/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-serverassert04.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-1c3aa5735269c4be989a50fc1da9ea7b9492ef29-1c3aa57 [2021-07-01 12:48:09,842 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-01 12:48:09,845 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-01 12:48:09,881 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-01 12:48:09,882 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-01 12:48:09,885 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-01 12:48:09,887 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-01 12:48:09,893 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-01 12:48:09,895 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-01 12:48:09,899 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-01 12:48:09,900 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-01 12:48:09,901 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-01 12:48:09,902 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-01 12:48:09,903 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-01 12:48:09,905 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-01 12:48:09,906 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-01 12:48:09,908 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-01 12:48:09,909 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-01 12:48:09,911 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-01 12:48:09,917 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-01 12:48:09,919 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-01 12:48:09,920 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-01 12:48:09,921 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-01 12:48:09,923 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-01 12:48:09,929 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-07-01 12:48:09,939 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-01 12:48:09,940 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-01 12:48:09,941 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-01 12:48:09,944 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 12:48:10,001 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-01 12:48:10,001 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-01 12:48:10,002 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-01 12:48:10,002 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-01 12:48:10,004 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-01 12:48:10,005 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-01 12:48:10,005 INFO L138 SettingsManager]: * Use SBE=true [2021-07-01 12:48:10,005 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-01 12:48:10,005 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-01 12:48:10,006 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-01 12:48:10,006 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-01 12:48:10,007 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-01 12:48:10,007 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-01 12:48:10,007 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-01 12:48:10,007 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-01 12:48:10,007 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-01 12:48:10,007 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-01 12:48:10,008 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-01 12:48:10,008 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-01 12:48:10,008 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-01 12:48:10,008 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-01 12:48:10,008 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-01 12:48:10,008 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-01 12:48:10,009 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-01 12:48:10,009 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-01 12:48:10,009 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-01 12:48:10,009 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-01 12:48:10,009 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-01 12:48:10,009 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-01 12:48:10,010 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-01 12:48:10,010 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-01 12:48:10,010 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-01 12:48:10,010 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-01 12:48:10,010 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-01 12:48:10,346 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-01 12:48:10,364 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-01 12:48:10,367 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-01 12:48:10,368 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-01 12:48:10,370 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-01 12:48:10,370 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-serverassert04.bpl [2021-07-01 12:48:10,371 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-serverassert04.bpl' [2021-07-01 12:48:10,394 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-01 12:48:10,396 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-01 12:48:10,396 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-01 12:48:10,397 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-01 12:48:10,397 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-01 12:48:10,407 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth-serverassert04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 12:48:10" (1/1) ... [2021-07-01 12:48:10,413 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth-serverassert04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 12:48:10" (1/1) ... [2021-07-01 12:48:10,427 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-01 12:48:10,428 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-01 12:48:10,429 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-01 12:48:10,429 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-01 12:48:10,435 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth-serverassert04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 12:48:10" (1/1) ... [2021-07-01 12:48:10,436 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth-serverassert04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 12:48:10" (1/1) ... [2021-07-01 12:48:10,436 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth-serverassert04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 12:48:10" (1/1) ... [2021-07-01 12:48:10,437 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth-serverassert04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 12:48:10" (1/1) ... [2021-07-01 12:48:10,438 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth-serverassert04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 12:48:10" (1/1) ... [2021-07-01 12:48:10,440 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth-serverassert04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 12:48:10" (1/1) ... [2021-07-01 12:48:10,441 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth-serverassert04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 12:48:10" (1/1) ... [2021-07-01 12:48:10,442 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-01 12:48:10,442 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-01 12:48:10,442 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-01 12:48:10,443 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-01 12:48:10,444 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-serverassert04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 12:48:10" (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 12:48:10,510 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration [2021-07-01 12:48:10,510 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThread [2021-07-01 12:48:10,510 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThread [2021-07-01 12:48:10,510 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration [2021-07-01 12:48:10,510 INFO L130 BoogieDeclarations]: Found specification of procedure ServerThread [2021-07-01 12:48:10,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ServerThread [2021-07-01 12:48:10,511 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-01 12:48:10,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-01 12:48:10,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-01 12:48:10,513 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 12:48:10,759 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-01 12:48:10,759 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-07-01 12:48:10,760 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadEXIT is neither atomic block end nor error location. [2021-07-01 12:48:10,761 INFO L202 PluginConnector]: Adding new model bluetooth-serverassert04.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 12:48:10 BoogieIcfgContainer [2021-07-01 12:48:10,761 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-01 12:48:10,763 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-01 12:48:10,763 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-01 12:48:10,765 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-01 12:48:10,765 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-serverassert04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 12:48:10" (1/2) ... [2021-07-01 12:48:10,766 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4eeaddab and model type bluetooth-serverassert04.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 12:48:10, skipping insertion in model container [2021-07-01 12:48:10,766 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-serverassert04.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 12:48:10" (2/2) ... [2021-07-01 12:48:10,768 INFO L111 eAbstractionObserver]: Analyzing ICFG bluetooth-serverassert04.bpl [2021-07-01 12:48:10,772 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-01 12:48:10,773 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-01 12:48:10,773 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-01 12:48:10,773 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-01 12:48:10,807 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-01 12:48:10,827 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 12:48:10,879 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-01 12:48:10,879 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-01 12:48:10,879 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-01 12:48:10,879 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-01 12:48:10,879 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-01 12:48:10,880 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-01 12:48:10,880 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-01 12:48:10,880 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ServerThreadThread1of1ForFork0======== [2021-07-01 12:48:11,230 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 12:48:11,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 12:48:11,234 INFO L82 PathProgramCache]: Analyzing trace with hash -945797515, now seen corresponding path program 1 times [2021-07-01 12:48:11,241 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 12:48:11,242 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506207327] [2021-07-01 12:48:11,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 12:48:11,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 12:48:11,380 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 12:48:11,381 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 12:48:11,381 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506207327] [2021-07-01 12:48:11,382 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [506207327] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 12:48:11,382 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 12:48:11,382 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-01 12:48:11,383 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578568294] [2021-07-01 12:48:11,387 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-01 12:48:11,387 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 12:48:11,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-01 12:48:11,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-07-01 12:48:11,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 12:48:11,406 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 12:48:11,409 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 12:48:11,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 12:48:11,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 12:48:11,527 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-01 12:48:11,527 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 12:48:11,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 12:48:11,531 INFO L82 PathProgramCache]: Analyzing trace with hash 2124071899, now seen corresponding path program 1 times [2021-07-01 12:48:11,531 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 12:48:11,531 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371952083] [2021-07-01 12:48:11,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 12:48:11,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 12:48:11,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-01 12:48:11,582 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 12:48:11,582 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371952083] [2021-07-01 12:48:11,583 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371952083] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 12:48:11,583 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 12:48:11,583 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-01 12:48:11,583 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657719231] [2021-07-01 12:48:11,584 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-01 12:48:11,585 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 12:48:11,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-01 12:48:11,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-01 12:48:11,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 12:48:11,586 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 12:48:11,586 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-01 12:48:11,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 12:48:11,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 12:48:11,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 12:48:11,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 12:48:11,839 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-01 12:48:11,839 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 12:48:11,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 12:48:11,840 INFO L82 PathProgramCache]: Analyzing trace with hash 1272686315, now seen corresponding path program 1 times [2021-07-01 12:48:11,840 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 12:48:11,840 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496705318] [2021-07-01 12:48:11,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 12:48:11,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 12:48:11,893 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 12:48:11,893 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 12:48:11,894 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496705318] [2021-07-01 12:48:11,894 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496705318] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 12:48:11,894 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 12:48:11,894 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-01 12:48:11,894 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469531145] [2021-07-01 12:48:11,895 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-01 12:48:11,895 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 12:48:11,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-01 12:48:11,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-07-01 12:48:11,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 12:48:11,896 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 12:48:11,896 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 3.3333333333333335) 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 12:48:11,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 12:48:11,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 12:48:11,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 12:48:12,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 12:48:12,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 12:48:12,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 12:48:12,061 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-01 12:48:12,061 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 12:48:12,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 12:48:12,062 INFO L82 PathProgramCache]: Analyzing trace with hash 1272328265, now seen corresponding path program 2 times [2021-07-01 12:48:12,062 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 12:48:12,062 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125576626] [2021-07-01 12:48:12,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 12:48:12,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 12:48:12,154 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 12:48:12,154 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 12:48:12,155 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125576626] [2021-07-01 12:48:12,156 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125576626] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 12:48:12,156 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 12:48:12,156 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-01 12:48:12,156 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937117488] [2021-07-01 12:48:12,157 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-01 12:48:12,157 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 12:48:12,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-01 12:48:12,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-07-01 12:48:12,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 12:48:12,158 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 12:48:12,159 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 7 states have (on average 2.857142857142857) 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 12:48:12,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 12:48:12,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 12:48:12,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 12:48:12,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 12:48:12,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 12:48:12,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 12:48:12,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 12:48:12,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-01 12:48:12,513 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-07-01 12:48:12,513 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 12:48:12,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 12:48:12,514 INFO L82 PathProgramCache]: Analyzing trace with hash -1495890176, now seen corresponding path program 1 times [2021-07-01 12:48:12,514 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 12:48:12,514 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614426164] [2021-07-01 12:48:12,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 12:48:12,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 12:48:12,615 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 12:48:12,615 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 12:48:12,616 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614426164] [2021-07-01 12:48:12,616 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614426164] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 12:48:12,616 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [799446871] [2021-07-01 12:48:12,616 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 12:48:12,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 12:48:12,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 21 conjunts are in the unsatisfiable core [2021-07-01 12:48:12,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-01 12:48:12,854 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 12:48:12,855 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [799446871] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 12:48:12,855 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-01 12:48:12,855 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-07-01 12:48:12,855 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208391789] [2021-07-01 12:48:12,856 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-01 12:48:12,856 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 12:48:12,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-01 12:48:12,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-07-01 12:48:12,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 12:48:12,857 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 12:48:12,857 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 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 12:48:12,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 12:48:12,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 12:48:12,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 12:48:12,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-01 12:48:12,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 12:48:13,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 12:48:13,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 12:48:13,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 12:48:13,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-01 12:48:13,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-01 12:48:13,539 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 12:48:13,539 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 12:48:13,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 12:48:13,540 INFO L82 PathProgramCache]: Analyzing trace with hash 2050036130, now seen corresponding path program 1 times [2021-07-01 12:48:13,540 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 12:48:13,540 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466878554] [2021-07-01 12:48:13,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 12:48:13,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 12:48:13,628 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 12:48:13,629 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 12:48:13,629 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466878554] [2021-07-01 12:48:13,629 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [466878554] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 12:48:13,629 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1551804724] [2021-07-01 12:48:13,629 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 12:48:13,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 12:48:13,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 16 conjunts are in the unsatisfiable core [2021-07-01 12:48:13,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-01 12:48:13,833 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 12:48:13,833 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1551804724] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 12:48:13,833 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-01 12:48:13,833 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2021-07-01 12:48:13,834 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762947630] [2021-07-01 12:48:13,834 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-01 12:48:13,834 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 12:48:13,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-01 12:48:13,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2021-07-01 12:48:13,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 12:48:13,839 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 12:48:13,839 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 3.0) internal successors, (24), 7 states have internal predecessors, (24), 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 12:48:13,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 12:48:13,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 12:48:13,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 12:48:13,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-01 12:48:13,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-01 12:48:13,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 12:48:14,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 12:48:14,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 12:48:14,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 12:48:14,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-01 12:48:14,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-01 12:48:14,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-01 12:48:14,973 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 12:48:14,985 INFO L301 ceAbstractionStarter]: Result for error location ServerThreadThread1of1ForFork0 was SAFE (1/2) [2021-07-01 12:48:14,988 INFO L255 AbstractCegarLoop]: Starting to check reachability of 5 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 12:48:14,993 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-01 12:48:14,993 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-01 12:48:14,993 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-01 12:48:14,993 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-01 12:48:14,993 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-01 12:48:14,993 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-01 12:48:14,993 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-01 12:48:14,993 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-01 12:48:15,042 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (2/2) [2021-07-01 12:48:15,042 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-01 12:48:15,044 INFO L202 PluginConnector]: Adding new model bluetooth-serverassert04.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 12:48:15 BasicIcfg [2021-07-01 12:48:15,044 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-01 12:48:15,045 INFO L168 Benchmark]: Toolchain (without parser) took 4649.71 ms. Allocated memory was 208.7 MB in the beginning and 286.3 MB in the end (delta: 77.6 MB). Free memory was 188.9 MB in the beginning and 221.7 MB in the end (delta: -32.8 MB). Peak memory consumption was 45.8 MB. Max. memory is 8.0 GB. [2021-07-01 12:48:15,045 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.16 ms. Allocated memory is still 208.7 MB. Free memory is still 189.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-01 12:48:15,045 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.10 ms. Allocated memory is still 208.7 MB. Free memory was 188.8 MB in the beginning and 187.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-01 12:48:15,045 INFO L168 Benchmark]: Boogie Preprocessor took 13.18 ms. Allocated memory is still 208.7 MB. Free memory was 187.0 MB in the beginning and 186.0 MB in the end (delta: 955.4 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-01 12:48:15,046 INFO L168 Benchmark]: RCFGBuilder took 319.03 ms. Allocated memory is still 208.7 MB. Free memory was 186.0 MB in the beginning and 173.1 MB in the end (delta: 13.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-07-01 12:48:15,046 INFO L168 Benchmark]: TraceAbstraction took 4281.76 ms. Allocated memory was 208.7 MB in the beginning and 286.3 MB in the end (delta: 77.6 MB). Free memory was 172.6 MB in the beginning and 221.7 MB in the end (delta: -49.1 MB). Peak memory consumption was 30.1 MB. Max. memory is 8.0 GB. [2021-07-01 12:48:15,046 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 0.16 ms. Allocated memory is still 208.7 MB. Free memory is still 189.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 31.10 ms. Allocated memory is still 208.7 MB. Free memory was 188.8 MB in the beginning and 187.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 13.18 ms. Allocated memory is still 208.7 MB. Free memory was 187.0 MB in the beginning and 186.0 MB in the end (delta: 955.4 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 319.03 ms. Allocated memory is still 208.7 MB. Free memory was 186.0 MB in the beginning and 173.1 MB in the end (delta: 13.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 4281.76 ms. Allocated memory was 208.7 MB in the beginning and 286.3 MB in the end (delta: 77.6 MB). Free memory was 172.6 MB in the beginning and 221.7 MB in the end (delta: -49.1 MB). Peak memory consumption was 30.1 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: 20716, positive: 18751, positive conditional: 18103, positive unconditional: 648, negative: 1965, negative conditional: 1892, negative unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 19287, positive: 18751, positive conditional: 18103, positive unconditional: 648, negative: 536, negative conditional: 463, negative unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 19287, positive: 16556, positive conditional: 0, positive unconditional: 16556, negative: 2731, negative conditional: 0, negative unconditional: 2731, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 507, positive: 455, positive conditional: 0, positive unconditional: 455, negative: 52, negative conditional: 0, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 507, positive: 418, positive conditional: 0, positive unconditional: 418, negative: 89, negative conditional: 0, negative unconditional: 89, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 89, positive: 37, positive conditional: 0, positive unconditional: 37, negative: 52, negative conditional: 0, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 260, positive: 95, positive conditional: 58, positive unconditional: 37, negative: 165, negative conditional: 113, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 665, positive: 225, positive conditional: 98, positive unconditional: 127, negative: 440, negative conditional: 201, negative unconditional: 239, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 19287, positive: 16101, positive conditional: 0, positive unconditional: 16101, negative: 2679, negative conditional: 0, negative unconditional: 2679, unknown: 507, unknown conditional: 0, unknown unconditional: 507] , Statistics on independence cache: Total cache size (in pairs): 678, Positive cache size: 513, Positive conditional cache size: 58, Positive unconditional cache size: 455, Negative cache size: 165, Negative conditional cache size: 113, Negative unconditional cache size: 52, SemanticConditionEliminator.Independence Queries: [ total: 8226, positive: 2195, positive conditional: 2195, positive unconditional: 0, negative: 6031, negative conditional: 3269, negative unconditional: 2762, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8226, positive: 2195, positive conditional: 2195, positive unconditional: 0, negative: 6031, negative conditional: 3269, negative unconditional: 2762, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 260, positive: 95, positive conditional: 58, positive unconditional: 37, negative: 165, negative conditional: 113, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 665, positive: 225, positive conditional: 98, positive unconditional: 127, negative: 440, negative conditional: 201, negative unconditional: 239, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 8226, positive: 2137, positive conditional: 2137, positive unconditional: 0, negative: 5918, negative conditional: 3156, negative unconditional: 2762, unknown: 171, unknown conditional: 171, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 678, Positive cache size: 513, Positive conditional cache size: 58, Positive unconditional cache size: 455, Negative cache size: 165, Negative conditional cache size: 113, Negative unconditional cache size: 52, Eliminated conditions: 2639, SemanticConditionEliminator.Independence Queries: [ total: 8226, positive: 2195, positive conditional: 2195, positive unconditional: 0, negative: 6031, negative conditional: 3269, negative unconditional: 2762, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8226, positive: 2195, positive conditional: 2195, positive unconditional: 0, negative: 6031, negative conditional: 3269, negative unconditional: 2762, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 260, positive: 95, positive conditional: 58, positive unconditional: 37, negative: 165, negative conditional: 113, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 665, positive: 225, positive conditional: 98, positive unconditional: 127, negative: 440, negative conditional: 201, negative unconditional: 239, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 8226, positive: 2137, positive conditional: 2137, positive unconditional: 0, negative: 5918, negative conditional: 3156, negative unconditional: 2762, unknown: 171, unknown conditional: 171, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 678, Positive cache size: 513, Positive conditional cache size: 58, Positive unconditional cache size: 455, Negative cache size: 165, Negative conditional cache size: 113, Negative unconditional cache size: 52, Eliminated conditions: 2639, SemanticConditionEliminator.Independence Queries: [ total: 8226, positive: 2195, positive conditional: 2195, positive unconditional: 0, negative: 6031, negative conditional: 3269, negative unconditional: 2762, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8226, positive: 2195, positive conditional: 2195, positive unconditional: 0, negative: 6031, negative conditional: 3269, negative unconditional: 2762, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 260, positive: 95, positive conditional: 58, positive unconditional: 37, negative: 165, negative conditional: 113, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 665, positive: 225, positive conditional: 98, positive unconditional: 127, negative: 440, negative conditional: 201, negative unconditional: 239, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 8226, positive: 2137, positive conditional: 2137, positive unconditional: 0, negative: 5918, negative conditional: 3156, negative unconditional: 2762, unknown: 171, unknown conditional: 171, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 678, Positive cache size: 513, Positive conditional cache size: 58, Positive unconditional cache size: 455, Negative cache size: 165, Negative conditional cache size: 113, Negative unconditional cache size: 52, Eliminated conditions: 2639, SemanticConditionEliminator.Independence Queries: [ total: 8226, positive: 2195, positive conditional: 2195, positive unconditional: 0, negative: 6031, negative conditional: 3269, negative unconditional: 2762, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8226, positive: 2195, positive conditional: 2195, positive unconditional: 0, negative: 6031, negative conditional: 3269, negative unconditional: 2762, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 260, positive: 95, positive conditional: 58, positive unconditional: 37, negative: 165, negative conditional: 113, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 665, positive: 225, positive conditional: 98, positive unconditional: 127, negative: 440, negative conditional: 201, negative unconditional: 239, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 8226, positive: 2137, positive conditional: 2137, positive unconditional: 0, negative: 5918, negative conditional: 3156, negative unconditional: 2762, unknown: 171, unknown conditional: 171, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 678, Positive cache size: 513, Positive conditional cache size: 58, Positive unconditional cache size: 455, Negative cache size: 165, Negative conditional cache size: 113, Negative unconditional cache size: 52, Eliminated conditions: 2639, SemanticConditionEliminator.Independence Queries: [ total: 8226, positive: 2195, positive conditional: 2195, positive unconditional: 0, negative: 6031, negative conditional: 3269, negative unconditional: 2762, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8226, positive: 2195, positive conditional: 2195, positive unconditional: 0, negative: 6031, negative conditional: 3269, negative unconditional: 2762, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 260, positive: 95, positive conditional: 58, positive unconditional: 37, negative: 165, negative conditional: 113, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 665, positive: 225, positive conditional: 98, positive unconditional: 127, negative: 440, negative conditional: 201, negative unconditional: 239, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 8226, positive: 2137, positive conditional: 2137, positive unconditional: 0, negative: 5918, negative conditional: 3156, negative unconditional: 2762, unknown: 171, unknown conditional: 171, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 678, Positive cache size: 513, Positive conditional cache size: 58, Positive unconditional cache size: 455, Negative cache size: 165, Negative conditional cache size: 113, Negative unconditional cache size: 52, Eliminated conditions: 2639, SemanticConditionEliminator.Independence Queries: [ total: 8226, positive: 2195, positive conditional: 2195, positive unconditional: 0, negative: 6031, negative conditional: 3269, negative unconditional: 2762, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8226, positive: 2195, positive conditional: 2195, positive unconditional: 0, negative: 6031, negative conditional: 3269, negative unconditional: 2762, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 260, positive: 95, positive conditional: 58, positive unconditional: 37, negative: 165, negative conditional: 113, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 665, positive: 225, positive conditional: 98, positive unconditional: 127, negative: 440, negative conditional: 201, negative unconditional: 239, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 8226, positive: 2137, positive conditional: 2137, positive unconditional: 0, negative: 5918, negative conditional: 3156, negative unconditional: 2762, unknown: 171, unknown conditional: 171, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 678, Positive cache size: 513, Positive conditional cache size: 58, Positive unconditional cache size: 455, Negative cache size: 165, Negative conditional cache size: 113, Negative unconditional cache size: 52, Eliminated conditions: 2639 ], Maximal queried relation: 6, Independence queries for same thread: 1429 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 1229, Number of persistent set computation: 7502, Number of trivial persistent sets: 7442, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 20716, positive: 18751, positive conditional: 18103, positive unconditional: 648, negative: 1965, negative conditional: 1892, negative unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 19287, positive: 18751, positive conditional: 18103, positive unconditional: 648, negative: 536, negative conditional: 463, negative unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 19287, positive: 16556, positive conditional: 0, positive unconditional: 16556, negative: 2731, negative conditional: 0, negative unconditional: 2731, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 507, positive: 455, positive conditional: 0, positive unconditional: 455, negative: 52, negative conditional: 0, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 507, positive: 418, positive conditional: 0, positive unconditional: 418, negative: 89, negative conditional: 0, negative unconditional: 89, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 89, positive: 37, positive conditional: 0, positive unconditional: 37, negative: 52, negative conditional: 0, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 260, positive: 95, positive conditional: 58, positive unconditional: 37, negative: 165, negative conditional: 113, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 665, positive: 225, positive conditional: 98, positive unconditional: 127, negative: 440, negative conditional: 201, negative unconditional: 239, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 19287, positive: 16101, positive conditional: 0, positive unconditional: 16101, negative: 2679, negative conditional: 0, negative unconditional: 2679, unknown: 507, unknown conditional: 0, unknown unconditional: 507] , Statistics on independence cache: Total cache size (in pairs): 678, Positive cache size: 513, Positive conditional cache size: 58, Positive unconditional cache size: 455, Negative cache size: 165, Negative conditional cache size: 113, Negative unconditional cache size: 52, SemanticConditionEliminator.Independence Queries: [ total: 8226, positive: 2195, positive conditional: 2195, positive unconditional: 0, negative: 6031, negative conditional: 3269, negative unconditional: 2762, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8226, positive: 2195, positive conditional: 2195, positive unconditional: 0, negative: 6031, negative conditional: 3269, negative unconditional: 2762, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 260, positive: 95, positive conditional: 58, positive unconditional: 37, negative: 165, negative conditional: 113, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 665, positive: 225, positive conditional: 98, positive unconditional: 127, negative: 440, negative conditional: 201, negative unconditional: 239, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 8226, positive: 2137, positive conditional: 2137, positive unconditional: 0, negative: 5918, negative conditional: 3156, negative unconditional: 2762, unknown: 171, unknown conditional: 171, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 678, Positive cache size: 513, Positive conditional cache size: 58, Positive unconditional cache size: 455, Negative cache size: 165, Negative conditional cache size: 113, Negative unconditional cache size: 52, Eliminated conditions: 2639, SemanticConditionEliminator.Independence Queries: [ total: 8226, positive: 2195, positive conditional: 2195, positive unconditional: 0, negative: 6031, negative conditional: 3269, negative unconditional: 2762, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8226, positive: 2195, positive conditional: 2195, positive unconditional: 0, negative: 6031, negative conditional: 3269, negative unconditional: 2762, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 260, positive: 95, positive conditional: 58, positive unconditional: 37, negative: 165, negative conditional: 113, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 665, positive: 225, positive conditional: 98, positive unconditional: 127, negative: 440, negative conditional: 201, negative unconditional: 239, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 8226, positive: 2137, positive conditional: 2137, positive unconditional: 0, negative: 5918, negative conditional: 3156, negative unconditional: 2762, unknown: 171, unknown conditional: 171, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 678, Positive cache size: 513, Positive conditional cache size: 58, Positive unconditional cache size: 455, Negative cache size: 165, Negative conditional cache size: 113, Negative unconditional cache size: 52, Eliminated conditions: 2639, SemanticConditionEliminator.Independence Queries: [ total: 8226, positive: 2195, positive conditional: 2195, positive unconditional: 0, negative: 6031, negative conditional: 3269, negative unconditional: 2762, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8226, positive: 2195, positive conditional: 2195, positive unconditional: 0, negative: 6031, negative conditional: 3269, negative unconditional: 2762, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 260, positive: 95, positive conditional: 58, positive unconditional: 37, negative: 165, negative conditional: 113, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 665, positive: 225, positive conditional: 98, positive unconditional: 127, negative: 440, negative conditional: 201, negative unconditional: 239, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 8226, positive: 2137, positive conditional: 2137, positive unconditional: 0, negative: 5918, negative conditional: 3156, negative unconditional: 2762, unknown: 171, unknown conditional: 171, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 678, Positive cache size: 513, Positive conditional cache size: 58, Positive unconditional cache size: 455, Negative cache size: 165, Negative conditional cache size: 113, Negative unconditional cache size: 52, Eliminated conditions: 2639, SemanticConditionEliminator.Independence Queries: [ total: 8226, positive: 2195, positive conditional: 2195, positive unconditional: 0, negative: 6031, negative conditional: 3269, negative unconditional: 2762, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8226, positive: 2195, positive conditional: 2195, positive unconditional: 0, negative: 6031, negative conditional: 3269, negative unconditional: 2762, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 260, positive: 95, positive conditional: 58, positive unconditional: 37, negative: 165, negative conditional: 113, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 665, positive: 225, positive conditional: 98, positive unconditional: 127, negative: 440, negative conditional: 201, negative unconditional: 239, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 8226, positive: 2137, positive conditional: 2137, positive unconditional: 0, negative: 5918, negative conditional: 3156, negative unconditional: 2762, unknown: 171, unknown conditional: 171, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 678, Positive cache size: 513, Positive conditional cache size: 58, Positive unconditional cache size: 455, Negative cache size: 165, Negative conditional cache size: 113, Negative unconditional cache size: 52, Eliminated conditions: 2639, SemanticConditionEliminator.Independence Queries: [ total: 8226, positive: 2195, positive conditional: 2195, positive unconditional: 0, negative: 6031, negative conditional: 3269, negative unconditional: 2762, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8226, positive: 2195, positive conditional: 2195, positive unconditional: 0, negative: 6031, negative conditional: 3269, negative unconditional: 2762, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 260, positive: 95, positive conditional: 58, positive unconditional: 37, negative: 165, negative conditional: 113, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 665, positive: 225, positive conditional: 98, positive unconditional: 127, negative: 440, negative conditional: 201, negative unconditional: 239, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 8226, positive: 2137, positive conditional: 2137, positive unconditional: 0, negative: 5918, negative conditional: 3156, negative unconditional: 2762, unknown: 171, unknown conditional: 171, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 678, Positive cache size: 513, Positive conditional cache size: 58, Positive unconditional cache size: 455, Negative cache size: 165, Negative conditional cache size: 113, Negative unconditional cache size: 52, Eliminated conditions: 2639, SemanticConditionEliminator.Independence Queries: [ total: 8226, positive: 2195, positive conditional: 2195, positive unconditional: 0, negative: 6031, negative conditional: 3269, negative unconditional: 2762, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8226, positive: 2195, positive conditional: 2195, positive unconditional: 0, negative: 6031, negative conditional: 3269, negative unconditional: 2762, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 260, positive: 95, positive conditional: 58, positive unconditional: 37, negative: 165, negative conditional: 113, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 665, positive: 225, positive conditional: 98, positive unconditional: 127, negative: 440, negative conditional: 201, negative unconditional: 239, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 8226, positive: 2137, positive conditional: 2137, positive unconditional: 0, negative: 5918, negative conditional: 3156, negative unconditional: 2762, unknown: 171, unknown conditional: 171, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 678, Positive cache size: 513, Positive conditional cache size: 58, Positive unconditional cache size: 455, Negative cache size: 165, Negative conditional cache size: 113, Negative unconditional cache size: 52, Eliminated conditions: 2639 ], Maximal queried relation: 6, Independence queries for same thread: 1429 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 507, positive: 481, positive conditional: 37, positive unconditional: 444, negative: 26, negative conditional: 6, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 501, positive: 481, positive conditional: 37, positive unconditional: 444, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 501, positive: 481, positive conditional: 0, positive unconditional: 481, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 396, positive: 376, positive conditional: 0, positive unconditional: 376, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 396, positive: 360, positive conditional: 0, positive unconditional: 360, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 36, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 41, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 29, negative conditional: 0, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 501, positive: 105, positive conditional: 0, positive unconditional: 105, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 396, unknown conditional: 0, unknown unconditional: 396] , Statistics on independence cache: Total cache size (in pairs): 396, Positive cache size: 376, Positive conditional cache size: 0, Positive unconditional cache size: 376, Negative cache size: 20, Negative conditional cache size: 0, Negative unconditional cache size: 20 ], Maximal queried relation: 0, Independence queries for same thread: 6 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 45, Number of persistent set computation: 14, Number of trivial persistent sets: 10, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 507, positive: 481, positive conditional: 37, positive unconditional: 444, negative: 26, negative conditional: 6, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 501, positive: 481, positive conditional: 37, positive unconditional: 444, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 501, positive: 481, positive conditional: 0, positive unconditional: 481, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 396, positive: 376, positive conditional: 0, positive unconditional: 376, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 396, positive: 360, positive conditional: 0, positive unconditional: 360, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 36, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 41, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 29, negative conditional: 0, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 501, positive: 105, positive conditional: 0, positive unconditional: 105, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 396, unknown conditional: 0, unknown unconditional: 396] , Statistics on independence cache: Total cache size (in pairs): 396, Positive cache size: 376, Positive conditional cache size: 0, Positive unconditional cache size: 376, Negative cache size: 20, Negative conditional cache size: 0, Negative unconditional cache size: 20 ], Maximal queried relation: 0, Independence queries for same thread: 6 - PositiveResult [Line: 73]: 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 8 procedures, 47 locations, 7 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4143.4ms, OverallIterations: 6, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 10.8ms, PartialOrderReductionTime: 2592.1ms, 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: 15.8ms SsaConstructionTime, 93.4ms SatisfiabilityAnalysisTime, 718.7ms InterpolantComputationTime, 173 NumberOfCodeBlocks, 173 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 165 ConstructedInterpolants, 0 QuantifiedInterpolants, 821 SizeOfPredicates, 1 NumberOfNonLiveVariables, 106 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 8 procedures, 47 locations, 7 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: 0.9ms, PartialOrderReductionTime: 46.5ms, 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...