/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-NewStatesSleep-NoLbe-Random521.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-customized06.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-1c3aa5735269c4be989a50fc1da9ea7b9492ef29-1c3aa57 [2021-07-01 11:39:51,747 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-01 11:39:51,749 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-01 11:39:51,784 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-01 11:39:51,831 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-01 11:39:51,832 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-01 11:39:51,832 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-01 11:39:51,835 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-NewStatesSleep-NoLbe-Random521.epf [2021-07-01 11:39:51,880 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-01 11:39:51,881 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-01 11:39:51,881 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-01 11:39:51,881 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-01 11:39:51,883 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-01 11:39:51,883 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-01 11:39:51,883 INFO L138 SettingsManager]: * Use SBE=true [2021-07-01 11:39:51,884 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-01 11:39:51,884 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-01 11:39:51,884 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-01 11:39:51,884 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-01 11:39:51,884 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-01 11:39:51,885 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-01 11:39:51,885 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-01 11:39:51,885 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-01 11:39:51,885 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-01 11:39:51,885 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-01 11:39:51,885 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-01 11:39:51,885 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-01 11:39:51,885 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-01 11:39:51,885 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-01 11:39:51,885 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-01 11:39:51,886 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-01 11:39:51,886 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-01 11:39:51,886 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-01 11:39:51,886 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-01 11:39:51,886 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-01 11:39:51,886 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-01 11:39:51,886 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-07-01 11:39:51,886 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-01 11:39:51,886 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-01 11:39:51,886 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-01 11:39:51,887 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-01 11:39:51,887 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-07-01 11:39:51,887 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-01 11:39:51,887 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-01 11:39:52,116 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-01 11:39:52,130 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-01 11:39:52,132 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-01 11:39:52,133 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-01 11:39:52,133 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-01 11:39:52,134 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-customized06.bpl [2021-07-01 11:39:52,134 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-customized06.bpl' [2021-07-01 11:39:52,150 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-01 11:39:52,151 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-01 11:39:52,152 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-01 11:39:52,152 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-01 11:39:52,152 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-01 11:39:52,160 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth-customized06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:39:52" (1/1) ... [2021-07-01 11:39:52,164 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth-customized06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:39:52" (1/1) ... [2021-07-01 11:39:52,178 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-01 11:39:52,179 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-01 11:39:52,179 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-01 11:39:52,179 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-01 11:39:52,184 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth-customized06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:39:52" (1/1) ... [2021-07-01 11:39:52,185 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth-customized06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:39:52" (1/1) ... [2021-07-01 11:39:52,186 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth-customized06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:39:52" (1/1) ... [2021-07-01 11:39:52,186 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth-customized06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:39:52" (1/1) ... [2021-07-01 11:39:52,187 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth-customized06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:39:52" (1/1) ... [2021-07-01 11:39:52,191 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth-customized06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:39:52" (1/1) ... [2021-07-01 11:39:52,191 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth-customized06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:39:52" (1/1) ... [2021-07-01 11:39:52,192 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-01 11:39:52,194 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-01 11:39:52,194 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-01 11:39:52,194 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-01 11:39:52,195 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-customized06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:39:52" (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 11:39:52,267 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThreadWithAssert given in one single declaration [2021-07-01 11:39:52,267 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThreadWithAssert [2021-07-01 11:39:52,267 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThreadWithAssert [2021-07-01 11:39:52,268 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration [2021-07-01 11:39:52,268 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThread [2021-07-01 11:39:52,268 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThread [2021-07-01 11:39:52,268 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration [2021-07-01 11:39:52,268 INFO L130 BoogieDeclarations]: Found specification of procedure ServerThread [2021-07-01 11:39:52,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ServerThread [2021-07-01 11:39:52,268 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-01 11:39:52,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-01 11:39:52,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-01 11:39:52,269 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 11:39:52,506 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-01 11:39:52,506 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-07-01 11:39:52,507 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadWithAssertEXIT is neither atomic block end nor error location. [2021-07-01 11:39:52,507 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadEXIT is neither atomic block end nor error location. [2021-07-01 11:39:52,508 INFO L202 PluginConnector]: Adding new model bluetooth-customized06.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 11:39:52 BoogieIcfgContainer [2021-07-01 11:39:52,509 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-01 11:39:52,510 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-01 11:39:52,510 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-01 11:39:52,512 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-01 11:39:52,512 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-customized06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:39:52" (1/2) ... [2021-07-01 11:39:52,512 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32ce9710 and model type bluetooth-customized06.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 11:39:52, skipping insertion in model container [2021-07-01 11:39:52,513 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-customized06.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 11:39:52" (2/2) ... [2021-07-01 11:39:52,513 INFO L111 eAbstractionObserver]: Analyzing ICFG bluetooth-customized06.bpl [2021-07-01 11:39:52,517 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-01 11:39:52,517 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-01 11:39:52,517 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-01 11:39:52,518 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-01 11:39:52,579 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-01 11:39:52,596 INFO L255 AbstractCegarLoop]: Starting to check reachability of 7 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 11:39:52,724 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-01 11:39:52,724 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-01 11:39:52,725 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-01 11:39:52,725 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-01 11:39:52,725 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-01 11:39:52,725 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-01 11:39:52,725 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-01 11:39:52,725 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-01 11:39:55,725 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (1/2) [2021-07-01 11:39:55,726 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 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-01 11:39:55,742 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-01 11:39:55,742 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-01 11:39:55,742 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-01 11:39:55,742 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-01 11:39:55,742 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-01 11:39:55,742 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-01 11:39:55,742 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-01 11:39:55,742 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == DeviceThreadWithAssertThread1of1ForFork1======== [2021-07-01 11:39:55,785 INFO L430 AbstractCegarLoop]: === Iteration 1 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:39:55,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:39:55,789 INFO L82 PathProgramCache]: Analyzing trace with hash -781477652, now seen corresponding path program 1 times [2021-07-01 11:39:55,794 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:39:55,794 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039489478] [2021-07-01 11:39:55,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:39:55,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:39:55,871 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 11:39:55,871 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:39:55,871 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039489478] [2021-07-01 11:39:55,872 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039489478] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 11:39:55,872 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 11:39:55,872 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-01 11:39:55,873 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652812006] [2021-07-01 11:39:55,876 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-01 11:39:55,877 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:39:55,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-01 11:39:55,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-01 11:39:55,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:39:55,886 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:39:55,887 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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 11:39:55,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:39:56,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:39:56,011 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-01 11:39:56,011 INFO L430 AbstractCegarLoop]: === Iteration 2 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:39:56,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:39:56,011 INFO L82 PathProgramCache]: Analyzing trace with hash -975435494, now seen corresponding path program 1 times [2021-07-01 11:39:56,011 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:39:56,012 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373562110] [2021-07-01 11:39:56,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:39:56,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:39:56,040 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-01 11:39:56,040 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:39:56,040 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373562110] [2021-07-01 11:39:56,041 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [373562110] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 11:39:56,041 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 11:39:56,041 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-01 11:39:56,041 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235738255] [2021-07-01 11:39:56,042 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-01 11:39:56,042 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:39:56,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-01 11:39:56,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-07-01 11:39:56,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:39:56,043 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:39:56,043 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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 11:39:56,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:39:56,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:39:56,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:39:56,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-01 11:39:56,326 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-01 11:39:56,326 INFO L430 AbstractCegarLoop]: === Iteration 3 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:39:56,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:39:56,327 INFO L82 PathProgramCache]: Analyzing trace with hash 1789682947, now seen corresponding path program 1 times [2021-07-01 11:39:56,327 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:39:56,327 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624664436] [2021-07-01 11:39:56,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:39:56,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:39:56,399 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-01 11:39:56,399 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:39:56,399 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624664436] [2021-07-01 11:39:56,399 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624664436] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:39:56,399 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1063971187] [2021-07-01 11:39:56,400 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 11:39:56,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:39:56,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 12 conjunts are in the unsatisfiable core [2021-07-01 11:39:56,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-01 11:39:56,572 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-01 11:39:56,572 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1063971187] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:39:56,573 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-01 11:39:56,573 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-07-01 11:39:56,573 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126261846] [2021-07-01 11:39:56,574 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-01 11:39:56,574 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:39:56,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-01 11:39:56,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-07-01 11:39:56,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:39:56,577 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:39:56,577 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-01 11:39:56,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:39:56,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-01 11:39:56,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:39:56,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:39:56,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-01 11:39:56,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:39:57,045 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 11:39:57,046 INFO L430 AbstractCegarLoop]: === Iteration 4 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:39:57,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:39:57,049 INFO L82 PathProgramCache]: Analyzing trace with hash 969051030, now seen corresponding path program 1 times [2021-07-01 11:39:57,049 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:39:57,049 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197706913] [2021-07-01 11:39:57,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:39:57,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:39:57,181 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 29 proven. 12 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-07-01 11:39:57,181 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:39:57,181 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197706913] [2021-07-01 11:39:57,181 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197706913] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:39:57,181 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1636388939] [2021-07-01 11:39:57,182 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 11:39:57,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:39:57,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 34 conjunts are in the unsatisfiable core [2021-07-01 11:39:57,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-01 11:39:57,422 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 29 proven. 12 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-07-01 11:39:57,422 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1636388939] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:39:57,422 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-01 11:39:57,422 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-07-01 11:39:57,423 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438896894] [2021-07-01 11:39:57,423 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-01 11:39:57,423 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:39:57,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-01 11:39:57,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-07-01 11:39:57,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:39:57,424 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:39:57,424 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 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 11:39:57,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:39:57,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-01 11:39:57,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:39:57,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:39:58,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:39:58,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-01 11:39:58,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:39:58,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-01 11:39:58,237 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 11:39:58,238 INFO L430 AbstractCegarLoop]: === Iteration 5 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:39:58,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:39:58,238 INFO L82 PathProgramCache]: Analyzing trace with hash 465681758, now seen corresponding path program 1 times [2021-07-01 11:39:58,238 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:39:58,238 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138610865] [2021-07-01 11:39:58,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:39:58,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:39:58,310 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 14 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-01 11:39:58,311 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:39:58,311 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138610865] [2021-07-01 11:39:58,311 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138610865] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:39:58,311 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [871039899] [2021-07-01 11:39:58,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 11:39:58,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:39:58,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 22 conjunts are in the unsatisfiable core [2021-07-01 11:39:58,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-01 11:39:58,456 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 14 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-01 11:39:58,457 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [871039899] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:39:58,457 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-01 11:39:58,457 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2021-07-01 11:39:58,457 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718360082] [2021-07-01 11:39:58,457 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-01 11:39:58,458 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:39:58,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-01 11:39:58,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-07-01 11:39:58,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:39:58,458 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:39:58,458 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 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 11:39:58,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:39:58,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-01 11:39:58,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:39:58,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-01 11:39:58,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:40:07,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:40:07,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-01 11:40:07,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:40:07,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-01 11:40:07,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-01 11:40:07,244 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 11:40:07,244 INFO L430 AbstractCegarLoop]: === Iteration 6 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:40:07,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:40:07,245 INFO L82 PathProgramCache]: Analyzing trace with hash 1983055521, now seen corresponding path program 1 times [2021-07-01 11:40:07,245 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:40:07,245 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735752968] [2021-07-01 11:40:07,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:40:07,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:40:07,289 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-01 11:40:07,290 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:40:07,290 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735752968] [2021-07-01 11:40:07,290 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1735752968] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:40:07,290 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [17565180] [2021-07-01 11:40:07,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 11:40:07,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:40:07,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 18 conjunts are in the unsatisfiable core [2021-07-01 11:40:07,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-01 11:40:07,383 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-01 11:40:07,383 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [17565180] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:40:07,383 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-01 11:40:07,383 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2021-07-01 11:40:07,383 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759463394] [2021-07-01 11:40:07,384 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-01 11:40:07,384 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:40:07,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-01 11:40:07,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-07-01 11:40:07,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:40:07,384 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:40:07,384 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 7 states have (on average 4.571428571428571) internal successors, (32), 7 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-01 11:40:07,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:40:07,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-01 11:40:07,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:40:07,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-01 11:40:07,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-01 11:40:07,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:40:15,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:40:15,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-01 11:40:15,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:40:15,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-01 11:40:15,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-01 11:40:15,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-01 11:40:15,284 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 11:40:15,287 INFO L301 ceAbstractionStarter]: Result for error location DeviceThreadWithAssertThread1of1ForFork1 was SAFE (2/2) [2021-07-01 11:40:15,288 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-01 11:40:15,289 INFO L202 PluginConnector]: Adding new model bluetooth-customized06.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 11:40:15 BasicIcfg [2021-07-01 11:40:15,289 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-01 11:40:15,290 INFO L168 Benchmark]: Toolchain (without parser) took 23139.02 ms. Allocated memory was 185.6 MB in the beginning and 6.7 GB in the end (delta: 6.5 GB). Free memory was 166.5 MB in the beginning and 5.5 GB in the end (delta: -5.4 GB). Peak memory consumption was 1.1 GB. Max. memory is 8.0 GB. [2021-07-01 11:40:15,290 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 185.6 MB. Free memory is still 167.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-01 11:40:15,290 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.37 ms. Allocated memory is still 185.6 MB. Free memory was 166.3 MB in the beginning and 164.5 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-07-01 11:40:15,290 INFO L168 Benchmark]: Boogie Preprocessor took 13.46 ms. Allocated memory is still 185.6 MB. Free memory was 164.5 MB in the beginning and 163.6 MB in the end (delta: 906.3 kB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-01 11:40:15,290 INFO L168 Benchmark]: RCFGBuilder took 314.97 ms. Allocated memory is still 185.6 MB. Free memory was 163.5 MB in the beginning and 148.7 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-07-01 11:40:15,290 INFO L168 Benchmark]: TraceAbstraction took 22779.75 ms. Allocated memory was 185.6 MB in the beginning and 6.7 GB in the end (delta: 6.5 GB). Free memory was 148.2 MB in the beginning and 5.5 GB in the end (delta: -5.4 GB). Peak memory consumption was 1.1 GB. Max. memory is 8.0 GB. [2021-07-01 11:40:15,291 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 0.12 ms. Allocated memory is still 185.6 MB. Free memory is still 167.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 26.37 ms. Allocated memory is still 185.6 MB. Free memory was 166.3 MB in the beginning and 164.5 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 8.0 GB. * Boogie Preprocessor took 13.46 ms. Allocated memory is still 185.6 MB. Free memory was 164.5 MB in the beginning and 163.6 MB in the end (delta: 906.3 kB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 314.97 ms. Allocated memory is still 185.6 MB. Free memory was 163.5 MB in the beginning and 148.7 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 22779.75 ms. Allocated memory was 185.6 MB in the beginning and 6.7 GB in the end (delta: 6.5 GB). Free memory was 148.2 MB in the beginning and 5.5 GB in the end (delta: -5.4 GB). Peak memory consumption was 1.1 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1222263, positive: 1030194, positive conditional: 1030194, positive unconditional: 0, negative: 192069, negative conditional: 192069, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 1114671, positive: 1030194, positive conditional: 1030194, positive unconditional: 0, negative: 84477, negative conditional: 84477, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 1114671, positive: 1030194, positive conditional: 0, positive unconditional: 1030194, negative: 84477, negative conditional: 0, negative unconditional: 84477, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 509, positive: 467, positive conditional: 0, positive unconditional: 467, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 509, positive: 364, positive conditional: 0, positive unconditional: 364, negative: 145, negative conditional: 0, negative unconditional: 145, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 145, positive: 103, positive conditional: 0, positive unconditional: 103, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 145, positive: 103, positive conditional: 0, positive unconditional: 103, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 328, positive: 207, positive conditional: 0, positive unconditional: 207, negative: 121, negative conditional: 0, negative unconditional: 121, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1114671, positive: 1029727, positive conditional: 0, positive unconditional: 1029727, negative: 84435, negative conditional: 0, negative unconditional: 84435, unknown: 509, unknown conditional: 0, unknown unconditional: 509] , Statistics on independence cache: Total cache size (in pairs): 509, Positive cache size: 467, Positive conditional cache size: 0, Positive unconditional cache size: 467, Negative cache size: 42, Negative conditional cache size: 0, Negative unconditional cache size: 42 ], Maximal queried relation: 0, Independence queries for same thread: 107592 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4248921, positive: 3997492, positive conditional: 3997492, positive unconditional: 0, negative: 251429, negative conditional: 251429, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 4064146, positive: 3997492, positive conditional: 3997492, positive unconditional: 0, negative: 66654, negative conditional: 66654, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 4064146, positive: 3605194, positive conditional: 0, positive unconditional: 3605194, negative: 458952, negative conditional: 0, negative unconditional: 458952, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 657, positive: 608, positive conditional: 0, positive unconditional: 608, negative: 49, negative conditional: 0, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 657, positive: 465, positive conditional: 0, positive unconditional: 465, negative: 192, negative conditional: 0, negative unconditional: 192, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 192, positive: 143, positive conditional: 0, positive unconditional: 143, negative: 49, negative conditional: 0, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 596, positive: 346, positive conditional: 203, positive unconditional: 143, negative: 250, negative conditional: 201, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 519, positive: 259, positive conditional: 152, positive unconditional: 107, negative: 260, negative conditional: 187, negative unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4064146, positive: 3604586, positive conditional: 0, positive unconditional: 3604586, negative: 458903, negative conditional: 0, negative unconditional: 458903, unknown: 657, unknown conditional: 0, unknown unconditional: 657] , Statistics on independence cache: Total cache size (in pairs): 1061, Positive cache size: 811, Positive conditional cache size: 203, Positive unconditional cache size: 608, Negative cache size: 250, Negative conditional cache size: 201, Negative unconditional cache size: 49, SemanticConditionEliminator.Independence Queries: [ total: 1266398, positive: 392298, positive conditional: 392298, positive unconditional: 0, negative: 874100, negative conditional: 392024, negative unconditional: 482076, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1266398, positive: 392298, positive conditional: 392298, positive unconditional: 0, negative: 874100, negative conditional: 392024, negative unconditional: 482076, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 596, positive: 346, positive conditional: 203, positive unconditional: 143, negative: 250, negative conditional: 201, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 519, positive: 259, positive conditional: 152, positive unconditional: 107, negative: 260, negative conditional: 187, negative unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1266398, positive: 392095, positive conditional: 392095, positive unconditional: 0, negative: 873899, negative conditional: 391823, negative unconditional: 482076, unknown: 404, unknown conditional: 404, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1061, Positive cache size: 811, Positive conditional cache size: 203, Positive unconditional cache size: 608, Negative cache size: 250, Negative conditional cache size: 201, Negative unconditional cache size: 49, Eliminated conditions: 482076, SemanticConditionEliminator.Independence Queries: [ total: 1266398, positive: 392298, positive conditional: 392298, positive unconditional: 0, negative: 874100, negative conditional: 392024, negative unconditional: 482076, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1266398, positive: 392298, positive conditional: 392298, positive unconditional: 0, negative: 874100, negative conditional: 392024, negative unconditional: 482076, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 596, positive: 346, positive conditional: 203, positive unconditional: 143, negative: 250, negative conditional: 201, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 519, positive: 259, positive conditional: 152, positive unconditional: 107, negative: 260, negative conditional: 187, negative unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1266398, positive: 392095, positive conditional: 392095, positive unconditional: 0, negative: 873899, negative conditional: 391823, negative unconditional: 482076, unknown: 404, unknown conditional: 404, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1061, Positive cache size: 811, Positive conditional cache size: 203, Positive unconditional cache size: 608, Negative cache size: 250, Negative conditional cache size: 201, Negative unconditional cache size: 49, Eliminated conditions: 482076, SemanticConditionEliminator.Independence Queries: [ total: 1266398, positive: 392298, positive conditional: 392298, positive unconditional: 0, negative: 874100, negative conditional: 392024, negative unconditional: 482076, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1266398, positive: 392298, positive conditional: 392298, positive unconditional: 0, negative: 874100, negative conditional: 392024, negative unconditional: 482076, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 596, positive: 346, positive conditional: 203, positive unconditional: 143, negative: 250, negative conditional: 201, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 519, positive: 259, positive conditional: 152, positive unconditional: 107, negative: 260, negative conditional: 187, negative unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1266398, positive: 392095, positive conditional: 392095, positive unconditional: 0, negative: 873899, negative conditional: 391823, negative unconditional: 482076, unknown: 404, unknown conditional: 404, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1061, Positive cache size: 811, Positive conditional cache size: 203, Positive unconditional cache size: 608, Negative cache size: 250, Negative conditional cache size: 201, Negative unconditional cache size: 49, Eliminated conditions: 482076, SemanticConditionEliminator.Independence Queries: [ total: 1266398, positive: 392298, positive conditional: 392298, positive unconditional: 0, negative: 874100, negative conditional: 392024, negative unconditional: 482076, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1266398, positive: 392298, positive conditional: 392298, positive unconditional: 0, negative: 874100, negative conditional: 392024, negative unconditional: 482076, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 596, positive: 346, positive conditional: 203, positive unconditional: 143, negative: 250, negative conditional: 201, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 519, positive: 259, positive conditional: 152, positive unconditional: 107, negative: 260, negative conditional: 187, negative unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1266398, positive: 392095, positive conditional: 392095, positive unconditional: 0, negative: 873899, negative conditional: 391823, negative unconditional: 482076, unknown: 404, unknown conditional: 404, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1061, Positive cache size: 811, Positive conditional cache size: 203, Positive unconditional cache size: 608, Negative cache size: 250, Negative conditional cache size: 201, Negative unconditional cache size: 49, Eliminated conditions: 482076, SemanticConditionEliminator.Independence Queries: [ total: 1266398, positive: 392298, positive conditional: 392298, positive unconditional: 0, negative: 874100, negative conditional: 392024, negative unconditional: 482076, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1266398, positive: 392298, positive conditional: 392298, positive unconditional: 0, negative: 874100, negative conditional: 392024, negative unconditional: 482076, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 596, positive: 346, positive conditional: 203, positive unconditional: 143, negative: 250, negative conditional: 201, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 519, positive: 259, positive conditional: 152, positive unconditional: 107, negative: 260, negative conditional: 187, negative unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1266398, positive: 392095, positive conditional: 392095, positive unconditional: 0, negative: 873899, negative conditional: 391823, negative unconditional: 482076, unknown: 404, unknown conditional: 404, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1061, Positive cache size: 811, Positive conditional cache size: 203, Positive unconditional cache size: 608, Negative cache size: 250, Negative conditional cache size: 201, Negative unconditional cache size: 49, Eliminated conditions: 482076, SemanticConditionEliminator.Independence Queries: [ total: 1266398, positive: 392298, positive conditional: 392298, positive unconditional: 0, negative: 874100, negative conditional: 392024, negative unconditional: 482076, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1266398, positive: 392298, positive conditional: 392298, positive unconditional: 0, negative: 874100, negative conditional: 392024, negative unconditional: 482076, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 596, positive: 346, positive conditional: 203, positive unconditional: 143, negative: 250, negative conditional: 201, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 519, positive: 259, positive conditional: 152, positive unconditional: 107, negative: 260, negative conditional: 187, negative unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1266398, positive: 392095, positive conditional: 392095, positive unconditional: 0, negative: 873899, negative conditional: 391823, negative unconditional: 482076, unknown: 404, unknown conditional: 404, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1061, Positive cache size: 811, Positive conditional cache size: 203, Positive unconditional cache size: 608, Negative cache size: 250, Negative conditional cache size: 201, Negative unconditional cache size: 49, Eliminated conditions: 482076 ], Maximal queried relation: 6, Independence queries for same thread: 184775 - PositiveResult [Line: 39]: 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: ULTIMATE.start with 1 thread instances CFG has 11 procedures, 60 locations, 9 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3106.6ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 12.0ms, PartialOrderReductionTime: 2982.0ms, 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: DeviceThreadWithAssertThread1of1ForFork1 with 1 thread instances CFG has 11 procedures, 60 locations, 9 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 19558.4ms, OverallIterations: 6, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.0ms, PartialOrderReductionTime: 17545.9ms, 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: 24.1ms SsaConstructionTime, 117.9ms SatisfiabilityAnalysisTime, 707.6ms InterpolantComputationTime, 346 NumberOfCodeBlocks, 346 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 336 ConstructedInterpolants, 0 QuantifiedInterpolants, 986 SizeOfPredicates, 0 NumberOfNonLiveVariables, 317 ConjunctsInSsa, 86 ConjunctsInUnsatCore, 10 InterpolantComputations, 2 PerfectInterpolantSequences, 197/235 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...