/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-Random521.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 13:32:29,848 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-01 13:32:29,849 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-01 13:32:29,878 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-01 13:32:29,893 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-01 13:32:29,894 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-01 13:32:29,895 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-01 13:32:29,896 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-01 13:32:29,898 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-01 13:32:29,898 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-01 13:32:29,900 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-01 13:32:29,904 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-01 13:32:29,905 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-01 13:32:29,906 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-01 13:32:29,906 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-01 13:32:29,908 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-01 13:32:29,912 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-07-01 13:32:29,918 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-01 13:32:29,920 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-01 13:32:29,921 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-01 13:32:29,923 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-Random521.epf [2021-07-01 13:32:29,967 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-01 13:32:29,968 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-01 13:32:29,968 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-01 13:32:29,968 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-01 13:32:29,970 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-01 13:32:29,970 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-01 13:32:29,970 INFO L138 SettingsManager]: * Use SBE=true [2021-07-01 13:32:29,970 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-01 13:32:29,971 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-01 13:32:29,971 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-01 13:32:29,971 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-01 13:32:29,971 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-01 13:32:29,972 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-01 13:32:29,972 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-01 13:32:29,972 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-01 13:32:29,972 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-01 13:32:29,972 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-01 13:32:29,972 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-01 13:32:29,972 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-01 13:32:29,972 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-01 13:32:29,973 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-01 13:32:29,973 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-01 13:32:29,973 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-01 13:32:29,973 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-01 13:32:29,973 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-01 13:32:29,973 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-01 13:32:29,973 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-01 13:32:29,973 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-01 13:32:29,973 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-07-01 13:32:29,974 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-01 13:32:29,974 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-01 13:32:29,974 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-01 13:32:29,974 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-01 13:32:29,974 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-01 13:32:29,974 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-01 13:32:29,974 INFO L138 SettingsManager]: * Random seed used by POR DFS order=521 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-01 13:32:30,199 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-01 13:32:30,231 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-01 13:32:30,232 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-01 13:32:30,233 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-01 13:32:30,234 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-01 13:32:30,234 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-serverassert04.bpl [2021-07-01 13:32:30,234 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-serverassert04.bpl' [2021-07-01 13:32:30,249 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-01 13:32:30,250 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-01 13:32:30,251 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-01 13:32:30,251 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-01 13:32:30,251 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-01 13:32:30,258 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 01:32:30" (1/1) ... [2021-07-01 13:32:30,262 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 01:32:30" (1/1) ... [2021-07-01 13:32:30,271 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-01 13:32:30,272 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-01 13:32:30,272 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-01 13:32:30,272 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-01 13:32:30,276 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 01:32:30" (1/1) ... [2021-07-01 13:32:30,277 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 01:32:30" (1/1) ... [2021-07-01 13:32:30,277 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 01:32:30" (1/1) ... [2021-07-01 13:32:30,277 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 01:32:30" (1/1) ... [2021-07-01 13:32:30,278 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 01:32:30" (1/1) ... [2021-07-01 13:32:30,279 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 01:32:30" (1/1) ... [2021-07-01 13:32:30,280 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 01:32:30" (1/1) ... [2021-07-01 13:32:30,280 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-01 13:32:30,281 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-01 13:32:30,281 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-01 13:32:30,281 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-01 13:32:30,282 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-serverassert04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 01:32:30" (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 13:32:30,358 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration [2021-07-01 13:32:30,358 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThread [2021-07-01 13:32:30,358 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThread [2021-07-01 13:32:30,358 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration [2021-07-01 13:32:30,358 INFO L130 BoogieDeclarations]: Found specification of procedure ServerThread [2021-07-01 13:32:30,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ServerThread [2021-07-01 13:32:30,359 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-01 13:32:30,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-01 13:32:30,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-01 13:32:30,359 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 13:32:30,546 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-01 13:32:30,546 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-07-01 13:32:30,547 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadEXIT is neither atomic block end nor error location. [2021-07-01 13:32:30,548 INFO L202 PluginConnector]: Adding new model bluetooth-serverassert04.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 01:32:30 BoogieIcfgContainer [2021-07-01 13:32:30,548 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-01 13:32:30,549 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-01 13:32:30,549 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-01 13:32:30,551 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-01 13:32:30,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-serverassert04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 01:32:30" (1/2) ... [2021-07-01 13:32:30,552 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e546e54 and model type bluetooth-serverassert04.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 01:32:30, skipping insertion in model container [2021-07-01 13:32:30,552 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 01:32:30" (2/2) ... [2021-07-01 13:32:30,553 INFO L111 eAbstractionObserver]: Analyzing ICFG bluetooth-serverassert04.bpl [2021-07-01 13:32:30,556 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-01 13:32:30,556 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-01 13:32:30,556 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-01 13:32:30,557 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-01 13:32:30,576 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-01 13:32:30,591 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 13:32:30,669 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-01 13:32:30,669 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-01 13:32:30,670 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-01 13:32:30,670 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-01 13:32:30,670 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-01 13:32:30,670 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-01 13:32:30,670 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-01 13:32:30,670 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ServerThreadThread1of1ForFork0======== [2021-07-01 13:32:30,972 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 13:32:30,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 13:32:30,978 INFO L82 PathProgramCache]: Analyzing trace with hash 1109218522, now seen corresponding path program 1 times [2021-07-01 13:32:30,984 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 13:32:30,984 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653192070] [2021-07-01 13:32:30,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 13:32:31,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 13:32:31,071 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 13:32:31,072 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 13:32:31,073 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653192070] [2021-07-01 13:32:31,073 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653192070] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 13:32:31,073 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 13:32:31,074 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-01 13:32:31,074 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039261549] [2021-07-01 13:32:31,079 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-01 13:32:31,079 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 13:32:31,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-01 13:32:31,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-01 13:32:31,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 13:32:31,093 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 13:32:31,094 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-01 13:32:31,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 13:32:31,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 13:32:31,148 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-01 13:32:31,148 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 13:32:31,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 13:32:31,148 INFO L82 PathProgramCache]: Analyzing trace with hash -1731990912, now seen corresponding path program 1 times [2021-07-01 13:32:31,149 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 13:32:31,149 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074439130] [2021-07-01 13:32:31,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 13:32:31,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 13:32:31,177 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 13:32:31,177 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 13:32:31,177 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074439130] [2021-07-01 13:32:31,177 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074439130] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 13:32:31,177 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 13:32:31,177 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-01 13:32:31,178 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338456926] [2021-07-01 13:32:31,178 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-01 13:32:31,178 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 13:32:31,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-01 13:32:31,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-07-01 13:32:31,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 13:32:31,179 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 13:32:31,179 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 4.75) 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 13:32:31,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 13:32:31,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 13:32:31,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 13:32:31,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 13:32:31,350 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-01 13:32:31,350 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 13:32:31,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 13:32:31,351 INFO L82 PathProgramCache]: Analyzing trace with hash -1343674332, now seen corresponding path program 1 times [2021-07-01 13:32:31,351 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 13:32:31,351 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479474583] [2021-07-01 13:32:31,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 13:32:31,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 13:32:31,406 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 13:32:31,406 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 13:32:31,406 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479474583] [2021-07-01 13:32:31,406 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479474583] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 13:32:31,406 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [710673494] [2021-07-01 13:32:31,407 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 13:32:31,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 13:32:31,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-01 13:32:31,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-01 13:32:31,535 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 13:32:31,536 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [710673494] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 13:32:31,536 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-01 13:32:31,536 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-07-01 13:32:31,536 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490104481] [2021-07-01 13:32:31,536 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-01 13:32:31,536 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 13:32:31,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-01 13:32:31,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-07-01 13:32:31,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 13:32:31,537 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 13:32:31,537 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 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 13:32:31,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 13:32:31,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 13:32:31,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 13:32:31,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 13:32:31,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 13:32:31,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-01 13:32:31,915 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 13:32:31,916 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 13:32:31,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 13:32:31,917 INFO L82 PathProgramCache]: Analyzing trace with hash 2066061094, now seen corresponding path program 1 times [2021-07-01 13:32:31,917 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 13:32:31,917 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791864127] [2021-07-01 13:32:31,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 13:32:31,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 13:32:31,966 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-01 13:32:31,967 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 13:32:31,967 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791864127] [2021-07-01 13:32:31,967 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791864127] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 13:32:31,967 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [748394841] [2021-07-01 13:32:31,967 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 13:32:32,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 13:32:32,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-01 13:32:32,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-01 13:32:32,133 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-01 13:32:32,134 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [748394841] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 13:32:32,134 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-01 13:32:32,134 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-07-01 13:32:32,134 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415897636] [2021-07-01 13:32:32,134 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-01 13:32:32,134 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 13:32:32,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-01 13:32:32,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2021-07-01 13:32:32,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 13:32:32,135 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 13:32:32,135 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 9 states have internal predecessors, (23), 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 13:32:32,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 13:32:32,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 13:32:32,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-01 13:32:32,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 13:32:32,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 13:32:32,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 13:32:32,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-01 13:32:32,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-01 13:32:32,852 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 13:32:32,853 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 13:32:32,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 13:32:32,853 INFO L82 PathProgramCache]: Analyzing trace with hash 296818574, now seen corresponding path program 1 times [2021-07-01 13:32:32,853 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 13:32:32,853 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514426222] [2021-07-01 13:32:32,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 13:32:32,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 13:32:32,900 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 13:32:32,900 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 13:32:32,901 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514426222] [2021-07-01 13:32:32,901 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514426222] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 13:32:32,901 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [345537207] [2021-07-01 13:32:32,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 13:32:32,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 13:32:32,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-01 13:32:32,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-01 13:32:32,981 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 13:32:32,981 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [345537207] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 13:32:32,981 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-01 13:32:32,981 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2021-07-01 13:32:32,981 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96960519] [2021-07-01 13:32:32,982 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-01 13:32:32,982 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 13:32:32,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-01 13:32:32,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-07-01 13:32:32,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 13:32:32,982 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 13:32:32,983 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 6 states have (on average 4.0) internal successors, (24), 6 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 13:32:32,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 13:32:32,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 13:32:32,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-01 13:32:32,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-01 13:32:32,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 13:32:33,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 13:32:33,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 13:32:33,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-01 13:32:33,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-01 13:32:33,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-01 13:32:33,874 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 13:32:33,874 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 13:32:33,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 13:32:33,875 INFO L82 PathProgramCache]: Analyzing trace with hash -391757299, now seen corresponding path program 2 times [2021-07-01 13:32:33,875 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 13:32:33,875 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88975265] [2021-07-01 13:32:33,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 13:32:33,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 13:32:33,936 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-01 13:32:33,936 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 13:32:33,936 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88975265] [2021-07-01 13:32:33,936 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88975265] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 13:32:33,936 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [676084363] [2021-07-01 13:32:33,936 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 13:32:34,027 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-01 13:32:34,027 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-01 13:32:34,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-01 13:32:34,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-01 13:32:34,101 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-01 13:32:34,102 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [676084363] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 13:32:34,102 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-01 13:32:34,102 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2021-07-01 13:32:34,102 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33583961] [2021-07-01 13:32:34,102 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-01 13:32:34,102 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 13:32:34,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-01 13:32:34,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2021-07-01 13:32:34,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 13:32:34,103 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 13:32:34,103 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 10 states have (on average 2.9) internal successors, (29), 10 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-01 13:32:34,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 13:32:34,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 13:32:34,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-01 13:32:34,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-01 13:32:34,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-01 13:32:34,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 13:32:35,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 13:32:35,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 13:32:35,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-01 13:32:35,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-01 13:32:35,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-01 13:32:35,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-01 13:32:35,571 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-07-01 13:32:35,578 INFO L301 ceAbstractionStarter]: Result for error location ServerThreadThread1of1ForFork0 was SAFE (1/2) [2021-07-01 13:32:35,579 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 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-01 13:32:35,599 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-01 13:32:35,599 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-01 13:32:35,599 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-01 13:32:35,599 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-01 13:32:35,599 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-01 13:32:35,599 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-01 13:32:35,599 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-01 13:32:35,599 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-01 13:32:36,410 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (2/2) [2021-07-01 13:32:36,411 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-01 13:32:36,413 INFO L202 PluginConnector]: Adding new model bluetooth-serverassert04.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 01:32:36 BasicIcfg [2021-07-01 13:32:36,413 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-01 13:32:36,414 INFO L168 Benchmark]: Toolchain (without parser) took 6164.02 ms. Allocated memory was 184.5 MB in the beginning and 571.5 MB in the end (delta: 386.9 MB). Free memory was 165.1 MB in the beginning and 518.6 MB in the end (delta: -353.5 MB). Peak memory consumption was 349.0 MB. Max. memory is 8.0 GB. [2021-07-01 13:32:36,414 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.08 ms. Allocated memory is still 184.5 MB. Free memory was 166.2 MB in the beginning and 166.1 MB in the end (delta: 93.4 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-07-01 13:32:36,417 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.54 ms. Allocated memory is still 184.5 MB. Free memory was 164.9 MB in the beginning and 163.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-01 13:32:36,418 INFO L168 Benchmark]: Boogie Preprocessor took 8.85 ms. Allocated memory is still 184.5 MB. Free memory was 163.1 MB in the beginning and 162.3 MB in the end (delta: 825.1 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-01 13:32:36,418 INFO L168 Benchmark]: RCFGBuilder took 267.06 ms. Allocated memory is still 184.5 MB. Free memory was 162.1 MB in the beginning and 148.9 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-07-01 13:32:36,418 INFO L168 Benchmark]: TraceAbstraction took 5864.31 ms. Allocated memory was 184.5 MB in the beginning and 571.5 MB in the end (delta: 386.9 MB). Free memory was 148.4 MB in the beginning and 518.6 MB in the end (delta: -370.2 MB). Peak memory consumption was 332.2 MB. Max. memory is 8.0 GB. [2021-07-01 13:32:36,419 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 0.08 ms. Allocated memory is still 184.5 MB. Free memory was 166.2 MB in the beginning and 166.1 MB in the end (delta: 93.4 kB). There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 20.54 ms. Allocated memory is still 184.5 MB. Free memory was 164.9 MB in the beginning and 163.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 8.85 ms. Allocated memory is still 184.5 MB. Free memory was 163.1 MB in the beginning and 162.3 MB in the end (delta: 825.1 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 267.06 ms. Allocated memory is still 184.5 MB. Free memory was 162.1 MB in the beginning and 148.9 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 5864.31 ms. Allocated memory was 184.5 MB in the beginning and 571.5 MB in the end (delta: 386.9 MB). Free memory was 148.4 MB in the beginning and 518.6 MB in the end (delta: -370.2 MB). Peak memory consumption was 332.2 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: 66115, positive: 58799, positive conditional: 58178, positive unconditional: 621, negative: 7316, negative conditional: 7241, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 60201, positive: 58799, positive conditional: 58178, positive unconditional: 621, negative: 1402, negative conditional: 1327, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 60201, positive: 50457, positive conditional: 0, positive unconditional: 50457, negative: 9744, negative conditional: 0, negative unconditional: 9744, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 560, positive: 510, positive conditional: 0, positive unconditional: 510, negative: 50, negative conditional: 0, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 560, positive: 474, positive conditional: 0, positive unconditional: 474, negative: 86, negative conditional: 0, negative unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 86, positive: 36, positive conditional: 0, positive unconditional: 36, negative: 50, negative conditional: 0, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 290, positive: 137, positive conditional: 101, positive unconditional: 36, negative: 153, negative conditional: 103, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 455, positive: 169, positive conditional: 94, positive unconditional: 76, negative: 286, negative conditional: 102, negative unconditional: 184, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 60201, positive: 49947, positive conditional: 0, positive unconditional: 49947, negative: 9694, negative conditional: 0, negative unconditional: 9694, unknown: 560, unknown conditional: 0, unknown unconditional: 560] , Statistics on independence cache: Total cache size (in pairs): 764, Positive cache size: 611, Positive conditional cache size: 101, Positive unconditional cache size: 510, Negative cache size: 153, Negative conditional cache size: 103, Negative unconditional cache size: 50, SemanticConditionEliminator.Independence Queries: [ total: 20111, positive: 8342, positive conditional: 8342, positive unconditional: 0, negative: 11769, negative conditional: 5051, negative unconditional: 6718, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 20111, positive: 8342, positive conditional: 8342, positive unconditional: 0, negative: 11769, negative conditional: 5051, negative unconditional: 6718, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 290, positive: 137, positive conditional: 101, positive unconditional: 36, negative: 153, negative conditional: 103, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 455, positive: 169, positive conditional: 94, positive unconditional: 76, negative: 286, negative conditional: 102, negative unconditional: 184, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 20111, positive: 8241, positive conditional: 8241, positive unconditional: 0, negative: 11666, negative conditional: 4948, negative unconditional: 6718, unknown: 204, unknown conditional: 204, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 764, Positive cache size: 611, Positive conditional cache size: 101, Positive unconditional cache size: 510, Negative cache size: 153, Negative conditional cache size: 103, Negative unconditional cache size: 50, Eliminated conditions: 6584, SemanticConditionEliminator.Independence Queries: [ total: 20111, positive: 8342, positive conditional: 8342, positive unconditional: 0, negative: 11769, negative conditional: 5051, negative unconditional: 6718, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 20111, positive: 8342, positive conditional: 8342, positive unconditional: 0, negative: 11769, negative conditional: 5051, negative unconditional: 6718, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 290, positive: 137, positive conditional: 101, positive unconditional: 36, negative: 153, negative conditional: 103, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 455, positive: 169, positive conditional: 94, positive unconditional: 76, negative: 286, negative conditional: 102, negative unconditional: 184, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 20111, positive: 8241, positive conditional: 8241, positive unconditional: 0, negative: 11666, negative conditional: 4948, negative unconditional: 6718, unknown: 204, unknown conditional: 204, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 764, Positive cache size: 611, Positive conditional cache size: 101, Positive unconditional cache size: 510, Negative cache size: 153, Negative conditional cache size: 103, Negative unconditional cache size: 50, Eliminated conditions: 6584, SemanticConditionEliminator.Independence Queries: [ total: 20111, positive: 8342, positive conditional: 8342, positive unconditional: 0, negative: 11769, negative conditional: 5051, negative unconditional: 6718, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 20111, positive: 8342, positive conditional: 8342, positive unconditional: 0, negative: 11769, negative conditional: 5051, negative unconditional: 6718, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 290, positive: 137, positive conditional: 101, positive unconditional: 36, negative: 153, negative conditional: 103, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 455, positive: 169, positive conditional: 94, positive unconditional: 76, negative: 286, negative conditional: 102, negative unconditional: 184, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 20111, positive: 8241, positive conditional: 8241, positive unconditional: 0, negative: 11666, negative conditional: 4948, negative unconditional: 6718, unknown: 204, unknown conditional: 204, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 764, Positive cache size: 611, Positive conditional cache size: 101, Positive unconditional cache size: 510, Negative cache size: 153, Negative conditional cache size: 103, Negative unconditional cache size: 50, Eliminated conditions: 6584, SemanticConditionEliminator.Independence Queries: [ total: 20111, positive: 8342, positive conditional: 8342, positive unconditional: 0, negative: 11769, negative conditional: 5051, negative unconditional: 6718, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 20111, positive: 8342, positive conditional: 8342, positive unconditional: 0, negative: 11769, negative conditional: 5051, negative unconditional: 6718, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 290, positive: 137, positive conditional: 101, positive unconditional: 36, negative: 153, negative conditional: 103, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 455, positive: 169, positive conditional: 94, positive unconditional: 76, negative: 286, negative conditional: 102, negative unconditional: 184, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 20111, positive: 8241, positive conditional: 8241, positive unconditional: 0, negative: 11666, negative conditional: 4948, negative unconditional: 6718, unknown: 204, unknown conditional: 204, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 764, Positive cache size: 611, Positive conditional cache size: 101, Positive unconditional cache size: 510, Negative cache size: 153, Negative conditional cache size: 103, Negative unconditional cache size: 50, Eliminated conditions: 6584, SemanticConditionEliminator.Independence Queries: [ total: 20111, positive: 8342, positive conditional: 8342, positive unconditional: 0, negative: 11769, negative conditional: 5051, negative unconditional: 6718, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 20111, positive: 8342, positive conditional: 8342, positive unconditional: 0, negative: 11769, negative conditional: 5051, negative unconditional: 6718, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 290, positive: 137, positive conditional: 101, positive unconditional: 36, negative: 153, negative conditional: 103, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 455, positive: 169, positive conditional: 94, positive unconditional: 76, negative: 286, negative conditional: 102, negative unconditional: 184, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 20111, positive: 8241, positive conditional: 8241, positive unconditional: 0, negative: 11666, negative conditional: 4948, negative unconditional: 6718, unknown: 204, unknown conditional: 204, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 764, Positive cache size: 611, Positive conditional cache size: 101, Positive unconditional cache size: 510, Negative cache size: 153, Negative conditional cache size: 103, Negative unconditional cache size: 50, Eliminated conditions: 6584, SemanticConditionEliminator.Independence Queries: [ total: 20111, positive: 8342, positive conditional: 8342, positive unconditional: 0, negative: 11769, negative conditional: 5051, negative unconditional: 6718, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 20111, positive: 8342, positive conditional: 8342, positive unconditional: 0, negative: 11769, negative conditional: 5051, negative unconditional: 6718, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 290, positive: 137, positive conditional: 101, positive unconditional: 36, negative: 153, negative conditional: 103, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 455, positive: 169, positive conditional: 94, positive unconditional: 76, negative: 286, negative conditional: 102, negative unconditional: 184, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 20111, positive: 8241, positive conditional: 8241, positive unconditional: 0, negative: 11666, negative conditional: 4948, negative unconditional: 6718, unknown: 204, unknown conditional: 204, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 764, Positive cache size: 611, Positive conditional cache size: 101, Positive unconditional cache size: 510, Negative cache size: 153, Negative conditional cache size: 103, Negative unconditional cache size: 50, Eliminated conditions: 6584 ], Maximal queried relation: 6, Independence queries for same thread: 5914 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 1747, Number of persistent set computation: 23040, Number of trivial persistent sets: 22877, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 66115, positive: 58799, positive conditional: 58178, positive unconditional: 621, negative: 7316, negative conditional: 7241, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 60201, positive: 58799, positive conditional: 58178, positive unconditional: 621, negative: 1402, negative conditional: 1327, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 60201, positive: 50457, positive conditional: 0, positive unconditional: 50457, negative: 9744, negative conditional: 0, negative unconditional: 9744, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 560, positive: 510, positive conditional: 0, positive unconditional: 510, negative: 50, negative conditional: 0, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 560, positive: 474, positive conditional: 0, positive unconditional: 474, negative: 86, negative conditional: 0, negative unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 86, positive: 36, positive conditional: 0, positive unconditional: 36, negative: 50, negative conditional: 0, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 290, positive: 137, positive conditional: 101, positive unconditional: 36, negative: 153, negative conditional: 103, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 455, positive: 169, positive conditional: 94, positive unconditional: 76, negative: 286, negative conditional: 102, negative unconditional: 184, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 60201, positive: 49947, positive conditional: 0, positive unconditional: 49947, negative: 9694, negative conditional: 0, negative unconditional: 9694, unknown: 560, unknown conditional: 0, unknown unconditional: 560] , Statistics on independence cache: Total cache size (in pairs): 764, Positive cache size: 611, Positive conditional cache size: 101, Positive unconditional cache size: 510, Negative cache size: 153, Negative conditional cache size: 103, Negative unconditional cache size: 50, SemanticConditionEliminator.Independence Queries: [ total: 20111, positive: 8342, positive conditional: 8342, positive unconditional: 0, negative: 11769, negative conditional: 5051, negative unconditional: 6718, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 20111, positive: 8342, positive conditional: 8342, positive unconditional: 0, negative: 11769, negative conditional: 5051, negative unconditional: 6718, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 290, positive: 137, positive conditional: 101, positive unconditional: 36, negative: 153, negative conditional: 103, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 455, positive: 169, positive conditional: 94, positive unconditional: 76, negative: 286, negative conditional: 102, negative unconditional: 184, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 20111, positive: 8241, positive conditional: 8241, positive unconditional: 0, negative: 11666, negative conditional: 4948, negative unconditional: 6718, unknown: 204, unknown conditional: 204, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 764, Positive cache size: 611, Positive conditional cache size: 101, Positive unconditional cache size: 510, Negative cache size: 153, Negative conditional cache size: 103, Negative unconditional cache size: 50, Eliminated conditions: 6584, SemanticConditionEliminator.Independence Queries: [ total: 20111, positive: 8342, positive conditional: 8342, positive unconditional: 0, negative: 11769, negative conditional: 5051, negative unconditional: 6718, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 20111, positive: 8342, positive conditional: 8342, positive unconditional: 0, negative: 11769, negative conditional: 5051, negative unconditional: 6718, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 290, positive: 137, positive conditional: 101, positive unconditional: 36, negative: 153, negative conditional: 103, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 455, positive: 169, positive conditional: 94, positive unconditional: 76, negative: 286, negative conditional: 102, negative unconditional: 184, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 20111, positive: 8241, positive conditional: 8241, positive unconditional: 0, negative: 11666, negative conditional: 4948, negative unconditional: 6718, unknown: 204, unknown conditional: 204, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 764, Positive cache size: 611, Positive conditional cache size: 101, Positive unconditional cache size: 510, Negative cache size: 153, Negative conditional cache size: 103, Negative unconditional cache size: 50, Eliminated conditions: 6584, SemanticConditionEliminator.Independence Queries: [ total: 20111, positive: 8342, positive conditional: 8342, positive unconditional: 0, negative: 11769, negative conditional: 5051, negative unconditional: 6718, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 20111, positive: 8342, positive conditional: 8342, positive unconditional: 0, negative: 11769, negative conditional: 5051, negative unconditional: 6718, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 290, positive: 137, positive conditional: 101, positive unconditional: 36, negative: 153, negative conditional: 103, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 455, positive: 169, positive conditional: 94, positive unconditional: 76, negative: 286, negative conditional: 102, negative unconditional: 184, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 20111, positive: 8241, positive conditional: 8241, positive unconditional: 0, negative: 11666, negative conditional: 4948, negative unconditional: 6718, unknown: 204, unknown conditional: 204, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 764, Positive cache size: 611, Positive conditional cache size: 101, Positive unconditional cache size: 510, Negative cache size: 153, Negative conditional cache size: 103, Negative unconditional cache size: 50, Eliminated conditions: 6584, SemanticConditionEliminator.Independence Queries: [ total: 20111, positive: 8342, positive conditional: 8342, positive unconditional: 0, negative: 11769, negative conditional: 5051, negative unconditional: 6718, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 20111, positive: 8342, positive conditional: 8342, positive unconditional: 0, negative: 11769, negative conditional: 5051, negative unconditional: 6718, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 290, positive: 137, positive conditional: 101, positive unconditional: 36, negative: 153, negative conditional: 103, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 455, positive: 169, positive conditional: 94, positive unconditional: 76, negative: 286, negative conditional: 102, negative unconditional: 184, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 20111, positive: 8241, positive conditional: 8241, positive unconditional: 0, negative: 11666, negative conditional: 4948, negative unconditional: 6718, unknown: 204, unknown conditional: 204, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 764, Positive cache size: 611, Positive conditional cache size: 101, Positive unconditional cache size: 510, Negative cache size: 153, Negative conditional cache size: 103, Negative unconditional cache size: 50, Eliminated conditions: 6584, SemanticConditionEliminator.Independence Queries: [ total: 20111, positive: 8342, positive conditional: 8342, positive unconditional: 0, negative: 11769, negative conditional: 5051, negative unconditional: 6718, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 20111, positive: 8342, positive conditional: 8342, positive unconditional: 0, negative: 11769, negative conditional: 5051, negative unconditional: 6718, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 290, positive: 137, positive conditional: 101, positive unconditional: 36, negative: 153, negative conditional: 103, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 455, positive: 169, positive conditional: 94, positive unconditional: 76, negative: 286, negative conditional: 102, negative unconditional: 184, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 20111, positive: 8241, positive conditional: 8241, positive unconditional: 0, negative: 11666, negative conditional: 4948, negative unconditional: 6718, unknown: 204, unknown conditional: 204, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 764, Positive cache size: 611, Positive conditional cache size: 101, Positive unconditional cache size: 510, Negative cache size: 153, Negative conditional cache size: 103, Negative unconditional cache size: 50, Eliminated conditions: 6584, SemanticConditionEliminator.Independence Queries: [ total: 20111, positive: 8342, positive conditional: 8342, positive unconditional: 0, negative: 11769, negative conditional: 5051, negative unconditional: 6718, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 20111, positive: 8342, positive conditional: 8342, positive unconditional: 0, negative: 11769, negative conditional: 5051, negative unconditional: 6718, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 290, positive: 137, positive conditional: 101, positive unconditional: 36, negative: 153, negative conditional: 103, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 455, positive: 169, positive conditional: 94, positive unconditional: 76, negative: 286, negative conditional: 102, negative unconditional: 184, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 20111, positive: 8241, positive conditional: 8241, positive unconditional: 0, negative: 11666, negative conditional: 4948, negative unconditional: 6718, unknown: 204, unknown conditional: 204, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 764, Positive cache size: 611, Positive conditional cache size: 101, Positive unconditional cache size: 510, Negative cache size: 153, Negative conditional cache size: 103, Negative unconditional cache size: 50, Eliminated conditions: 6584 ], Maximal queried relation: 6, Independence queries for same thread: 5914 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 10830, positive: 7208, positive conditional: 6645, positive unconditional: 563, negative: 3622, negative conditional: 3560, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 9317, positive: 7208, positive conditional: 6645, positive unconditional: 563, negative: 2109, negative conditional: 2047, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 9317, positive: 7208, positive conditional: 0, positive unconditional: 7208, negative: 2109, negative conditional: 0, negative unconditional: 2109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 561, positive: 499, positive conditional: 0, positive unconditional: 499, negative: 62, negative conditional: 0, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 561, positive: 470, positive conditional: 0, positive unconditional: 470, negative: 91, negative conditional: 0, negative unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 91, positive: 29, positive conditional: 0, positive unconditional: 29, negative: 62, negative conditional: 0, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 91, positive: 29, positive conditional: 0, positive unconditional: 29, negative: 62, negative conditional: 0, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 237, positive: 116, positive conditional: 0, positive unconditional: 116, negative: 121, negative conditional: 0, negative unconditional: 121, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 9317, positive: 6709, positive conditional: 0, positive unconditional: 6709, negative: 2047, negative conditional: 0, negative unconditional: 2047, unknown: 561, unknown conditional: 0, unknown unconditional: 561] , Statistics on independence cache: Total cache size (in pairs): 561, Positive cache size: 499, Positive conditional cache size: 0, Positive unconditional cache size: 499, Negative cache size: 62, Negative conditional cache size: 0, Negative unconditional cache size: 62 ], Maximal queried relation: 0, Independence queries for same thread: 1513 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 556, Number of persistent set computation: 5112, Number of trivial persistent sets: 5065, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 10830, positive: 7208, positive conditional: 6645, positive unconditional: 563, negative: 3622, negative conditional: 3560, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 9317, positive: 7208, positive conditional: 6645, positive unconditional: 563, negative: 2109, negative conditional: 2047, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 9317, positive: 7208, positive conditional: 0, positive unconditional: 7208, negative: 2109, negative conditional: 0, negative unconditional: 2109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 561, positive: 499, positive conditional: 0, positive unconditional: 499, negative: 62, negative conditional: 0, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 561, positive: 470, positive conditional: 0, positive unconditional: 470, negative: 91, negative conditional: 0, negative unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 91, positive: 29, positive conditional: 0, positive unconditional: 29, negative: 62, negative conditional: 0, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 91, positive: 29, positive conditional: 0, positive unconditional: 29, negative: 62, negative conditional: 0, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 237, positive: 116, positive conditional: 0, positive unconditional: 116, negative: 121, negative conditional: 0, negative unconditional: 121, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 9317, positive: 6709, positive conditional: 0, positive unconditional: 6709, negative: 2047, negative conditional: 0, negative unconditional: 2047, unknown: 561, unknown conditional: 0, unknown unconditional: 561] , Statistics on independence cache: Total cache size (in pairs): 561, Positive cache size: 499, Positive conditional cache size: 0, Positive unconditional cache size: 499, Negative cache size: 62, Negative conditional cache size: 0, Negative unconditional cache size: 62 ], Maximal queried relation: 0, Independence queries for same thread: 1513 - 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: 4977.3ms, OverallIterations: 6, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 7.3ms, PartialOrderReductionTime: 3115.7ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 38, 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: 17.6ms SsaConstructionTime, 61.4ms SatisfiabilityAnalysisTime, 545.3ms InterpolantComputationTime, 223 NumberOfCodeBlocks, 223 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 213 ConstructedInterpolants, 0 QuantifiedInterpolants, 1201 SizeOfPredicates, 4 NumberOfNonLiveVariables, 179 ConjunctsInSsa, 56 ConjunctsInUnsatCore, 10 InterpolantComputations, 2 PerfectInterpolantSequences, 8/22 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: 830.4ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.7ms, PartialOrderReductionTime: 806.1ms, 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...