/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-NewStatesSleepPersistentFixedOrder-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-serverassert08.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-1c3aa5735269c4be989a50fc1da9ea7b9492ef29-1c3aa57 [2021-07-01 12:48:20,057 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-01 12:48:20,058 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-01 12:48:20,092 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-01 12:48:20,099 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-01 12:48:20,100 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-01 12:48:20,100 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-01 12:48:20,101 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-01 12:48:20,102 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-01 12:48:20,102 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-01 12:48:20,104 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-01 12:48:20,105 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-01 12:48:20,106 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-01 12:48:20,106 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-01 12:48:20,107 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-01 12:48:20,108 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-01 12:48:20,109 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-07-01 12:48:20,114 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-01 12:48:20,126 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-01 12:48:20,127 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-01 12:48:20,128 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-NewStatesSleepPersistentFixedOrder-NoLbe.epf [2021-07-01 12:48:20,155 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-01 12:48:20,155 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-01 12:48:20,155 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-01 12:48:20,155 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-01 12:48:20,156 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-01 12:48:20,156 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-01 12:48:20,156 INFO L138 SettingsManager]: * Use SBE=true [2021-07-01 12:48:20,156 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-01 12:48:20,157 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-01 12:48:20,157 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-01 12:48:20,157 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-01 12:48:20,157 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-01 12:48:20,157 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-01 12:48:20,157 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-01 12:48:20,157 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-01 12:48:20,157 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-01 12:48:20,157 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-01 12:48:20,157 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-01 12:48:20,158 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-01 12:48:20,158 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-01 12:48:20,158 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-01 12:48:20,158 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-01 12:48:20,158 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-01 12:48:20,158 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-01 12:48:20,158 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-01 12:48:20,158 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-01 12:48:20,158 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-01 12:48:20,158 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-01 12:48:20,159 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-01 12:48:20,159 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-01 12:48:20,159 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-01 12:48:20,159 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-01 12:48:20,159 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-01 12:48:20,159 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-01 12:48:20,389 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-01 12:48:20,407 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-01 12:48:20,410 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-01 12:48:20,411 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-01 12:48:20,412 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-01 12:48:20,413 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-serverassert08.bpl [2021-07-01 12:48:20,413 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-serverassert08.bpl' [2021-07-01 12:48:20,430 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-01 12:48:20,431 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-01 12:48:20,432 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-01 12:48:20,432 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-01 12:48:20,432 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-01 12:48:20,441 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth-serverassert08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 12:48:20" (1/1) ... [2021-07-01 12:48:20,446 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth-serverassert08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 12:48:20" (1/1) ... [2021-07-01 12:48:20,457 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-01 12:48:20,458 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-01 12:48:20,458 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-01 12:48:20,458 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-01 12:48:20,463 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth-serverassert08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 12:48:20" (1/1) ... [2021-07-01 12:48:20,464 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth-serverassert08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 12:48:20" (1/1) ... [2021-07-01 12:48:20,464 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth-serverassert08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 12:48:20" (1/1) ... [2021-07-01 12:48:20,464 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth-serverassert08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 12:48:20" (1/1) ... [2021-07-01 12:48:20,466 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth-serverassert08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 12:48:20" (1/1) ... [2021-07-01 12:48:20,468 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth-serverassert08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 12:48:20" (1/1) ... [2021-07-01 12:48:20,469 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth-serverassert08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 12:48:20" (1/1) ... [2021-07-01 12:48:20,469 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-01 12:48:20,470 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-01 12:48:20,470 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-01 12:48:20,470 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-01 12:48:20,472 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-serverassert08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 12:48:20" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-01 12:48:20,533 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration [2021-07-01 12:48:20,533 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThread [2021-07-01 12:48:20,534 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThread [2021-07-01 12:48:20,534 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration [2021-07-01 12:48:20,534 INFO L130 BoogieDeclarations]: Found specification of procedure ServerThread [2021-07-01 12:48:20,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ServerThread [2021-07-01 12:48:20,534 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-01 12:48:20,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-01 12:48:20,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-01 12:48:20,535 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 12:48:20,741 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-01 12:48:20,742 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-07-01 12:48:20,742 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadEXIT is neither atomic block end nor error location. [2021-07-01 12:48:20,743 INFO L202 PluginConnector]: Adding new model bluetooth-serverassert08.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 12:48:20 BoogieIcfgContainer [2021-07-01 12:48:20,744 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-01 12:48:20,745 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-01 12:48:20,745 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-01 12:48:20,747 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-01 12:48:20,747 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-serverassert08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 12:48:20" (1/2) ... [2021-07-01 12:48:20,747 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@180fcea2 and model type bluetooth-serverassert08.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 12:48:20, skipping insertion in model container [2021-07-01 12:48:20,747 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-serverassert08.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 12:48:20" (2/2) ... [2021-07-01 12:48:20,748 INFO L111 eAbstractionObserver]: Analyzing ICFG bluetooth-serverassert08.bpl [2021-07-01 12:48:20,752 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-01 12:48:20,752 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-01 12:48:20,752 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-01 12:48:20,752 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-01 12:48:20,786 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-01 12:48:20,816 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 12:48:20,969 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-01 12:48:20,970 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-01 12:48:20,970 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-01 12:48:20,970 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-01 12:48:20,970 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-01 12:48:20,971 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-01 12:48:20,971 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-01 12:48:20,971 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ServerThreadThread1of1ForFork0======== [2021-07-01 12:48:21,501 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 12:48:21,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 12:48:21,507 INFO L82 PathProgramCache]: Analyzing trace with hash -1324219015, now seen corresponding path program 1 times [2021-07-01 12:48:21,513 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 12:48:21,514 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667221931] [2021-07-01 12:48:21,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 12:48:21,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 12:48:21,607 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 12:48:21,608 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 12:48:21,608 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667221931] [2021-07-01 12:48:21,609 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667221931] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 12:48:21,609 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 12:48:21,609 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-01 12:48:21,610 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749311638] [2021-07-01 12:48:21,612 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-01 12:48:21,613 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 12:48:21,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-01 12:48:21,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-07-01 12:48:21,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 12:48:21,626 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 12:48:21,627 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 12:48:21,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 12:48:21,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 12:48:21,749 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-01 12:48:21,750 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 12:48:21,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 12:48:21,752 INFO L82 PathProgramCache]: Analyzing trace with hash 1683543428, now seen corresponding path program 1 times [2021-07-01 12:48:21,752 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 12:48:21,753 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894614358] [2021-07-01 12:48:21,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 12:48:21,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 12:48:21,804 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 12:48:21,804 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 12:48:21,805 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894614358] [2021-07-01 12:48:21,805 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894614358] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 12:48:21,805 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 12:48:21,805 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-01 12:48:21,805 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853084978] [2021-07-01 12:48:21,806 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-01 12:48:21,806 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 12:48:21,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-01 12:48:21,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-01 12:48:21,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 12:48:21,807 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 12:48:21,807 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 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) [2021-07-01 12:48:21,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 12:48:21,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 12:48:22,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 12:48:22,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 12:48:22,983 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-01 12:48:22,984 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 12:48:22,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 12:48:22,984 INFO L82 PathProgramCache]: Analyzing trace with hash 1439566722, now seen corresponding path program 1 times [2021-07-01 12:48:22,984 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 12:48:22,985 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184903113] [2021-07-01 12:48:22,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 12:48:22,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 12:48:23,033 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 12:48:23,033 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 12:48:23,033 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184903113] [2021-07-01 12:48:23,034 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184903113] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 12:48:23,034 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 12:48:23,034 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-01 12:48:23,034 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878597033] [2021-07-01 12:48:23,034 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-01 12:48:23,034 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 12:48:23,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-01 12:48:23,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-07-01 12:48:23,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 12:48:23,035 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 12:48:23,036 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 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 12:48:23,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 12:48:23,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 12:48:23,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 12:48:24,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 12:48:24,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 12:48:24,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 12:48:24,015 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-01 12:48:24,015 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 12:48:24,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 12:48:24,015 INFO L82 PathProgramCache]: Analyzing trace with hash 1438851552, now seen corresponding path program 2 times [2021-07-01 12:48:24,016 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 12:48:24,016 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364463088] [2021-07-01 12:48:24,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 12:48:24,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 12:48:24,077 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 12:48:24,078 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 12:48:24,078 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364463088] [2021-07-01 12:48:24,079 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364463088] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 12:48:24,079 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 12:48:24,079 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-01 12:48:24,080 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103242481] [2021-07-01 12:48:24,080 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-01 12:48:24,080 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 12:48:24,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-01 12:48:24,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-07-01 12:48:24,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 12:48:24,081 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 12:48:24,081 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 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 12:48:24,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 12:48:24,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 12:48:24,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 12:48:24,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 12:48:25,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 12:48:25,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 12:48:25,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 12:48:25,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-01 12:48:25,216 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-07-01 12:48:25,216 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 12:48:25,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 12:48:25,216 INFO L82 PathProgramCache]: Analyzing trace with hash 1608959127, now seen corresponding path program 1 times [2021-07-01 12:48:25,217 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 12:48:25,217 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913398256] [2021-07-01 12:48:25,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 12:48:25,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 12:48:25,286 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-01 12:48:25,286 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 12:48:25,286 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913398256] [2021-07-01 12:48:25,287 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913398256] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 12:48:25,287 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [984431845] [2021-07-01 12:48:25,287 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 12:48:25,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 12:48:25,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 21 conjunts are in the unsatisfiable core [2021-07-01 12:48:25,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-01 12:48:25,515 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-01 12:48:25,516 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [984431845] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 12:48:25,516 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-01 12:48:25,516 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-07-01 12:48:25,516 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958516951] [2021-07-01 12:48:25,516 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-01 12:48:25,516 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 12:48:25,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-01 12:48:25,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-07-01 12:48:25,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 12:48:25,517 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 12:48:25,517 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 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 12:48:25,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 12:48:25,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 12:48:25,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 12:48:25,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-01 12:48:25,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 12:48:27,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 12:48:27,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 12:48:27,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 12:48:27,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-01 12:48:27,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-01 12:48:27,371 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 12:48:27,372 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 12:48:27,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 12:48:27,372 INFO L82 PathProgramCache]: Analyzing trace with hash -350206919, now seen corresponding path program 1 times [2021-07-01 12:48:27,373 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 12:48:27,373 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094902748] [2021-07-01 12:48:27,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 12:48:27,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 12:48:27,437 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-01 12:48:27,438 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 12:48:27,438 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094902748] [2021-07-01 12:48:27,438 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094902748] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 12:48:27,438 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [783624177] [2021-07-01 12:48:27,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 12:48:27,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 12:48:27,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 16 conjunts are in the unsatisfiable core [2021-07-01 12:48:27,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-01 12:48:27,633 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-01 12:48:27,633 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [783624177] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 12:48:27,633 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-01 12:48:27,634 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2021-07-01 12:48:27,634 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048032392] [2021-07-01 12:48:27,634 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-01 12:48:27,634 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 12:48:27,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-01 12:48:27,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2021-07-01 12:48:27,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 12:48:27,635 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 12:48:27,635 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 4.0) internal successors, (32), 7 states have internal predecessors, (32), 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 12:48:27,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 12:48:27,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 12:48:27,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 12:48:27,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-01 12:48:27,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-01 12:48:27,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 12:49:23,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 12:49:23,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 12:49:23,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 12:49:23,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-01 12:49:23,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-01 12:49:23,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-01 12:49:23,824 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 12:49:23,829 INFO L301 ceAbstractionStarter]: Result for error location ServerThreadThread1of1ForFork0 was SAFE (1/2) [2021-07-01 12:49:23,830 INFO L255 AbstractCegarLoop]: Starting to check reachability of 9 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-01 12:49:23,836 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-01 12:49:23,836 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-01 12:49:23,836 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-01 12:49:23,836 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-01 12:49:23,836 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-01 12:49:23,837 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-01 12:49:23,837 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-01 12:49:23,837 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-01 12:49:23,943 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (2/2) [2021-07-01 12:49:23,943 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-01 12:49:23,945 INFO L202 PluginConnector]: Adding new model bluetooth-serverassert08.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 12:49:23 BasicIcfg [2021-07-01 12:49:23,945 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-01 12:49:23,945 INFO L168 Benchmark]: Toolchain (without parser) took 63513.97 ms. Allocated memory was 181.4 MB in the beginning and 5.9 GB in the end (delta: 5.7 GB). Free memory was 162.7 MB in the beginning and 4.8 GB in the end (delta: -4.6 GB). Peak memory consumption was 1.1 GB. Max. memory is 8.0 GB. [2021-07-01 12:49:23,945 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.15 ms. Allocated memory is still 181.4 MB. Free memory is still 163.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-01 12:49:23,945 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.13 ms. Allocated memory is still 181.4 MB. Free memory was 162.6 MB in the beginning and 160.8 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-07-01 12:49:23,945 INFO L168 Benchmark]: Boogie Preprocessor took 11.54 ms. Allocated memory is still 181.4 MB. Free memory was 160.8 MB in the beginning and 159.9 MB in the end (delta: 947.1 kB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-01 12:49:23,945 INFO L168 Benchmark]: RCFGBuilder took 273.40 ms. Allocated memory is still 181.4 MB. Free memory was 159.8 MB in the beginning and 146.9 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-07-01 12:49:23,946 INFO L168 Benchmark]: TraceAbstraction took 63199.99 ms. Allocated memory was 181.4 MB in the beginning and 5.9 GB in the end (delta: 5.7 GB). Free memory was 146.4 MB in the beginning and 4.8 GB in the end (delta: -4.6 GB). Peak memory consumption was 1.1 GB. Max. memory is 8.0 GB. [2021-07-01 12:49:23,946 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.15 ms. Allocated memory is still 181.4 MB. Free memory is still 163.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 25.13 ms. Allocated memory is still 181.4 MB. Free memory was 162.6 MB in the beginning and 160.8 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 8.0 GB. * Boogie Preprocessor took 11.54 ms. Allocated memory is still 181.4 MB. Free memory was 160.8 MB in the beginning and 159.9 MB in the end (delta: 947.1 kB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 273.40 ms. Allocated memory is still 181.4 MB. Free memory was 159.8 MB in the beginning and 146.9 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 63199.99 ms. Allocated memory was 181.4 MB in the beginning and 5.9 GB in the end (delta: 5.7 GB). Free memory was 146.4 MB in the beginning and 4.8 GB in the end (delta: -4.6 GB). Peak memory consumption was 1.1 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2197898, positive: 2099383, positive conditional: 2096527, positive unconditional: 2856, negative: 98515, negative conditional: 98292, negative unconditional: 223, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 2124929, positive: 2099383, positive conditional: 2096527, positive unconditional: 2856, negative: 25546, negative conditional: 25323, negative unconditional: 223, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 2124929, positive: 1812470, positive conditional: 0, positive unconditional: 1812470, negative: 312459, negative conditional: 0, negative unconditional: 312459, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1637, positive: 1475, positive conditional: 0, positive unconditional: 1475, negative: 162, negative conditional: 0, negative unconditional: 162, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1637, positive: 1336, positive conditional: 0, positive unconditional: 1336, negative: 301, negative conditional: 0, negative unconditional: 301, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 301, positive: 139, positive conditional: 0, positive unconditional: 139, negative: 162, negative conditional: 0, negative unconditional: 162, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 844, positive: 353, positive conditional: 214, positive unconditional: 139, negative: 491, negative conditional: 329, negative unconditional: 162, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1423, positive: 608, positive conditional: 271, positive unconditional: 337, negative: 816, negative conditional: 477, negative unconditional: 338, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2124929, positive: 1810995, positive conditional: 0, positive unconditional: 1810995, negative: 312297, negative conditional: 0, negative unconditional: 312297, unknown: 1637, unknown conditional: 0, unknown unconditional: 1637] , Statistics on independence cache: Total cache size (in pairs): 2180, Positive cache size: 1689, Positive conditional cache size: 214, Positive unconditional cache size: 1475, Negative cache size: 491, Negative conditional cache size: 329, Negative unconditional cache size: 162, SemanticConditionEliminator.Independence Queries: [ total: 931030, positive: 286913, positive conditional: 286913, positive unconditional: 0, negative: 644117, negative conditional: 311979, negative unconditional: 332138, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 931030, positive: 286913, positive conditional: 286913, positive unconditional: 0, negative: 644117, negative conditional: 311979, negative unconditional: 332138, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 844, positive: 353, positive conditional: 214, positive unconditional: 139, negative: 491, negative conditional: 329, negative unconditional: 162, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1423, positive: 608, positive conditional: 271, positive unconditional: 337, negative: 816, negative conditional: 477, negative unconditional: 338, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 931030, positive: 286699, positive conditional: 286699, positive unconditional: 0, negative: 643788, negative conditional: 311650, negative unconditional: 332138, unknown: 543, unknown conditional: 543, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2180, Positive cache size: 1689, Positive conditional cache size: 214, Positive unconditional cache size: 1475, Negative cache size: 491, Negative conditional cache size: 329, Negative unconditional cache size: 162, Eliminated conditions: 331595, SemanticConditionEliminator.Independence Queries: [ total: 931030, positive: 286913, positive conditional: 286913, positive unconditional: 0, negative: 644117, negative conditional: 311979, negative unconditional: 332138, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 931030, positive: 286913, positive conditional: 286913, positive unconditional: 0, negative: 644117, negative conditional: 311979, negative unconditional: 332138, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 844, positive: 353, positive conditional: 214, positive unconditional: 139, negative: 491, negative conditional: 329, negative unconditional: 162, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1423, positive: 608, positive conditional: 271, positive unconditional: 337, negative: 816, negative conditional: 477, negative unconditional: 338, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 931030, positive: 286699, positive conditional: 286699, positive unconditional: 0, negative: 643788, negative conditional: 311650, negative unconditional: 332138, unknown: 543, unknown conditional: 543, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2180, Positive cache size: 1689, Positive conditional cache size: 214, Positive unconditional cache size: 1475, Negative cache size: 491, Negative conditional cache size: 329, Negative unconditional cache size: 162, Eliminated conditions: 331595, SemanticConditionEliminator.Independence Queries: [ total: 931030, positive: 286913, positive conditional: 286913, positive unconditional: 0, negative: 644117, negative conditional: 311979, negative unconditional: 332138, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 931030, positive: 286913, positive conditional: 286913, positive unconditional: 0, negative: 644117, negative conditional: 311979, negative unconditional: 332138, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 844, positive: 353, positive conditional: 214, positive unconditional: 139, negative: 491, negative conditional: 329, negative unconditional: 162, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1423, positive: 608, positive conditional: 271, positive unconditional: 337, negative: 816, negative conditional: 477, negative unconditional: 338, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 931030, positive: 286699, positive conditional: 286699, positive unconditional: 0, negative: 643788, negative conditional: 311650, negative unconditional: 332138, unknown: 543, unknown conditional: 543, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2180, Positive cache size: 1689, Positive conditional cache size: 214, Positive unconditional cache size: 1475, Negative cache size: 491, Negative conditional cache size: 329, Negative unconditional cache size: 162, Eliminated conditions: 331595, SemanticConditionEliminator.Independence Queries: [ total: 931030, positive: 286913, positive conditional: 286913, positive unconditional: 0, negative: 644117, negative conditional: 311979, negative unconditional: 332138, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 931030, positive: 286913, positive conditional: 286913, positive unconditional: 0, negative: 644117, negative conditional: 311979, negative unconditional: 332138, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 844, positive: 353, positive conditional: 214, positive unconditional: 139, negative: 491, negative conditional: 329, negative unconditional: 162, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1423, positive: 608, positive conditional: 271, positive unconditional: 337, negative: 816, negative conditional: 477, negative unconditional: 338, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 931030, positive: 286699, positive conditional: 286699, positive unconditional: 0, negative: 643788, negative conditional: 311650, negative unconditional: 332138, unknown: 543, unknown conditional: 543, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2180, Positive cache size: 1689, Positive conditional cache size: 214, Positive unconditional cache size: 1475, Negative cache size: 491, Negative conditional cache size: 329, Negative unconditional cache size: 162, Eliminated conditions: 331595, SemanticConditionEliminator.Independence Queries: [ total: 931030, positive: 286913, positive conditional: 286913, positive unconditional: 0, negative: 644117, negative conditional: 311979, negative unconditional: 332138, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 931030, positive: 286913, positive conditional: 286913, positive unconditional: 0, negative: 644117, negative conditional: 311979, negative unconditional: 332138, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 844, positive: 353, positive conditional: 214, positive unconditional: 139, negative: 491, negative conditional: 329, negative unconditional: 162, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1423, positive: 608, positive conditional: 271, positive unconditional: 337, negative: 816, negative conditional: 477, negative unconditional: 338, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 931030, positive: 286699, positive conditional: 286699, positive unconditional: 0, negative: 643788, negative conditional: 311650, negative unconditional: 332138, unknown: 543, unknown conditional: 543, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2180, Positive cache size: 1689, Positive conditional cache size: 214, Positive unconditional cache size: 1475, Negative cache size: 491, Negative conditional cache size: 329, Negative unconditional cache size: 162, Eliminated conditions: 331595, SemanticConditionEliminator.Independence Queries: [ total: 931030, positive: 286913, positive conditional: 286913, positive unconditional: 0, negative: 644117, negative conditional: 311979, negative unconditional: 332138, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 931030, positive: 286913, positive conditional: 286913, positive unconditional: 0, negative: 644117, negative conditional: 311979, negative unconditional: 332138, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 844, positive: 353, positive conditional: 214, positive unconditional: 139, negative: 491, negative conditional: 329, negative unconditional: 162, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1423, positive: 608, positive conditional: 271, positive unconditional: 337, negative: 816, negative conditional: 477, negative unconditional: 338, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 931030, positive: 286699, positive conditional: 286699, positive unconditional: 0, negative: 643788, negative conditional: 311650, negative unconditional: 332138, unknown: 543, unknown conditional: 543, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2180, Positive cache size: 1689, Positive conditional cache size: 214, Positive unconditional cache size: 1475, Negative cache size: 491, Negative conditional cache size: 329, Negative unconditional cache size: 162, Eliminated conditions: 331595 ], Maximal queried relation: 6, Independence queries for same thread: 72969 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 41799, Number of persistent set computation: 388622, Number of trivial persistent sets: 388202, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2197898, positive: 2099383, positive conditional: 2096527, positive unconditional: 2856, negative: 98515, negative conditional: 98292, negative unconditional: 223, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 2124929, positive: 2099383, positive conditional: 2096527, positive unconditional: 2856, negative: 25546, negative conditional: 25323, negative unconditional: 223, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 2124929, positive: 1812470, positive conditional: 0, positive unconditional: 1812470, negative: 312459, negative conditional: 0, negative unconditional: 312459, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1637, positive: 1475, positive conditional: 0, positive unconditional: 1475, negative: 162, negative conditional: 0, negative unconditional: 162, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1637, positive: 1336, positive conditional: 0, positive unconditional: 1336, negative: 301, negative conditional: 0, negative unconditional: 301, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 301, positive: 139, positive conditional: 0, positive unconditional: 139, negative: 162, negative conditional: 0, negative unconditional: 162, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 844, positive: 353, positive conditional: 214, positive unconditional: 139, negative: 491, negative conditional: 329, negative unconditional: 162, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1423, positive: 608, positive conditional: 271, positive unconditional: 337, negative: 816, negative conditional: 477, negative unconditional: 338, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2124929, positive: 1810995, positive conditional: 0, positive unconditional: 1810995, negative: 312297, negative conditional: 0, negative unconditional: 312297, unknown: 1637, unknown conditional: 0, unknown unconditional: 1637] , Statistics on independence cache: Total cache size (in pairs): 2180, Positive cache size: 1689, Positive conditional cache size: 214, Positive unconditional cache size: 1475, Negative cache size: 491, Negative conditional cache size: 329, Negative unconditional cache size: 162, SemanticConditionEliminator.Independence Queries: [ total: 931030, positive: 286913, positive conditional: 286913, positive unconditional: 0, negative: 644117, negative conditional: 311979, negative unconditional: 332138, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 931030, positive: 286913, positive conditional: 286913, positive unconditional: 0, negative: 644117, negative conditional: 311979, negative unconditional: 332138, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 844, positive: 353, positive conditional: 214, positive unconditional: 139, negative: 491, negative conditional: 329, negative unconditional: 162, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1423, positive: 608, positive conditional: 271, positive unconditional: 337, negative: 816, negative conditional: 477, negative unconditional: 338, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 931030, positive: 286699, positive conditional: 286699, positive unconditional: 0, negative: 643788, negative conditional: 311650, negative unconditional: 332138, unknown: 543, unknown conditional: 543, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2180, Positive cache size: 1689, Positive conditional cache size: 214, Positive unconditional cache size: 1475, Negative cache size: 491, Negative conditional cache size: 329, Negative unconditional cache size: 162, Eliminated conditions: 331595, SemanticConditionEliminator.Independence Queries: [ total: 931030, positive: 286913, positive conditional: 286913, positive unconditional: 0, negative: 644117, negative conditional: 311979, negative unconditional: 332138, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 931030, positive: 286913, positive conditional: 286913, positive unconditional: 0, negative: 644117, negative conditional: 311979, negative unconditional: 332138, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 844, positive: 353, positive conditional: 214, positive unconditional: 139, negative: 491, negative conditional: 329, negative unconditional: 162, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1423, positive: 608, positive conditional: 271, positive unconditional: 337, negative: 816, negative conditional: 477, negative unconditional: 338, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 931030, positive: 286699, positive conditional: 286699, positive unconditional: 0, negative: 643788, negative conditional: 311650, negative unconditional: 332138, unknown: 543, unknown conditional: 543, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2180, Positive cache size: 1689, Positive conditional cache size: 214, Positive unconditional cache size: 1475, Negative cache size: 491, Negative conditional cache size: 329, Negative unconditional cache size: 162, Eliminated conditions: 331595, SemanticConditionEliminator.Independence Queries: [ total: 931030, positive: 286913, positive conditional: 286913, positive unconditional: 0, negative: 644117, negative conditional: 311979, negative unconditional: 332138, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 931030, positive: 286913, positive conditional: 286913, positive unconditional: 0, negative: 644117, negative conditional: 311979, negative unconditional: 332138, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 844, positive: 353, positive conditional: 214, positive unconditional: 139, negative: 491, negative conditional: 329, negative unconditional: 162, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1423, positive: 608, positive conditional: 271, positive unconditional: 337, negative: 816, negative conditional: 477, negative unconditional: 338, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 931030, positive: 286699, positive conditional: 286699, positive unconditional: 0, negative: 643788, negative conditional: 311650, negative unconditional: 332138, unknown: 543, unknown conditional: 543, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2180, Positive cache size: 1689, Positive conditional cache size: 214, Positive unconditional cache size: 1475, Negative cache size: 491, Negative conditional cache size: 329, Negative unconditional cache size: 162, Eliminated conditions: 331595, SemanticConditionEliminator.Independence Queries: [ total: 931030, positive: 286913, positive conditional: 286913, positive unconditional: 0, negative: 644117, negative conditional: 311979, negative unconditional: 332138, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 931030, positive: 286913, positive conditional: 286913, positive unconditional: 0, negative: 644117, negative conditional: 311979, negative unconditional: 332138, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 844, positive: 353, positive conditional: 214, positive unconditional: 139, negative: 491, negative conditional: 329, negative unconditional: 162, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1423, positive: 608, positive conditional: 271, positive unconditional: 337, negative: 816, negative conditional: 477, negative unconditional: 338, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 931030, positive: 286699, positive conditional: 286699, positive unconditional: 0, negative: 643788, negative conditional: 311650, negative unconditional: 332138, unknown: 543, unknown conditional: 543, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2180, Positive cache size: 1689, Positive conditional cache size: 214, Positive unconditional cache size: 1475, Negative cache size: 491, Negative conditional cache size: 329, Negative unconditional cache size: 162, Eliminated conditions: 331595, SemanticConditionEliminator.Independence Queries: [ total: 931030, positive: 286913, positive conditional: 286913, positive unconditional: 0, negative: 644117, negative conditional: 311979, negative unconditional: 332138, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 931030, positive: 286913, positive conditional: 286913, positive unconditional: 0, negative: 644117, negative conditional: 311979, negative unconditional: 332138, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 844, positive: 353, positive conditional: 214, positive unconditional: 139, negative: 491, negative conditional: 329, negative unconditional: 162, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1423, positive: 608, positive conditional: 271, positive unconditional: 337, negative: 816, negative conditional: 477, negative unconditional: 338, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 931030, positive: 286699, positive conditional: 286699, positive unconditional: 0, negative: 643788, negative conditional: 311650, negative unconditional: 332138, unknown: 543, unknown conditional: 543, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2180, Positive cache size: 1689, Positive conditional cache size: 214, Positive unconditional cache size: 1475, Negative cache size: 491, Negative conditional cache size: 329, Negative unconditional cache size: 162, Eliminated conditions: 331595, SemanticConditionEliminator.Independence Queries: [ total: 931030, positive: 286913, positive conditional: 286913, positive unconditional: 0, negative: 644117, negative conditional: 311979, negative unconditional: 332138, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 931030, positive: 286913, positive conditional: 286913, positive unconditional: 0, negative: 644117, negative conditional: 311979, negative unconditional: 332138, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 844, positive: 353, positive conditional: 214, positive unconditional: 139, negative: 491, negative conditional: 329, negative unconditional: 162, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1423, positive: 608, positive conditional: 271, positive unconditional: 337, negative: 816, negative conditional: 477, negative unconditional: 338, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 931030, positive: 286699, positive conditional: 286699, positive unconditional: 0, negative: 643788, negative conditional: 311650, negative unconditional: 332138, unknown: 543, unknown conditional: 543, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2180, Positive cache size: 1689, Positive conditional cache size: 214, Positive unconditional cache size: 1475, Negative cache size: 491, Negative conditional cache size: 329, Negative unconditional cache size: 162, Eliminated conditions: 331595 ], Maximal queried relation: 6, Independence queries for same thread: 72969 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2373, positive: 2273, positive conditional: 329, positive unconditional: 1944, negative: 100, negative conditional: 28, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 2345, positive: 2273, positive conditional: 329, positive unconditional: 1944, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 2345, positive: 2273, positive conditional: 0, positive unconditional: 2273, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1400, positive: 1328, positive conditional: 0, positive unconditional: 1328, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1400, positive: 1264, positive conditional: 0, positive unconditional: 1264, negative: 136, negative conditional: 0, negative unconditional: 136, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 136, positive: 64, positive conditional: 0, positive unconditional: 64, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 136, positive: 64, positive conditional: 0, positive unconditional: 64, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 98, positive: 30, positive conditional: 0, positive unconditional: 30, negative: 67, negative conditional: 0, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2345, positive: 945, positive conditional: 0, positive unconditional: 945, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1400, unknown conditional: 0, unknown unconditional: 1400] , Statistics on independence cache: Total cache size (in pairs): 1400, Positive cache size: 1328, Positive conditional cache size: 0, Positive unconditional cache size: 1328, Negative cache size: 72, Negative conditional cache size: 0, Negative unconditional cache size: 72 ], Maximal queried relation: 0, Independence queries for same thread: 28 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 103, Number of persistent set computation: 18, Number of trivial persistent sets: 10, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2373, positive: 2273, positive conditional: 329, positive unconditional: 1944, negative: 100, negative conditional: 28, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 2345, positive: 2273, positive conditional: 329, positive unconditional: 1944, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 2345, positive: 2273, positive conditional: 0, positive unconditional: 2273, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1400, positive: 1328, positive conditional: 0, positive unconditional: 1328, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1400, positive: 1264, positive conditional: 0, positive unconditional: 1264, negative: 136, negative conditional: 0, negative unconditional: 136, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 136, positive: 64, positive conditional: 0, positive unconditional: 64, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 136, positive: 64, positive conditional: 0, positive unconditional: 64, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 98, positive: 30, positive conditional: 0, positive unconditional: 30, negative: 67, negative conditional: 0, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2345, positive: 945, positive conditional: 0, positive unconditional: 945, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1400, unknown conditional: 0, unknown unconditional: 1400] , Statistics on independence cache: Total cache size (in pairs): 1400, Positive cache size: 1328, Positive conditional cache size: 0, Positive unconditional cache size: 1328, Negative cache size: 72, Negative conditional cache size: 0, Negative unconditional cache size: 72 ], Maximal queried relation: 0, Independence queries for same thread: 28 - PositiveResult [Line: 77]: 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 12 procedures, 67 locations, 11 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 63002.9ms, OverallIterations: 6, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 16.8ms, PartialOrderReductionTime: 61547.0ms, 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: 19.1ms SsaConstructionTime, 72.6ms SatisfiabilityAnalysisTime, 618.9ms InterpolantComputationTime, 229 NumberOfCodeBlocks, 229 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 221 ConstructedInterpolants, 0 QuantifiedInterpolants, 1133 SizeOfPredicates, 1 NumberOfNonLiveVariables, 130 ConjunctsInSsa, 37 ConjunctsInUnsatCore, 8 InterpolantComputations, 4 PerfectInterpolantSequences, 14/24 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 12 procedures, 67 locations, 11 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 111.7ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.9ms, PartialOrderReductionTime: 104.3ms, 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...