conditional: 14, positive unconditional: 291, negative: 15, negative conditional: 3, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 317, positive: 305, positive conditional: 14, positive unconditional: 291, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 317, positive: 305, positive conditional: 0, positive unconditional: 305, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 247, positive: 235, positive conditional: 0, positive unconditional: 235, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 247, positive: 226, positive conditional: 0, positive unconditional: 226, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 21, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 21, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 36, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 317, positive: 70, positive conditional: 0, positive unconditional: 70, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 247, unknown conditional: 0, unknown unconditional: 247] , Statistics on independence cache: Total cache size (in pairs): 247, Positive cache size: 235, Positive conditional cache size: 0, Positive unconditional cache size: 235, Negative cache size: 12, Negative conditional cache size: 0, Negative unconditional cache size: 12 ], Maximal queried relation: 0, Independence queries for same thread: 3 - PositiveResult [Line: 72]: 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: ServerThreadThread1of1ForFork0 with 1 thread instances CFG has 7 procedures, 42 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2110.9ms, OverallIterations: 6, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 8.1ms, PartialOrderReductionTime: 1136.2ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 33, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 11.6ms SsaConstructionTime, 65.7ms SatisfiabilityAnalysisTime, 450.1ms InterpolantComputationTime, 123 NumberOfCodeBlocks, 123 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 116 ConstructedInterpolants, 0 QuantifiedInterpolants, 562 SizeOfPredicates, 0 NumberOfNonLiveVariables, 42 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 8/10 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 42 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 52.5ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.6ms, PartialOrderReductionTime: 38.6ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...