/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleepPersistent-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-serverassert04.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-1c3aa5735269c4be989a50fc1da9ea7b9492ef29-1c3aa57 [2021-07-01 12:23:16,503 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-01 12:23:16,504 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-01 12:23:16,533 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-01 12:23:16,552 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-01 12:23:16,552 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-01 12:23:16,553 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-01 12:23:16,554 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-01 12:23:16,554 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-01 12:23:16,565 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-01 12:23:16,584 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-01 12:23:16,586 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-01 12:23:16,586 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-01 12:23:16,587 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-01 12:23:16,588 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-01 12:23:16,588 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-01 12:23:16,590 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-07-01 12:23:16,609 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleepPersistent-NoLbe.epf [2021-07-01 12:23:16,638 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-01 12:23:16,638 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-01 12:23:16,638 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-01 12:23:16,638 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-01 12:23:16,639 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-01 12:23:16,639 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-01 12:23:16,639 INFO L138 SettingsManager]: * Use SBE=true [2021-07-01 12:23:16,639 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-01 12:23:16,639 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-01 12:23:16,640 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-01 12:23:16,640 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-01 12:23:16,640 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-01 12:23:16,640 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-01 12:23:16,640 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-01 12:23:16,640 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-01 12:23:16,640 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-01 12:23:16,640 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-01 12:23:16,641 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-01 12:23:16,641 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-01 12:23:16,641 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-01 12:23:16,641 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-01 12:23:16,641 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-01 12:23:16,641 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-01 12:23:16,641 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-01 12:23:16,641 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-01 12:23:16,642 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-01 12:23:16,642 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-01 12:23:16,642 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-01 12:23:16,642 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-01 12:23:16,642 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-01 12:23:16,642 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-01 12:23:16,642 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-01 12:23:16,642 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_DELAY_SET [2021-07-01 12:23:16,643 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-01 12:23:17,010 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-01 12:23:17,030 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-01 12:23:17,032 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-01 12:23:17,033 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-01 12:23:17,034 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-01 12:23:17,034 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-serverassert04.bpl [2021-07-01 12:23:17,034 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-serverassert04.bpl' [2021-07-01 12:23:17,059 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-01 12:23:17,060 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-01 12:23:17,062 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-01 12:23:17,062 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-01 12:23:17,062 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-01 12:23:17,070 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 12:23:17" (1/1) ... [2021-07-01 12:23:17,075 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 12:23:17" (1/1) ... [2021-07-01 12:23:17,085 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-01 12:23:17,087 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-01 12:23:17,087 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-01 12:23:17,087 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-01 12:23:17,092 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 12:23:17" (1/1) ... [2021-07-01 12:23:17,092 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 12:23:17" (1/1) ... [2021-07-01 12:23:17,093 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 12:23:17" (1/1) ... [2021-07-01 12:23:17,093 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 12:23:17" (1/1) ... [2021-07-01 12:23:17,095 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 12:23:17" (1/1) ... [2021-07-01 12:23:17,098 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 12:23:17" (1/1) ... [2021-07-01 12:23:17,098 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 12:23:17" (1/1) ... [2021-07-01 12:23:17,099 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-01 12:23:17,100 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-01 12:23:17,100 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-01 12:23:17,100 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-01 12:23:17,101 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-serverassert04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 12:23:17" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-01 12:23:17,205 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration [2021-07-01 12:23:17,205 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThread [2021-07-01 12:23:17,205 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThread [2021-07-01 12:23:17,205 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration [2021-07-01 12:23:17,206 INFO L130 BoogieDeclarations]: Found specification of procedure ServerThread [2021-07-01 12:23:17,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ServerThread [2021-07-01 12:23:17,206 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-01 12:23:17,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-01 12:23:17,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-01 12:23:17,207 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-01 12:23:17,386 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-01 12:23:17,386 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-07-01 12:23:17,386 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadEXIT is neither atomic block end nor error location. [2021-07-01 12:23:17,388 INFO L202 PluginConnector]: Adding new model bluetooth-serverassert04.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 12:23:17 BoogieIcfgContainer [2021-07-01 12:23:17,388 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-01 12:23:17,389 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-01 12:23:17,389 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-01 12:23:17,391 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-01 12:23:17,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-serverassert04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 12:23:17" (1/2) ... [2021-07-01 12:23:17,391 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ffb6bb0 and model type bluetooth-serverassert04.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 12:23:17, skipping insertion in model container [2021-07-01 12:23:17,391 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 12:23:17" (2/2) ... [2021-07-01 12:23:17,392 INFO L111 eAbstractionObserver]: Analyzing ICFG bluetooth-serverassert04.bpl [2021-07-01 12:23:17,396 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-01 12:23:17,396 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-01 12:23:17,396 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-01 12:23:17,413 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-01 12:23:17,465 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-01 12:23:17,480 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-01 12:23:17,573 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-01 12:23:17,573 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-01 12:23:17,573 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-01 12:23:17,573 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-01 12:23:17,573 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-01 12:23:17,573 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-01 12:23:17,573 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-01 12:23:17,573 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ServerThreadThread1of1ForFork0======== [2021-07-01 12:23:17,835 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 12:23:17,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 12:23:17,839 INFO L82 PathProgramCache]: Analyzing trace with hash -945797515, now seen corresponding path program 1 times [2021-07-01 12:23:17,844 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 12:23:17,844 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461478596] [2021-07-01 12:23:17,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 12:23:17,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 12:23:17,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-01 12:23:17,933 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 12:23:17,933 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461478596] [2021-07-01 12:23:17,933 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461478596] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 12:23:17,934 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 12:23:17,934 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-01 12:23:17,934 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906129374] [2021-07-01 12:23:17,937 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-01 12:23:17,937 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 12:23:17,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-01 12:23:17,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-07-01 12:23:17,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 12:23:17,946 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 12:23:17,948 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-01 12:23:17,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 12:23:17,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 12:23:17,991 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-01 12:23:17,991 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 12:23:17,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 12:23:17,991 INFO L82 PathProgramCache]: Analyzing trace with hash -624218138, now seen corresponding path program 1 times [2021-07-01 12:23:17,992 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 12:23:17,992 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808434208] [2021-07-01 12:23:17,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 12:23:17,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 12:23:18,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-01 12:23:18,006 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 12:23:18,006 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808434208] [2021-07-01 12:23:18,006 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808434208] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 12:23:18,006 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 12:23:18,006 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-01 12:23:18,007 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873386827] [2021-07-01 12:23:18,008 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-01 12:23:18,008 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 12:23:18,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-01 12:23:18,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-01 12:23:18,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 12:23:18,008 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 12:23:18,009 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-01 12:23:18,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 12:23:18,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 12:23:18,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 12:23:18,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 12:23:18,129 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-01 12:23:18,129 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 12:23:18,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 12:23:18,129 INFO L82 PathProgramCache]: Analyzing trace with hash 469368316, now seen corresponding path program 1 times [2021-07-01 12:23:18,129 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 12:23:18,130 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631770923] [2021-07-01 12:23:18,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 12:23:18,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 12:23:18,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-01 12:23:18,165 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 12:23:18,165 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631770923] [2021-07-01 12:23:18,165 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [631770923] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 12:23:18,165 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 12:23:18,165 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-01 12:23:18,165 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216405146] [2021-07-01 12:23:18,166 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-01 12:23:18,166 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 12:23:18,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-01 12:23:18,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-07-01 12:23:18,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 12:23:18,166 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 12:23:18,167 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 5 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 12:23:18,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 12:23:18,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 12:23:18,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 12:23:18,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 12:23:18,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 12:23:18,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 12:23:18,230 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-01 12:23:18,230 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 12:23:18,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 12:23:18,231 INFO L82 PathProgramCache]: Analyzing trace with hash 469010266, now seen corresponding path program 2 times [2021-07-01 12:23:18,231 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 12:23:18,231 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690768796] [2021-07-01 12:23:18,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 12:23:18,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 12:23:18,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-01 12:23:18,275 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 12:23:18,275 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690768796] [2021-07-01 12:23:18,275 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690768796] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 12:23:18,275 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 12:23:18,275 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-01 12:23:18,275 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191308542] [2021-07-01 12:23:18,276 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-01 12:23:18,276 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 12:23:18,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-01 12:23:18,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-07-01 12:23:18,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 12:23:18,276 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 12:23:18,277 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 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 12:23:18,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 12:23:18,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 12:23:18,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 12:23:18,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 12:23:18,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 12:23:18,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 12:23:18,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 12:23:18,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-01 12:23:18,491 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-07-01 12:23:18,493 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 12:23:18,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 12:23:18,493 INFO L82 PathProgramCache]: Analyzing trace with hash -331872272, now seen corresponding path program 1 times [2021-07-01 12:23:18,493 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 12:23:18,494 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913712711] [2021-07-01 12:23:18,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 12:23:18,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 12:23:18,584 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-01 12:23:18,584 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 12:23:18,584 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913712711] [2021-07-01 12:23:18,587 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913712711] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 12:23:18,587 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [540910732] [2021-07-01 12:23:18,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 12:23:18,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 12:23:18,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-01 12:23:18,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-01 12:23:18,766 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-01 12:23:18,767 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [540910732] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 12:23:18,767 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-01 12:23:18,767 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-07-01 12:23:18,767 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904749766] [2021-07-01 12:23:18,767 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-01 12:23:18,768 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 12:23:18,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-01 12:23:18,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-07-01 12:23:18,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 12:23:18,768 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 12:23:18,768 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-01 12:23:18,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 12:23:18,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 12:23:18,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 12:23:18,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-01 12:23:18,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 12:23:18,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 12:23:18,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 12:23:18,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 12:23:18,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-01 12:23:18,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-01 12:23:19,207 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 12:23:19,208 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 12:23:19,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 12:23:19,209 INFO L82 PathProgramCache]: Analyzing trace with hash -6080340, now seen corresponding path program 1 times [2021-07-01 12:23:19,209 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 12:23:19,209 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833819842] [2021-07-01 12:23:19,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 12:23:19,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 12:23:19,277 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-01 12:23:19,278 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 12:23:19,278 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833819842] [2021-07-01 12:23:19,278 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833819842] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 12:23:19,278 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 12:23:19,278 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-07-01 12:23:19,278 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370411982] [2021-07-01 12:23:19,278 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-01 12:23:19,278 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 12:23:19,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-01 12:23:19,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2021-07-01 12:23:19,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 12:23:19,279 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 12:23:19,279 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 2.625) internal successors, (21), 7 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-01 12:23:19,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 12:23:19,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 12:23:19,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 12:23:19,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-01 12:23:19,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-01 12:23:19,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 12:23:19,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 12:23:19,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 12:23:19,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 12:23:19,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-01 12:23:19,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-01 12:23:19,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-01 12:23:19,738 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-07-01 12:23:19,748 INFO L301 ceAbstractionStarter]: Result for error location ServerThreadThread1of1ForFork0 was SAFE (1/2) [2021-07-01 12:23:19,749 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 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-01 12:23:19,754 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-01 12:23:19,754 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-01 12:23:19,754 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-01 12:23:19,754 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-01 12:23:19,754 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-01 12:23:19,754 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-01 12:23:19,754 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-01 12:23:19,754 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-01 12:23:19,807 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (2/2) [2021-07-01 12:23:19,807 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-01 12:23:19,809 INFO L202 PluginConnector]: Adding new model bluetooth-serverassert04.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 12:23:19 BasicIcfg [2021-07-01 12:23:19,809 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-01 12:23:19,810 INFO L168 Benchmark]: Toolchain (without parser) took 2749.16 ms. Allocated memory was 180.4 MB in the beginning and 221.2 MB in the end (delta: 40.9 MB). Free memory was 160.0 MB in the beginning and 117.3 MB in the end (delta: 42.8 MB). Peak memory consumption was 84.7 MB. Max. memory is 8.0 GB. [2021-07-01 12:23:19,810 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.10 ms. Allocated memory is still 180.4 MB. Free memory is still 161.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-01 12:23:19,813 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.26 ms. Allocated memory is still 180.4 MB. Free memory was 160.0 MB in the beginning and 158.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-01 12:23:19,813 INFO L168 Benchmark]: Boogie Preprocessor took 12.23 ms. Allocated memory is still 180.4 MB. Free memory was 158.1 MB in the beginning and 157.2 MB in the end (delta: 918.8 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-01 12:23:19,813 INFO L168 Benchmark]: RCFGBuilder took 287.82 ms. Allocated memory is still 180.4 MB. Free memory was 157.1 MB in the beginning and 144.6 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-07-01 12:23:19,813 INFO L168 Benchmark]: TraceAbstraction took 2419.80 ms. Allocated memory was 180.4 MB in the beginning and 221.2 MB in the end (delta: 40.9 MB). Free memory was 144.1 MB in the beginning and 117.3 MB in the end (delta: 26.9 MB). Peak memory consumption was 67.9 MB. Max. memory is 8.0 GB. [2021-07-01 12:23:19,814 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.10 ms. Allocated memory is still 180.4 MB. Free memory is still 161.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 24.26 ms. Allocated memory is still 180.4 MB. Free memory was 160.0 MB in the beginning and 158.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 12.23 ms. Allocated memory is still 180.4 MB. Free memory was 158.1 MB in the beginning and 157.2 MB in the end (delta: 918.8 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 287.82 ms. Allocated memory is still 180.4 MB. Free memory was 157.1 MB in the beginning and 144.6 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2419.80 ms. Allocated memory was 180.4 MB in the beginning and 221.2 MB in the end (delta: 40.9 MB). Free memory was 144.1 MB in the beginning and 117.3 MB in the end (delta: 26.9 MB). Peak memory consumption was 67.9 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: 16460, positive: 15328, positive conditional: 14390, positive unconditional: 938, negative: 1132, negative conditional: 1039, negative unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 15683, positive: 15328, positive conditional: 14390, positive unconditional: 938, negative: 355, negative conditional: 262, negative unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 15683, positive: 14138, positive conditional: 0, positive unconditional: 14138, negative: 1545, negative conditional: 0, negative unconditional: 1545, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 659, positive: 603, positive conditional: 0, positive unconditional: 603, negative: 56, negative conditional: 0, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 659, positive: 563, positive conditional: 0, positive unconditional: 563, negative: 96, negative conditional: 0, negative unconditional: 96, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 96, positive: 40, positive conditional: 0, positive unconditional: 40, negative: 56, negative conditional: 0, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 273, positive: 98, positive conditional: 58, positive unconditional: 40, negative: 175, negative conditional: 119, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 462, positive: 159, positive conditional: 59, positive unconditional: 100, negative: 303, negative conditional: 134, negative unconditional: 168, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 15683, positive: 13535, positive conditional: 0, positive unconditional: 13535, negative: 1489, negative conditional: 0, negative unconditional: 1489, unknown: 659, unknown conditional: 0, unknown unconditional: 659] , Statistics on independence cache: Total cache size (in pairs): 836, Positive cache size: 661, Positive conditional cache size: 58, Positive unconditional cache size: 603, Negative cache size: 175, Negative conditional cache size: 119, Negative unconditional cache size: 56, SemanticConditionEliminator.Independence Queries: [ total: 4620, positive: 1190, positive conditional: 1190, positive unconditional: 0, negative: 3430, negative conditional: 1779, negative unconditional: 1651, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4620, positive: 1190, positive conditional: 1190, positive unconditional: 0, negative: 3430, negative conditional: 1779, negative unconditional: 1651, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 273, positive: 98, positive conditional: 58, positive unconditional: 40, negative: 175, negative conditional: 119, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 462, positive: 159, positive conditional: 59, positive unconditional: 100, negative: 303, negative conditional: 134, negative unconditional: 168, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4620, positive: 1132, positive conditional: 1132, positive unconditional: 0, negative: 3311, negative conditional: 1660, negative unconditional: 1651, unknown: 177, unknown conditional: 177, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 836, Positive cache size: 661, Positive conditional cache size: 58, Positive unconditional cache size: 603, Negative cache size: 175, Negative conditional cache size: 119, Negative unconditional cache size: 56, Eliminated conditions: 1429, SemanticConditionEliminator.Independence Queries: [ total: 4620, positive: 1190, positive conditional: 1190, positive unconditional: 0, negative: 3430, negative conditional: 1779, negative unconditional: 1651, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4620, positive: 1190, positive conditional: 1190, positive unconditional: 0, negative: 3430, negative conditional: 1779, negative unconditional: 1651, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 273, positive: 98, positive conditional: 58, positive unconditional: 40, negative: 175, negative conditional: 119, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 462, positive: 159, positive conditional: 59, positive unconditional: 100, negative: 303, negative conditional: 134, negative unconditional: 168, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4620, positive: 1132, positive conditional: 1132, positive unconditional: 0, negative: 3311, negative conditional: 1660, negative unconditional: 1651, unknown: 177, unknown conditional: 177, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 836, Positive cache size: 661, Positive conditional cache size: 58, Positive unconditional cache size: 603, Negative cache size: 175, Negative conditional cache size: 119, Negative unconditional cache size: 56, Eliminated conditions: 1429, SemanticConditionEliminator.Independence Queries: [ total: 4620, positive: 1190, positive conditional: 1190, positive unconditional: 0, negative: 3430, negative conditional: 1779, negative unconditional: 1651, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4620, positive: 1190, positive conditional: 1190, positive unconditional: 0, negative: 3430, negative conditional: 1779, negative unconditional: 1651, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 273, positive: 98, positive conditional: 58, positive unconditional: 40, negative: 175, negative conditional: 119, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 462, positive: 159, positive conditional: 59, positive unconditional: 100, negative: 303, negative conditional: 134, negative unconditional: 168, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4620, positive: 1132, positive conditional: 1132, positive unconditional: 0, negative: 3311, negative conditional: 1660, negative unconditional: 1651, unknown: 177, unknown conditional: 177, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 836, Positive cache size: 661, Positive conditional cache size: 58, Positive unconditional cache size: 603, Negative cache size: 175, Negative conditional cache size: 119, Negative unconditional cache size: 56, Eliminated conditions: 1429, SemanticConditionEliminator.Independence Queries: [ total: 4620, positive: 1190, positive conditional: 1190, positive unconditional: 0, negative: 3430, negative conditional: 1779, negative unconditional: 1651, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4620, positive: 1190, positive conditional: 1190, positive unconditional: 0, negative: 3430, negative conditional: 1779, negative unconditional: 1651, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 273, positive: 98, positive conditional: 58, positive unconditional: 40, negative: 175, negative conditional: 119, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 462, positive: 159, positive conditional: 59, positive unconditional: 100, negative: 303, negative conditional: 134, negative unconditional: 168, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4620, positive: 1132, positive conditional: 1132, positive unconditional: 0, negative: 3311, negative conditional: 1660, negative unconditional: 1651, unknown: 177, unknown conditional: 177, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 836, Positive cache size: 661, Positive conditional cache size: 58, Positive unconditional cache size: 603, Negative cache size: 175, Negative conditional cache size: 119, Negative unconditional cache size: 56, Eliminated conditions: 1429, SemanticConditionEliminator.Independence Queries: [ total: 4620, positive: 1190, positive conditional: 1190, positive unconditional: 0, negative: 3430, negative conditional: 1779, negative unconditional: 1651, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4620, positive: 1190, positive conditional: 1190, positive unconditional: 0, negative: 3430, negative conditional: 1779, negative unconditional: 1651, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 273, positive: 98, positive conditional: 58, positive unconditional: 40, negative: 175, negative conditional: 119, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 462, positive: 159, positive conditional: 59, positive unconditional: 100, negative: 303, negative conditional: 134, negative unconditional: 168, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4620, positive: 1132, positive conditional: 1132, positive unconditional: 0, negative: 3311, negative conditional: 1660, negative unconditional: 1651, unknown: 177, unknown conditional: 177, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 836, Positive cache size: 661, Positive conditional cache size: 58, Positive unconditional cache size: 603, Negative cache size: 175, Negative conditional cache size: 119, Negative unconditional cache size: 56, Eliminated conditions: 1429, SemanticConditionEliminator.Independence Queries: [ total: 4620, positive: 1190, positive conditional: 1190, positive unconditional: 0, negative: 3430, negative conditional: 1779, negative unconditional: 1651, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4620, positive: 1190, positive conditional: 1190, positive unconditional: 0, negative: 3430, negative conditional: 1779, negative unconditional: 1651, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 273, positive: 98, positive conditional: 58, positive unconditional: 40, negative: 175, negative conditional: 119, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 462, positive: 159, positive conditional: 59, positive unconditional: 100, negative: 303, negative conditional: 134, negative unconditional: 168, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4620, positive: 1132, positive conditional: 1132, positive unconditional: 0, negative: 3311, negative conditional: 1660, negative unconditional: 1651, unknown: 177, unknown conditional: 177, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 836, Positive cache size: 661, Positive conditional cache size: 58, Positive unconditional cache size: 603, Negative cache size: 175, Negative conditional cache size: 119, Negative unconditional cache size: 56, Eliminated conditions: 1429 ], Maximal queried relation: 6, Independence queries for same thread: 777 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 556, Number of persistent set computation: 3793, Number of trivial persistent sets: 2955, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 16460, positive: 15328, positive conditional: 14390, positive unconditional: 938, negative: 1132, negative conditional: 1039, negative unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 15683, positive: 15328, positive conditional: 14390, positive unconditional: 938, negative: 355, negative conditional: 262, negative unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 15683, positive: 14138, positive conditional: 0, positive unconditional: 14138, negative: 1545, negative conditional: 0, negative unconditional: 1545, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 659, positive: 603, positive conditional: 0, positive unconditional: 603, negative: 56, negative conditional: 0, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 659, positive: 563, positive conditional: 0, positive unconditional: 563, negative: 96, negative conditional: 0, negative unconditional: 96, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 96, positive: 40, positive conditional: 0, positive unconditional: 40, negative: 56, negative conditional: 0, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 273, positive: 98, positive conditional: 58, positive unconditional: 40, negative: 175, negative conditional: 119, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 462, positive: 159, positive conditional: 59, positive unconditional: 100, negative: 303, negative conditional: 134, negative unconditional: 168, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 15683, positive: 13535, positive conditional: 0, positive unconditional: 13535, negative: 1489, negative conditional: 0, negative unconditional: 1489, unknown: 659, unknown conditional: 0, unknown unconditional: 659] , Statistics on independence cache: Total cache size (in pairs): 836, Positive cache size: 661, Positive conditional cache size: 58, Positive unconditional cache size: 603, Negative cache size: 175, Negative conditional cache size: 119, Negative unconditional cache size: 56, SemanticConditionEliminator.Independence Queries: [ total: 4620, positive: 1190, positive conditional: 1190, positive unconditional: 0, negative: 3430, negative conditional: 1779, negative unconditional: 1651, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4620, positive: 1190, positive conditional: 1190, positive unconditional: 0, negative: 3430, negative conditional: 1779, negative unconditional: 1651, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 273, positive: 98, positive conditional: 58, positive unconditional: 40, negative: 175, negative conditional: 119, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 462, positive: 159, positive conditional: 59, positive unconditional: 100, negative: 303, negative conditional: 134, negative unconditional: 168, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4620, positive: 1132, positive conditional: 1132, positive unconditional: 0, negative: 3311, negative conditional: 1660, negative unconditional: 1651, unknown: 177, unknown conditional: 177, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 836, Positive cache size: 661, Positive conditional cache size: 58, Positive unconditional cache size: 603, Negative cache size: 175, Negative conditional cache size: 119, Negative unconditional cache size: 56, Eliminated conditions: 1429, SemanticConditionEliminator.Independence Queries: [ total: 4620, positive: 1190, positive conditional: 1190, positive unconditional: 0, negative: 3430, negative conditional: 1779, negative unconditional: 1651, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4620, positive: 1190, positive conditional: 1190, positive unconditional: 0, negative: 3430, negative conditional: 1779, negative unconditional: 1651, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 273, positive: 98, positive conditional: 58, positive unconditional: 40, negative: 175, negative conditional: 119, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 462, positive: 159, positive conditional: 59, positive unconditional: 100, negative: 303, negative conditional: 134, negative unconditional: 168, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4620, positive: 1132, positive conditional: 1132, positive unconditional: 0, negative: 3311, negative conditional: 1660, negative unconditional: 1651, unknown: 177, unknown conditional: 177, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 836, Positive cache size: 661, Positive conditional cache size: 58, Positive unconditional cache size: 603, Negative cache size: 175, Negative conditional cache size: 119, Negative unconditional cache size: 56, Eliminated conditions: 1429, SemanticConditionEliminator.Independence Queries: [ total: 4620, positive: 1190, positive conditional: 1190, positive unconditional: 0, negative: 3430, negative conditional: 1779, negative unconditional: 1651, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4620, positive: 1190, positive conditional: 1190, positive unconditional: 0, negative: 3430, negative conditional: 1779, negative unconditional: 1651, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 273, positive: 98, positive conditional: 58, positive unconditional: 40, negative: 175, negative conditional: 119, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 462, positive: 159, positive conditional: 59, positive unconditional: 100, negative: 303, negative conditional: 134, negative unconditional: 168, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4620, positive: 1132, positive conditional: 1132, positive unconditional: 0, negative: 3311, negative conditional: 1660, negative unconditional: 1651, unknown: 177, unknown conditional: 177, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 836, Positive cache size: 661, Positive conditional cache size: 58, Positive unconditional cache size: 603, Negative cache size: 175, Negative conditional cache size: 119, Negative unconditional cache size: 56, Eliminated conditions: 1429, SemanticConditionEliminator.Independence Queries: [ total: 4620, positive: 1190, positive conditional: 1190, positive unconditional: 0, negative: 3430, negative conditional: 1779, negative unconditional: 1651, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4620, positive: 1190, positive conditional: 1190, positive unconditional: 0, negative: 3430, negative conditional: 1779, negative unconditional: 1651, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 273, positive: 98, positive conditional: 58, positive unconditional: 40, negative: 175, negative conditional: 119, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 462, positive: 159, positive conditional: 59, positive unconditional: 100, negative: 303, negative conditional: 134, negative unconditional: 168, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4620, positive: 1132, positive conditional: 1132, positive unconditional: 0, negative: 3311, negative conditional: 1660, negative unconditional: 1651, unknown: 177, unknown conditional: 177, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 836, Positive cache size: 661, Positive conditional cache size: 58, Positive unconditional cache size: 603, Negative cache size: 175, Negative conditional cache size: 119, Negative unconditional cache size: 56, Eliminated conditions: 1429, SemanticConditionEliminator.Independence Queries: [ total: 4620, positive: 1190, positive conditional: 1190, positive unconditional: 0, negative: 3430, negative conditional: 1779, negative unconditional: 1651, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4620, positive: 1190, positive conditional: 1190, positive unconditional: 0, negative: 3430, negative conditional: 1779, negative unconditional: 1651, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 273, positive: 98, positive conditional: 58, positive unconditional: 40, negative: 175, negative conditional: 119, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 462, positive: 159, positive conditional: 59, positive unconditional: 100, negative: 303, negative conditional: 134, negative unconditional: 168, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4620, positive: 1132, positive conditional: 1132, positive unconditional: 0, negative: 3311, negative conditional: 1660, negative unconditional: 1651, unknown: 177, unknown conditional: 177, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 836, Positive cache size: 661, Positive conditional cache size: 58, Positive unconditional cache size: 603, Negative cache size: 175, Negative conditional cache size: 119, Negative unconditional cache size: 56, Eliminated conditions: 1429, SemanticConditionEliminator.Independence Queries: [ total: 4620, positive: 1190, positive conditional: 1190, positive unconditional: 0, negative: 3430, negative conditional: 1779, negative unconditional: 1651, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4620, positive: 1190, positive conditional: 1190, positive unconditional: 0, negative: 3430, negative conditional: 1779, negative unconditional: 1651, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 273, positive: 98, positive conditional: 58, positive unconditional: 40, negative: 175, negative conditional: 119, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 462, positive: 159, positive conditional: 59, positive unconditional: 100, negative: 303, negative conditional: 134, negative unconditional: 168, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4620, positive: 1132, positive conditional: 1132, positive unconditional: 0, negative: 3311, negative conditional: 1660, negative unconditional: 1651, unknown: 177, unknown conditional: 177, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 836, Positive cache size: 661, Positive conditional cache size: 58, Positive unconditional cache size: 603, Negative cache size: 175, Negative conditional cache size: 119, Negative unconditional cache size: 56, Eliminated conditions: 1429 ], Maximal queried relation: 6, Independence queries for same thread: 777 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 583, positive: 557, positive conditional: 37, positive unconditional: 520, 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: 577, positive: 557, positive conditional: 37, positive unconditional: 520, 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: 577, positive: 557, positive conditional: 0, positive unconditional: 557, 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: 405, positive: 385, positive conditional: 0, positive unconditional: 385, 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: 405, positive: 369, positive conditional: 0, positive unconditional: 369, 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: 46, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 577, positive: 172, positive conditional: 0, positive unconditional: 172, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 405, unknown conditional: 0, unknown unconditional: 405] , Statistics on independence cache: Total cache size (in pairs): 405, Positive cache size: 385, Positive conditional cache size: 0, Positive unconditional cache size: 385, 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]: 50, Number of persistent set computation: 19, Number of trivial persistent sets: 15, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 583, positive: 557, positive conditional: 37, positive unconditional: 520, 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: 577, positive: 557, positive conditional: 37, positive unconditional: 520, 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: 577, positive: 557, positive conditional: 0, positive unconditional: 557, 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: 405, positive: 385, positive conditional: 0, positive unconditional: 385, 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: 405, positive: 369, positive conditional: 0, positive unconditional: 369, 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: 46, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 577, positive: 172, positive conditional: 0, positive unconditional: 172, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 405, unknown conditional: 0, unknown unconditional: 405] , Statistics on independence cache: Total cache size (in pairs): 405, Positive cache size: 385, Positive conditional cache size: 0, Positive unconditional cache size: 385, 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: 2233.5ms, OverallIterations: 6, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 7.2ms, PartialOrderReductionTime: 1374.9ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 33, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 11.7ms SsaConstructionTime, 60.8ms SatisfiabilityAnalysisTime, 366.5ms InterpolantComputationTime, 132 NumberOfCodeBlocks, 132 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 125 ConstructedInterpolants, 0 QuantifiedInterpolants, 613 SizeOfPredicates, 0 NumberOfNonLiveVariables, 44 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 4/6 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: 56.9ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.6ms, PartialOrderReductionTime: 50.6ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...