/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-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct05.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-1c3aa5735269c4be989a50fc1da9ea7b9492ef29-1c3aa57 [2021-07-01 11:13:17,119 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-01 11:13:17,122 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-01 11:13:17,158 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-01 11:13:17,226 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-Lockstep.epf [2021-07-01 11:13:17,267 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-01 11:13:17,267 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-01 11:13:17,268 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-01 11:13:17,268 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-01 11:13:17,270 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-01 11:13:17,270 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-01 11:13:17,271 INFO L138 SettingsManager]: * Use SBE=true [2021-07-01 11:13:17,271 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-01 11:13:17,271 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-01 11:13:17,271 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-01 11:13:17,272 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-01 11:13:17,272 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-01 11:13:17,272 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-01 11:13:17,272 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-01 11:13:17,272 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-01 11:13:17,273 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-01 11:13:17,273 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-01 11:13:17,273 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-01 11:13:17,273 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-01 11:13:17,273 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-01 11:13:17,273 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-01 11:13:17,273 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-01 11:13:17,274 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-01 11:13:17,274 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-01 11:13:17,274 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-01 11:13:17,274 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-01 11:13:17,274 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-01 11:13:17,274 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-01 11:13:17,274 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-07-01 11:13:17,275 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-01 11:13:17,275 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-01 11:13:17,275 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-01 11:13:17,275 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-01 11:13:17,275 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-07-01 11:13:17,275 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-01 11:13:17,565 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-01 11:13:17,583 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-01 11:13:17,585 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-01 11:13:17,586 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-01 11:13:17,587 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-01 11:13:17,588 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct05.bpl [2021-07-01 11:13:17,588 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct05.bpl' [2021-07-01 11:13:17,609 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-01 11:13:17,610 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-01 11:13:17,611 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-01 11:13:17,611 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-01 11:13:17,611 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-01 11:13:17,627 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth-correct05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:13:17" (1/1) ... [2021-07-01 11:13:17,633 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth-correct05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:13:17" (1/1) ... [2021-07-01 11:13:17,646 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-01 11:13:17,648 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-01 11:13:17,648 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-01 11:13:17,648 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-01 11:13:17,654 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth-correct05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:13:17" (1/1) ... [2021-07-01 11:13:17,654 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth-correct05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:13:17" (1/1) ... [2021-07-01 11:13:17,655 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth-correct05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:13:17" (1/1) ... [2021-07-01 11:13:17,655 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth-correct05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:13:17" (1/1) ... [2021-07-01 11:13:17,656 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth-correct05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:13:17" (1/1) ... [2021-07-01 11:13:17,659 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth-correct05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:13:17" (1/1) ... [2021-07-01 11:13:17,660 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth-correct05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:13:17" (1/1) ... [2021-07-01 11:13:17,662 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-01 11:13:17,663 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-01 11:13:17,663 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-01 11:13:17,663 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-01 11:13:17,664 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-correct05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:13:17" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-01 11:13:17,745 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThreadWithAssert given in one single declaration [2021-07-01 11:13:17,745 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThreadWithAssert [2021-07-01 11:13:17,745 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThreadWithAssert [2021-07-01 11:13:17,745 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration [2021-07-01 11:13:17,745 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThread [2021-07-01 11:13:17,745 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThread [2021-07-01 11:13:17,746 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration [2021-07-01 11:13:17,747 INFO L130 BoogieDeclarations]: Found specification of procedure ServerThread [2021-07-01 11:13:17,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ServerThread [2021-07-01 11:13:17,747 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-01 11:13:17,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-01 11:13:17,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-01 11:13:17,748 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 11:13:17,966 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-01 11:13:17,966 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-07-01 11:13:17,967 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadWithAssertEXIT is neither atomic block end nor error location. [2021-07-01 11:13:17,967 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadEXIT is neither atomic block end nor error location. [2021-07-01 11:13:17,968 INFO L202 PluginConnector]: Adding new model bluetooth-correct05.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 11:13:17 BoogieIcfgContainer [2021-07-01 11:13:17,969 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-01 11:13:17,970 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-01 11:13:17,970 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-01 11:13:17,973 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-01 11:13:17,973 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-correct05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:13:17" (1/2) ... [2021-07-01 11:13:17,974 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53ee4de0 and model type bluetooth-correct05.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 11:13:17, skipping insertion in model container [2021-07-01 11:13:17,974 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-correct05.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 11:13:17" (2/2) ... [2021-07-01 11:13:17,975 INFO L111 eAbstractionObserver]: Analyzing ICFG bluetooth-correct05.bpl [2021-07-01 11:13:17,979 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-01 11:13:17,980 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-01 11:13:17,980 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-01 11:13:17,980 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-01 11:13:18,011 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-01 11:13:18,030 INFO L255 AbstractCegarLoop]: Starting to check reachability of 6 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 11:13:18,085 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-01 11:13:18,085 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-01 11:13:18,085 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-01 11:13:18,085 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-01 11:13:18,100 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-01 11:13:18,100 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-01 11:13:18,100 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-01 11:13:18,100 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-01 11:13:19,501 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (1/2) [2021-07-01 11:13:19,503 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 11:13:19,514 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-01 11:13:19,514 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-01 11:13:19,514 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-01 11:13:19,515 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-01 11:13:19,515 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-01 11:13:19,515 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-01 11:13:19,515 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-01 11:13:19,515 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == DeviceThreadWithAssertThread1of1ForFork1======== [2021-07-01 11:13:19,547 INFO L430 AbstractCegarLoop]: === Iteration 1 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:13:19,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:13:19,554 INFO L82 PathProgramCache]: Analyzing trace with hash -1504354890, now seen corresponding path program 1 times [2021-07-01 11:13:19,561 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:13:19,561 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100982180] [2021-07-01 11:13:19,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:13:19,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:13:19,681 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 11:13:19,682 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:13:19,682 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100982180] [2021-07-01 11:13:19,683 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100982180] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 11:13:19,683 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 11:13:19,683 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-01 11:13:19,684 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687319431] [2021-07-01 11:13:19,688 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-01 11:13:19,688 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:13:19,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-01 11:13:19,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-01 11:13:19,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:13:19,698 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:13:19,699 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 11:13:19,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:13:19,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:13:19,781 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-01 11:13:19,781 INFO L430 AbstractCegarLoop]: === Iteration 2 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:13:19,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:13:19,782 INFO L82 PathProgramCache]: Analyzing trace with hash 1198405354, now seen corresponding path program 1 times [2021-07-01 11:13:19,782 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:13:19,782 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794498829] [2021-07-01 11:13:19,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:13:19,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:13:19,802 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 11:13:19,803 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:13:19,803 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794498829] [2021-07-01 11:13:19,803 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1794498829] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 11:13:19,803 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 11:13:19,804 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-01 11:13:19,804 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407137803] [2021-07-01 11:13:19,805 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-01 11:13:19,806 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:13:19,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-01 11:13:19,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-01 11:13:19,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:13:19,808 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:13:19,809 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 11:13:19,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:13:19,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:13:19,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:13:19,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:13:19,900 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-01 11:13:19,901 INFO L430 AbstractCegarLoop]: === Iteration 3 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:13:19,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:13:19,901 INFO L82 PathProgramCache]: Analyzing trace with hash 564400941, now seen corresponding path program 1 times [2021-07-01 11:13:19,901 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:13:19,901 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56612824] [2021-07-01 11:13:19,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:13:19,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:13:20,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-01 11:13:20,006 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:13:20,007 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56612824] [2021-07-01 11:13:20,007 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56612824] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 11:13:20,007 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 11:13:20,007 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-01 11:13:20,007 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505560504] [2021-07-01 11:13:20,008 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-01 11:13:20,008 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:13:20,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-01 11:13:20,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-07-01 11:13:20,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:13:20,009 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:13:20,009 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-01 11:13:20,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:13:20,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:13:20,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:13:20,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:13:20,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:13:20,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:13:20,197 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-01 11:13:20,197 INFO L430 AbstractCegarLoop]: === Iteration 4 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:13:20,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:13:20,200 INFO L82 PathProgramCache]: Analyzing trace with hash 1100900467, now seen corresponding path program 1 times [2021-07-01 11:13:20,200 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:13:20,200 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951514824] [2021-07-01 11:13:20,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:13:20,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:13:20,300 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-01 11:13:20,300 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:13:20,300 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951514824] [2021-07-01 11:13:20,300 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951514824] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:13:20,300 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1124224883] [2021-07-01 11:13:20,301 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 11:13:20,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:13:20,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 24 conjunts are in the unsatisfiable core [2021-07-01 11:13:20,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-01 11:13:20,577 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-01 11:13:20,578 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1124224883] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:13:20,578 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-01 11:13:20,578 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-07-01 11:13:20,578 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351922432] [2021-07-01 11:13:20,578 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-01 11:13:20,578 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:13:20,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-01 11:13:20,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2021-07-01 11:13:20,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:13:20,579 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:13:20,579 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 4.454545454545454) internal successors, (49), 10 states have internal predecessors, (49), 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 11:13:20,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:13:20,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:13:20,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:13:20,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:13:20,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:13:20,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:13:20,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:13:20,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-01 11:13:21,120 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 11:13:21,121 INFO L430 AbstractCegarLoop]: === Iteration 5 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:13:21,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:13:21,121 INFO L82 PathProgramCache]: Analyzing trace with hash 625791469, now seen corresponding path program 1 times [2021-07-01 11:13:21,121 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:13:21,122 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567686986] [2021-07-01 11:13:21,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:13:21,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:13:21,227 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-01 11:13:21,227 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:13:21,228 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567686986] [2021-07-01 11:13:21,228 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567686986] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:13:21,228 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [54637992] [2021-07-01 11:13:21,228 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 11:13:21,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:13:21,269 WARN L261 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 34 conjunts are in the unsatisfiable core [2021-07-01 11:13:21,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-01 11:13:21,421 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-01 11:13:21,421 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [54637992] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:13:21,421 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-01 11:13:21,421 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-07-01 11:13:21,421 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866687075] [2021-07-01 11:13:21,422 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-01 11:13:21,422 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:13:21,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-01 11:13:21,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=99, Unknown=0, NotChecked=0, Total=156 [2021-07-01 11:13:21,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:13:21,424 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:13:21,425 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 4.6923076923076925) internal successors, (61), 12 states have internal predecessors, (61), 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 11:13:21,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:13:21,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:13:21,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:13:21,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-01 11:13:21,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:13:22,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:13:22,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:13:22,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:13:22,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-01 11:13:22,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-01 11:13:22,536 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 11:13:22,536 INFO L430 AbstractCegarLoop]: === Iteration 6 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:13:22,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:13:22,536 INFO L82 PathProgramCache]: Analyzing trace with hash 1969913260, now seen corresponding path program 1 times [2021-07-01 11:13:22,537 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:13:22,537 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940859666] [2021-07-01 11:13:22,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:13:22,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:13:22,721 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 25 proven. 12 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-07-01 11:13:22,721 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:13:22,721 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940859666] [2021-07-01 11:13:22,721 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940859666] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:13:22,721 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [300982995] [2021-07-01 11:13:22,722 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 11:13:22,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:13:22,766 WARN L261 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 69 conjunts are in the unsatisfiable core [2021-07-01 11:13:22,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-01 11:13:22,940 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 3 proven. 34 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-07-01 11:13:22,940 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [300982995] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:13:22,940 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-01 11:13:22,940 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2021-07-01 11:13:22,940 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878699598] [2021-07-01 11:13:22,941 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-01 11:13:22,941 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:13:22,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-01 11:13:22,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2021-07-01 11:13:22,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:13:22,942 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:13:22,942 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 5.333333333333333) internal successors, (80), 14 states have internal predecessors, (80), 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 11:13:22,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:13:22,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:13:22,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:13:22,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-01 11:13:22,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-01 11:13:22,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:13:26,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:13:26,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:13:26,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:13:26,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-01 11:13:26,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-01 11:13:26,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-01 11:13:27,154 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-07-01 11:13:27,157 INFO L430 AbstractCegarLoop]: === Iteration 7 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:13:27,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:13:27,157 INFO L82 PathProgramCache]: Analyzing trace with hash 855649961, now seen corresponding path program 1 times [2021-07-01 11:13:27,158 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:13:27,158 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585824216] [2021-07-01 11:13:27,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:13:27,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:13:27,447 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 44 proven. 17 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-07-01 11:13:27,447 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:13:27,447 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585824216] [2021-07-01 11:13:27,448 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585824216] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:13:27,448 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1386173634] [2021-07-01 11:13:27,448 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 11:13:27,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:13:27,505 WARN L261 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 104 conjunts are in the unsatisfiable core [2021-07-01 11:13:27,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-01 11:13:27,715 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 4 proven. 57 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-07-01 11:13:27,717 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1386173634] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:13:27,717 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-01 11:13:27,717 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-07-01 11:13:27,717 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103895751] [2021-07-01 11:13:27,718 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-01 11:13:27,719 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:13:27,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-01 11:13:27,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2021-07-01 11:13:27,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:13:27,720 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:13:27,720 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 5.294117647058823) internal successors, (90), 16 states have internal predecessors, (90), 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 11:13:27,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:13:27,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:13:27,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:13:27,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-01 11:13:27,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-01 11:13:27,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-01 11:13:27,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:13:32,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:13:32,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:13:32,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:13:32,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-01 11:13:32,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-01 11:13:32,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-01 11:13:32,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-01 11:13:32,591 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 11:13:32,594 INFO L301 ceAbstractionStarter]: Result for error location DeviceThreadWithAssertThread1of1ForFork1 was SAFE (2/2) [2021-07-01 11:13:32,594 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-01 11:13:32,599 INFO L202 PluginConnector]: Adding new model bluetooth-correct05.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 11:13:32 BasicIcfg [2021-07-01 11:13:32,600 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-01 11:13:32,600 INFO L168 Benchmark]: Toolchain (without parser) took 14990.05 ms. Allocated memory was 179.3 MB in the beginning and 2.7 GB in the end (delta: 2.5 GB). Free memory was 158.4 MB in the beginning and 2.2 GB in the end (delta: -2.0 GB). Peak memory consumption was 879.0 MB. Max. memory is 8.0 GB. [2021-07-01 11:13:32,600 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.14 ms. Allocated memory is still 179.3 MB. Free memory is still 159.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-01 11:13:32,601 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.77 ms. Allocated memory is still 179.3 MB. Free memory was 158.3 MB in the beginning and 156.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-01 11:13:32,601 INFO L168 Benchmark]: Boogie Preprocessor took 14.30 ms. Allocated memory is still 179.3 MB. Free memory was 156.5 MB in the beginning and 155.6 MB in the end (delta: 873.0 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-01 11:13:32,601 INFO L168 Benchmark]: RCFGBuilder took 305.81 ms. Allocated memory is still 179.3 MB. Free memory was 155.6 MB in the beginning and 140.6 MB in the end (delta: 15.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-07-01 11:13:32,601 INFO L168 Benchmark]: TraceAbstraction took 14629.57 ms. Allocated memory was 179.3 MB in the beginning and 2.7 GB in the end (delta: 2.5 GB). Free memory was 140.1 MB in the beginning and 2.2 GB in the end (delta: -2.0 GB). Peak memory consumption was 861.2 MB. Max. memory is 8.0 GB. [2021-07-01 11:13:32,601 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 0.14 ms. Allocated memory is still 179.3 MB. Free memory is still 159.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 35.77 ms. Allocated memory is still 179.3 MB. Free memory was 158.3 MB in the beginning and 156.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 14.30 ms. Allocated memory is still 179.3 MB. Free memory was 156.5 MB in the beginning and 155.6 MB in the end (delta: 873.0 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 305.81 ms. Allocated memory is still 179.3 MB. Free memory was 155.6 MB in the beginning and 140.6 MB in the end (delta: 15.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 14629.57 ms. Allocated memory was 179.3 MB in the beginning and 2.7 GB in the end (delta: 2.5 GB). Free memory was 140.1 MB in the beginning and 2.2 GB in the end (delta: -2.0 GB). Peak memory consumption was 861.2 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: 108932, positive: 83087, positive conditional: 83087, positive unconditional: 0, negative: 25845, negative conditional: 25845, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 97889, positive: 83087, positive conditional: 83087, positive unconditional: 0, negative: 14802, negative conditional: 14802, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 97889, positive: 83087, positive conditional: 0, positive unconditional: 83087, negative: 14802, negative conditional: 0, negative unconditional: 14802, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 354, positive: 312, positive conditional: 0, positive unconditional: 312, 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: 354, positive: 270, positive conditional: 0, positive unconditional: 270, negative: 84, negative conditional: 0, negative unconditional: 84, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 84, positive: 42, positive conditional: 0, positive unconditional: 42, 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: 84, positive: 42, positive conditional: 0, positive unconditional: 42, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 409, positive: 184, positive conditional: 0, positive unconditional: 184, negative: 225, negative conditional: 0, negative unconditional: 225, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 97889, positive: 82775, positive conditional: 0, positive unconditional: 82775, negative: 14760, negative conditional: 0, negative unconditional: 14760, unknown: 354, unknown conditional: 0, unknown unconditional: 354] , Statistics on independence cache: Total cache size (in pairs): 354, Positive cache size: 312, Positive conditional cache size: 0, Positive unconditional cache size: 312, Negative cache size: 42, Negative conditional cache size: 0, Negative unconditional cache size: 42 ], Maximal queried relation: 0, Independence queries for same thread: 11043 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1721404, positive: 1604091, positive conditional: 1604091, positive unconditional: 0, negative: 117313, negative conditional: 117313, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 1639420, positive: 1604091, positive conditional: 1604091, positive unconditional: 0, negative: 35329, negative conditional: 35329, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 1639420, positive: 1351988, positive conditional: 0, positive unconditional: 1351988, negative: 287432, negative conditional: 0, negative unconditional: 287432, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 459, positive: 403, positive conditional: 0, positive unconditional: 403, negative: 56, negative conditional: 0, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 459, positive: 346, positive conditional: 0, positive unconditional: 346, negative: 113, negative conditional: 0, negative unconditional: 113, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 113, positive: 57, positive conditional: 0, positive unconditional: 57, negative: 56, negative conditional: 0, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1073, positive: 745, positive conditional: 688, positive unconditional: 57, negative: 328, negative conditional: 272, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1490, positive: 1111, positive conditional: 998, positive unconditional: 112, negative: 380, negative conditional: 281, negative unconditional: 98, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1639420, positive: 1351585, positive conditional: 0, positive unconditional: 1351585, negative: 287376, negative conditional: 0, negative unconditional: 287376, unknown: 459, unknown conditional: 0, unknown unconditional: 459] , Statistics on independence cache: Total cache size (in pairs): 1419, Positive cache size: 1091, Positive conditional cache size: 688, Positive unconditional cache size: 403, Negative cache size: 328, Negative conditional cache size: 272, Negative unconditional cache size: 56, SemanticConditionEliminator.Independence Queries: [ total: 827205, positive: 252103, positive conditional: 252103, positive unconditional: 0, negative: 575102, negative conditional: 124603, negative unconditional: 450499, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 827205, positive: 252103, positive conditional: 252103, positive unconditional: 0, negative: 575102, negative conditional: 124603, negative unconditional: 450499, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1073, positive: 745, positive conditional: 688, positive unconditional: 57, negative: 328, negative conditional: 272, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1490, positive: 1111, positive conditional: 998, positive unconditional: 112, negative: 380, negative conditional: 281, negative unconditional: 98, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 827205, positive: 251415, positive conditional: 251415, positive unconditional: 0, negative: 574830, negative conditional: 124331, negative unconditional: 450499, unknown: 960, unknown conditional: 960, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1419, Positive cache size: 1091, Positive conditional cache size: 688, Positive unconditional cache size: 403, Negative cache size: 328, Negative conditional cache size: 272, Negative unconditional cache size: 56, Eliminated conditions: 450499, SemanticConditionEliminator.Independence Queries: [ total: 827205, positive: 252103, positive conditional: 252103, positive unconditional: 0, negative: 575102, negative conditional: 124603, negative unconditional: 450499, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 827205, positive: 252103, positive conditional: 252103, positive unconditional: 0, negative: 575102, negative conditional: 124603, negative unconditional: 450499, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1073, positive: 745, positive conditional: 688, positive unconditional: 57, negative: 328, negative conditional: 272, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1490, positive: 1111, positive conditional: 998, positive unconditional: 112, negative: 380, negative conditional: 281, negative unconditional: 98, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 827205, positive: 251415, positive conditional: 251415, positive unconditional: 0, negative: 574830, negative conditional: 124331, negative unconditional: 450499, unknown: 960, unknown conditional: 960, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1419, Positive cache size: 1091, Positive conditional cache size: 688, Positive unconditional cache size: 403, Negative cache size: 328, Negative conditional cache size: 272, Negative unconditional cache size: 56, Eliminated conditions: 450499, SemanticConditionEliminator.Independence Queries: [ total: 827205, positive: 252103, positive conditional: 252103, positive unconditional: 0, negative: 575102, negative conditional: 124603, negative unconditional: 450499, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 827205, positive: 252103, positive conditional: 252103, positive unconditional: 0, negative: 575102, negative conditional: 124603, negative unconditional: 450499, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1073, positive: 745, positive conditional: 688, positive unconditional: 57, negative: 328, negative conditional: 272, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1490, positive: 1111, positive conditional: 998, positive unconditional: 112, negative: 380, negative conditional: 281, negative unconditional: 98, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 827205, positive: 251415, positive conditional: 251415, positive unconditional: 0, negative: 574830, negative conditional: 124331, negative unconditional: 450499, unknown: 960, unknown conditional: 960, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1419, Positive cache size: 1091, Positive conditional cache size: 688, Positive unconditional cache size: 403, Negative cache size: 328, Negative conditional cache size: 272, Negative unconditional cache size: 56, Eliminated conditions: 450499, SemanticConditionEliminator.Independence Queries: [ total: 827205, positive: 252103, positive conditional: 252103, positive unconditional: 0, negative: 575102, negative conditional: 124603, negative unconditional: 450499, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 827205, positive: 252103, positive conditional: 252103, positive unconditional: 0, negative: 575102, negative conditional: 124603, negative unconditional: 450499, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1073, positive: 745, positive conditional: 688, positive unconditional: 57, negative: 328, negative conditional: 272, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1490, positive: 1111, positive conditional: 998, positive unconditional: 112, negative: 380, negative conditional: 281, negative unconditional: 98, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 827205, positive: 251415, positive conditional: 251415, positive unconditional: 0, negative: 574830, negative conditional: 124331, negative unconditional: 450499, unknown: 960, unknown conditional: 960, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1419, Positive cache size: 1091, Positive conditional cache size: 688, Positive unconditional cache size: 403, Negative cache size: 328, Negative conditional cache size: 272, Negative unconditional cache size: 56, Eliminated conditions: 450499, SemanticConditionEliminator.Independence Queries: [ total: 827205, positive: 252103, positive conditional: 252103, positive unconditional: 0, negative: 575102, negative conditional: 124603, negative unconditional: 450499, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 827205, positive: 252103, positive conditional: 252103, positive unconditional: 0, negative: 575102, negative conditional: 124603, negative unconditional: 450499, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1073, positive: 745, positive conditional: 688, positive unconditional: 57, negative: 328, negative conditional: 272, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1490, positive: 1111, positive conditional: 998, positive unconditional: 112, negative: 380, negative conditional: 281, negative unconditional: 98, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 827205, positive: 251415, positive conditional: 251415, positive unconditional: 0, negative: 574830, negative conditional: 124331, negative unconditional: 450499, unknown: 960, unknown conditional: 960, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1419, Positive cache size: 1091, Positive conditional cache size: 688, Positive unconditional cache size: 403, Negative cache size: 328, Negative conditional cache size: 272, Negative unconditional cache size: 56, Eliminated conditions: 450499, SemanticConditionEliminator.Independence Queries: [ total: 827205, positive: 252103, positive conditional: 252103, positive unconditional: 0, negative: 575102, negative conditional: 124603, negative unconditional: 450499, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 827205, positive: 252103, positive conditional: 252103, positive unconditional: 0, negative: 575102, negative conditional: 124603, negative unconditional: 450499, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1073, positive: 745, positive conditional: 688, positive unconditional: 57, negative: 328, negative conditional: 272, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1490, positive: 1111, positive conditional: 998, positive unconditional: 112, negative: 380, negative conditional: 281, negative unconditional: 98, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 827205, positive: 251415, positive conditional: 251415, positive unconditional: 0, negative: 574830, negative conditional: 124331, negative unconditional: 450499, unknown: 960, unknown conditional: 960, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1419, Positive cache size: 1091, Positive conditional cache size: 688, Positive unconditional cache size: 403, Negative cache size: 328, Negative conditional cache size: 272, Negative unconditional cache size: 56, Eliminated conditions: 450499, SemanticConditionEliminator.Independence Queries: [ total: 827205, positive: 252103, positive conditional: 252103, positive unconditional: 0, negative: 575102, negative conditional: 124603, negative unconditional: 450499, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 827205, positive: 252103, positive conditional: 252103, positive unconditional: 0, negative: 575102, negative conditional: 124603, negative unconditional: 450499, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1073, positive: 745, positive conditional: 688, positive unconditional: 57, negative: 328, negative conditional: 272, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1490, positive: 1111, positive conditional: 998, positive unconditional: 112, negative: 380, negative conditional: 281, negative unconditional: 98, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 827205, positive: 251415, positive conditional: 251415, positive unconditional: 0, negative: 574830, negative conditional: 124331, negative unconditional: 450499, unknown: 960, unknown conditional: 960, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1419, Positive cache size: 1091, Positive conditional cache size: 688, Positive unconditional cache size: 403, Negative cache size: 328, Negative conditional cache size: 272, Negative unconditional cache size: 56, Eliminated conditions: 450499 ], Maximal queried relation: 7, Independence queries for same thread: 81984 - PositiveResult [Line: 38]: 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 10 procedures, 55 locations, 8 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1456.4ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 10.3ms, PartialOrderReductionTime: 1372.8ms, 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 10 procedures, 55 locations, 8 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13084.5ms, OverallIterations: 7, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.3ms, PartialOrderReductionTime: 10241.8ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 53, 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: 42.0ms SsaConstructionTime, 296.5ms SatisfiabilityAnalysisTime, 1379.8ms InterpolantComputationTime, 381 NumberOfCodeBlocks, 381 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 370 ConstructedInterpolants, 0 QuantifiedInterpolants, 1937 SizeOfPredicates, 4 NumberOfNonLiveVariables, 381 ConjunctsInSsa, 231 ConjunctsInUnsatCore, 11 InterpolantComputations, 3 PerfectInterpolantSequences, 162/298 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...