/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-DelaySleep-NoLbe-Lockstep.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 10:32:28,232 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-01 10:32:28,233 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-01 10:32:28,252 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-01 10:32:28,277 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-DelaySleep-NoLbe-Lockstep.epf [2021-07-01 10:32:28,292 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-01 10:32:28,292 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-01 10:32:28,293 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-01 10:32:28,293 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-01 10:32:28,293 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-01 10:32:28,294 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-01 10:32:28,294 INFO L138 SettingsManager]: * Use SBE=true [2021-07-01 10:32:28,294 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-01 10:32:28,294 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-01 10:32:28,294 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-01 10:32:28,294 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-01 10:32:28,294 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-01 10:32:28,294 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-01 10:32:28,294 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-01 10:32:28,294 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-01 10:32:28,310 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-01 10:32:28,311 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-01 10:32:28,311 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-01 10:32:28,311 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-01 10:32:28,311 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-01 10:32:28,311 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-01 10:32:28,311 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-01 10:32:28,311 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-01 10:32:28,311 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-01 10:32:28,311 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-01 10:32:28,312 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-01 10:32:28,312 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-01 10:32:28,312 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-01 10:32:28,312 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-07-01 10:32:28,312 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-01 10:32:28,312 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-01 10:32:28,312 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-01 10:32:28,312 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-01 10:32:28,312 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-07-01 10:32:28,313 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-01 10:32:28,565 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-01 10:32:28,587 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-01 10:32:28,589 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-01 10:32:28,590 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-01 10:32:28,591 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-01 10:32:28,594 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-customized06.bpl [2021-07-01 10:32:28,594 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-customized06.bpl' [2021-07-01 10:32:28,614 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-01 10:32:28,615 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-01 10:32:28,616 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-01 10:32:28,616 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-01 10:32:28,616 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-01 10:32:28,626 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 10:32:28" (1/1) ... [2021-07-01 10:32:28,631 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 10:32:28" (1/1) ... [2021-07-01 10:32:28,643 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-01 10:32:28,645 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-01 10:32:28,645 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-01 10:32:28,645 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-01 10:32:28,650 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 10:32:28" (1/1) ... [2021-07-01 10:32:28,650 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 10:32:28" (1/1) ... [2021-07-01 10:32:28,651 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 10:32:28" (1/1) ... [2021-07-01 10:32:28,651 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 10:32:28" (1/1) ... [2021-07-01 10:32:28,653 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 10:32:28" (1/1) ... [2021-07-01 10:32:28,655 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 10:32:28" (1/1) ... [2021-07-01 10:32:28,655 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 10:32:28" (1/1) ... [2021-07-01 10:32:28,657 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-01 10:32:28,658 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-01 10:32:28,658 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-01 10:32:28,658 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-01 10:32:28,659 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-customized06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:32:28" (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 10:32:28,797 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThreadWithAssert given in one single declaration [2021-07-01 10:32:28,797 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThreadWithAssert [2021-07-01 10:32:28,797 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThreadWithAssert [2021-07-01 10:32:28,798 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration [2021-07-01 10:32:28,798 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThread [2021-07-01 10:32:28,798 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThread [2021-07-01 10:32:28,798 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration [2021-07-01 10:32:28,798 INFO L130 BoogieDeclarations]: Found specification of procedure ServerThread [2021-07-01 10:32:28,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ServerThread [2021-07-01 10:32:28,799 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-01 10:32:28,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-01 10:32:28,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-01 10:32:28,800 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 10:32:29,060 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-01 10:32:29,060 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-07-01 10:32:29,061 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadWithAssertEXIT is neither atomic block end nor error location. [2021-07-01 10:32:29,061 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadEXIT is neither atomic block end nor error location. [2021-07-01 10:32:29,062 INFO L202 PluginConnector]: Adding new model bluetooth-customized06.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 10:32:29 BoogieIcfgContainer [2021-07-01 10:32:29,062 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-01 10:32:29,064 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-01 10:32:29,064 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-01 10:32:29,066 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-01 10:32:29,066 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-customized06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:32:28" (1/2) ... [2021-07-01 10:32:29,067 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31ef3fa0 and model type bluetooth-customized06.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 10:32:29, skipping insertion in model container [2021-07-01 10:32:29,067 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 10:32:29" (2/2) ... [2021-07-01 10:32:29,068 INFO L111 eAbstractionObserver]: Analyzing ICFG bluetooth-customized06.bpl [2021-07-01 10:32:29,071 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-01 10:32:29,072 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-01 10:32:29,072 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-01 10:32:29,072 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-01 10:32:29,144 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-01 10:32:29,167 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 10:32:29,241 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-01 10:32:29,241 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-01 10:32:29,241 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-01 10:32:29,241 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-01 10:32:29,241 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-01 10:32:29,242 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-01 10:32:29,242 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-01 10:32:29,242 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-01 10:32:30,329 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (1/2) [2021-07-01 10:32:30,331 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 10:32:30,343 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-01 10:32:30,343 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-01 10:32:30,343 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-01 10:32:30,343 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-01 10:32:30,343 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-01 10:32:30,343 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-01 10:32:30,343 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-01 10:32:30,344 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == DeviceThreadWithAssertThread1of1ForFork1======== [2021-07-01 10:32:30,376 INFO L430 AbstractCegarLoop]: === Iteration 1 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 10:32:30,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 10:32:30,380 INFO L82 PathProgramCache]: Analyzing trace with hash 107812247, now seen corresponding path program 1 times [2021-07-01 10:32:30,386 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 10:32:30,386 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170567612] [2021-07-01 10:32:30,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 10:32:30,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 10:32:30,472 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 10:32:30,473 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 10:32:30,473 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170567612] [2021-07-01 10:32:30,473 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [170567612] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 10:32:30,473 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 10:32:30,473 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-01 10:32:30,474 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518665918] [2021-07-01 10:32:30,478 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-01 10:32:30,478 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 10:32:30,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-01 10:32:30,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-01 10:32:30,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:32:30,488 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 10:32:30,488 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 10:32:30,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:32:30,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:32:30,582 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-01 10:32:30,582 INFO L430 AbstractCegarLoop]: === Iteration 2 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 10:32:30,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 10:32:30,588 INFO L82 PathProgramCache]: Analyzing trace with hash -1520535990, now seen corresponding path program 1 times [2021-07-01 10:32:30,588 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 10:32:30,589 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585479191] [2021-07-01 10:32:30,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 10:32:30,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 10:32:30,619 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 10:32:30,619 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 10:32:30,619 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585479191] [2021-07-01 10:32:30,620 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585479191] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 10:32:30,620 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 10:32:30,620 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-01 10:32:30,620 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857208461] [2021-07-01 10:32:30,621 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-01 10:32:30,622 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 10:32:30,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-01 10:32:30,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-07-01 10:32:30,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:32:30,622 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 10:32:30,622 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 3 states have (on average 2.6666666666666665) 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 10:32:30,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:32:30,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:32:30,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:32:30,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-01 10:32:30,848 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-01 10:32:30,848 INFO L430 AbstractCegarLoop]: === Iteration 3 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 10:32:30,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 10:32:30,849 INFO L82 PathProgramCache]: Analyzing trace with hash -887099483, now seen corresponding path program 1 times [2021-07-01 10:32:30,849 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 10:32:30,849 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946201942] [2021-07-01 10:32:30,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 10:32:30,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 10:32:30,918 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-01 10:32:30,918 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 10:32:30,919 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946201942] [2021-07-01 10:32:30,919 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946201942] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 10:32:30,919 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 10:32:30,919 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-01 10:32:30,919 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389037550] [2021-07-01 10:32:30,920 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-01 10:32:30,920 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 10:32:30,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-01 10:32:30,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-07-01 10:32:30,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:32:30,921 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 10:32:30,921 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-01 10:32:30,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:32:30,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-01 10:32:30,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:32:31,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:32:31,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-01 10:32:31,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:32:31,131 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-01 10:32:31,132 INFO L430 AbstractCegarLoop]: === Iteration 4 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 10:32:31,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 10:32:31,133 INFO L82 PathProgramCache]: Analyzing trace with hash 1888170936, now seen corresponding path program 1 times [2021-07-01 10:32:31,133 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 10:32:31,133 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425637647] [2021-07-01 10:32:31,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 10:32:31,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 10:32:31,208 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-01 10:32:31,209 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 10:32:31,209 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425637647] [2021-07-01 10:32:31,209 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425637647] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 10:32:31,210 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [736219546] [2021-07-01 10:32:31,212 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 10:32:31,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 10:32:31,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 18 conjunts are in the unsatisfiable core [2021-07-01 10:32:31,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-01 10:32:31,521 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-01 10:32:31,522 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [736219546] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 10:32:31,522 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-01 10:32:31,522 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-07-01 10:32:31,522 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831999199] [2021-07-01 10:32:31,522 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-01 10:32:31,522 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 10:32:31,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-01 10:32:31,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-07-01 10:32:31,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:32:31,523 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 10:32:31,523 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 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 10:32:31,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:32:31,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-01 10:32:31,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:32:31,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:32:31,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:32:31,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-01 10:32:31,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:32:31,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-01 10:32:32,162 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 10:32:32,163 INFO L430 AbstractCegarLoop]: === Iteration 5 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 10:32:32,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 10:32:32,163 INFO L82 PathProgramCache]: Analyzing trace with hash -493941969, now seen corresponding path program 1 times [2021-07-01 10:32:32,163 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 10:32:32,163 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504094088] [2021-07-01 10:32:32,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 10:32:32,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 10:32:32,254 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 15 proven. 10 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-07-01 10:32:32,255 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 10:32:32,255 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504094088] [2021-07-01 10:32:32,255 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504094088] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 10:32:32,255 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2114950452] [2021-07-01 10:32:32,255 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 10:32:32,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 10:32:32,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 26 conjunts are in the unsatisfiable core [2021-07-01 10:32:32,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-01 10:32:32,417 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 15 proven. 10 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-07-01 10:32:32,417 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2114950452] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 10:32:32,417 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-01 10:32:32,417 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2021-07-01 10:32:32,417 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201844455] [2021-07-01 10:32:32,418 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-01 10:32:32,418 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 10:32:32,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-01 10:32:32,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-07-01 10:32:32,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:32:32,418 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 10:32:32,418 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 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 10:32:32,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:32:32,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-01 10:32:32,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:32:32,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-01 10:32:32,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:32:34,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:32:34,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-01 10:32:34,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:32:34,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-01 10:32:34,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-01 10:32:34,479 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 10:32:34,480 INFO L430 AbstractCegarLoop]: === Iteration 6 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 10:32:34,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 10:32:34,480 INFO L82 PathProgramCache]: Analyzing trace with hash -1323622556, now seen corresponding path program 1 times [2021-07-01 10:32:34,480 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 10:32:34,481 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184646531] [2021-07-01 10:32:34,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 10:32:34,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 10:32:34,565 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 71 proven. 46 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-07-01 10:32:34,566 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 10:32:34,566 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184646531] [2021-07-01 10:32:34,566 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184646531] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 10:32:34,566 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1181982130] [2021-07-01 10:32:34,566 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 10:32:34,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 10:32:34,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 57 conjunts are in the unsatisfiable core [2021-07-01 10:32:34,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-01 10:32:34,918 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 71 proven. 46 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-07-01 10:32:34,918 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1181982130] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 10:32:34,918 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-01 10:32:34,918 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2021-07-01 10:32:34,918 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415002704] [2021-07-01 10:32:34,919 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-01 10:32:34,919 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 10:32:34,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-01 10:32:34,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-07-01 10:32:34,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:32:34,919 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 10:32:34,919 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 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 10:32:34,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:32:34,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-01 10:32:34,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:32:34,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-01 10:32:34,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-01 10:32:34,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:32:44,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:32:44,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-01 10:32:44,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:32:44,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-01 10:32:44,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-01 10:32:44,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-01 10:32:44,828 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-07-01 10:32:44,829 INFO L430 AbstractCegarLoop]: === Iteration 7 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 10:32:44,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 10:32:44,829 INFO L82 PathProgramCache]: Analyzing trace with hash 1602246263, now seen corresponding path program 1 times [2021-07-01 10:32:44,829 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 10:32:45,063 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366812402] [2021-07-01 10:32:45,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 10:32:45,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 10:32:45,232 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 71 proven. 40 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-07-01 10:32:45,232 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 10:32:45,232 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366812402] [2021-07-01 10:32:45,232 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1366812402] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 10:32:45,232 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [139685971] [2021-07-01 10:32:45,244 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 10:32:45,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 10:32:45,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 58 conjunts are in the unsatisfiable core [2021-07-01 10:32:45,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-01 10:32:45,529 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 71 proven. 40 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-07-01 10:32:45,530 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [139685971] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 10:32:45,530 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-01 10:32:45,530 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2021-07-01 10:32:45,530 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073003454] [2021-07-01 10:32:45,530 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-01 10:32:45,530 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 10:32:45,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-01 10:32:45,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2021-07-01 10:32:45,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:32:45,531 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 10:32:45,531 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 8 states have (on average 7.25) internal successors, (58), 8 states have internal predecessors, (58), 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 10:32:45,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:32:45,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-01 10:32:45,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:32:45,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-01 10:32:45,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-01 10:32:45,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-01 10:32:45,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:33:02,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:33:02,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-01 10:33:02,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:33:02,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-01 10:33:02,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-01 10:33:02,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-01 10:33:02,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-01 10:33:02,806 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 10:33:02,809 INFO L301 ceAbstractionStarter]: Result for error location DeviceThreadWithAssertThread1of1ForFork1 was SAFE (2/2) [2021-07-01 10:33:02,809 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-01 10:33:02,811 INFO L202 PluginConnector]: Adding new model bluetooth-customized06.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 10:33:02 BasicIcfg [2021-07-01 10:33:02,811 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-01 10:33:02,811 INFO L168 Benchmark]: Toolchain (without parser) took 34196.43 ms. Allocated memory was 185.6 MB in the beginning and 6.7 GB in the end (delta: 6.5 GB). Free memory was 165.3 MB in the beginning and 5.6 GB in the end (delta: -5.4 GB). Peak memory consumption was 1.7 GB. Max. memory is 8.0 GB. [2021-07-01 10:33:02,811 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.14 ms. Allocated memory is still 185.6 MB. Free memory is still 166.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-01 10:33:02,811 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.26 ms. Allocated memory is still 185.6 MB. Free memory was 165.2 MB in the beginning and 163.4 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-01 10:33:02,811 INFO L168 Benchmark]: Boogie Preprocessor took 12.59 ms. Allocated memory is still 185.6 MB. Free memory was 163.4 MB in the beginning and 162.5 MB in the end (delta: 915.2 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-01 10:33:02,812 INFO L168 Benchmark]: RCFGBuilder took 404.73 ms. Allocated memory is still 185.6 MB. Free memory was 162.4 MB in the beginning and 147.6 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-07-01 10:33:02,812 INFO L168 Benchmark]: TraceAbstraction took 33747.12 ms. Allocated memory was 185.6 MB in the beginning and 6.7 GB in the end (delta: 6.5 GB). Free memory was 147.1 MB in the beginning and 5.6 GB in the end (delta: -5.4 GB). Peak memory consumption was 1.7 GB. Max. memory is 8.0 GB. [2021-07-01 10:33:02,812 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 185.6 MB. Free memory is still 166.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 28.26 ms. Allocated memory is still 185.6 MB. Free memory was 165.2 MB in the beginning and 163.4 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 12.59 ms. Allocated memory is still 185.6 MB. Free memory was 163.4 MB in the beginning and 162.5 MB in the end (delta: 915.2 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 404.73 ms. Allocated memory is still 185.6 MB. Free memory was 162.4 MB in the beginning and 147.6 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 33747.12 ms. Allocated memory was 185.6 MB in the beginning and 6.7 GB in the end (delta: 6.5 GB). Free memory was 147.1 MB in the beginning and 5.6 GB in the end (delta: -5.4 GB). Peak memory consumption was 1.7 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: 52917, positive: 43591, positive conditional: 43591, positive unconditional: 0, negative: 9326, negative conditional: 9326, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 47567, positive: 43591, positive conditional: 43591, positive unconditional: 0, negative: 3976, negative conditional: 3976, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 47567, positive: 43591, positive conditional: 0, positive unconditional: 43591, negative: 3976, negative conditional: 0, negative unconditional: 3976, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 470, positive: 428, positive conditional: 0, positive unconditional: 428, 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: 470, positive: 329, positive conditional: 0, positive unconditional: 329, negative: 141, negative conditional: 0, negative unconditional: 141, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 141, positive: 99, positive conditional: 0, positive unconditional: 99, 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: 141, positive: 99, positive conditional: 0, positive unconditional: 99, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 389, positive: 234, positive conditional: 0, positive unconditional: 234, negative: 155, negative conditional: 0, negative unconditional: 155, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 47567, positive: 43163, positive conditional: 0, positive unconditional: 43163, negative: 3934, negative conditional: 0, negative unconditional: 3934, unknown: 470, unknown conditional: 0, unknown unconditional: 470] , Statistics on independence cache: Total cache size (in pairs): 470, Positive cache size: 428, Positive conditional cache size: 0, Positive unconditional cache size: 428, Negative cache size: 42, Negative conditional cache size: 0, Negative unconditional cache size: 42 ], Maximal queried relation: 0, Independence queries for same thread: 5350 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5565571, positive: 5231599, positive conditional: 5231599, positive unconditional: 0, negative: 333972, negative conditional: 333972, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 5321140, positive: 5231599, positive conditional: 5231599, positive unconditional: 0, negative: 89541, negative conditional: 89541, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 5321140, positive: 4646886, positive conditional: 0, positive unconditional: 4646886, negative: 674254, negative conditional: 0, negative unconditional: 674254, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 658, positive: 606, positive conditional: 0, positive unconditional: 606, negative: 52, negative conditional: 0, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 658, positive: 458, positive conditional: 0, positive unconditional: 458, negative: 200, negative conditional: 0, negative unconditional: 200, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 200, positive: 148, positive conditional: 0, positive unconditional: 148, negative: 52, negative conditional: 0, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1167, positive: 781, positive conditional: 633, positive unconditional: 148, negative: 386, negative conditional: 334, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1191, positive: 761, positive conditional: 653, positive unconditional: 109, negative: 430, negative conditional: 358, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5321140, positive: 4646280, positive conditional: 0, positive unconditional: 4646280, negative: 674202, negative conditional: 0, negative unconditional: 674202, unknown: 658, unknown conditional: 0, unknown unconditional: 658] , Statistics on independence cache: Total cache size (in pairs): 1625, Positive cache size: 1239, Positive conditional cache size: 633, Positive unconditional cache size: 606, Negative cache size: 386, Negative conditional cache size: 334, Negative unconditional cache size: 52, SemanticConditionEliminator.Independence Queries: [ total: 2412736, positive: 584713, positive conditional: 584713, positive unconditional: 0, negative: 1828023, negative conditional: 800461, negative unconditional: 1027562, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2412736, positive: 584713, positive conditional: 584713, positive unconditional: 0, negative: 1828023, negative conditional: 800461, negative unconditional: 1027562, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1167, positive: 781, positive conditional: 633, positive unconditional: 148, negative: 386, negative conditional: 334, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1191, positive: 761, positive conditional: 653, positive unconditional: 109, negative: 430, negative conditional: 358, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2412736, positive: 584080, positive conditional: 584080, positive unconditional: 0, negative: 1827689, negative conditional: 800127, negative unconditional: 1027562, unknown: 967, unknown conditional: 967, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1625, Positive cache size: 1239, Positive conditional cache size: 633, Positive unconditional cache size: 606, Negative cache size: 386, Negative conditional cache size: 334, Negative unconditional cache size: 52, Eliminated conditions: 1027562, SemanticConditionEliminator.Independence Queries: [ total: 2412736, positive: 584713, positive conditional: 584713, positive unconditional: 0, negative: 1828023, negative conditional: 800461, negative unconditional: 1027562, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2412736, positive: 584713, positive conditional: 584713, positive unconditional: 0, negative: 1828023, negative conditional: 800461, negative unconditional: 1027562, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1167, positive: 781, positive conditional: 633, positive unconditional: 148, negative: 386, negative conditional: 334, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1191, positive: 761, positive conditional: 653, positive unconditional: 109, negative: 430, negative conditional: 358, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2412736, positive: 584080, positive conditional: 584080, positive unconditional: 0, negative: 1827689, negative conditional: 800127, negative unconditional: 1027562, unknown: 967, unknown conditional: 967, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1625, Positive cache size: 1239, Positive conditional cache size: 633, Positive unconditional cache size: 606, Negative cache size: 386, Negative conditional cache size: 334, Negative unconditional cache size: 52, Eliminated conditions: 1027562, SemanticConditionEliminator.Independence Queries: [ total: 2412736, positive: 584713, positive conditional: 584713, positive unconditional: 0, negative: 1828023, negative conditional: 800461, negative unconditional: 1027562, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2412736, positive: 584713, positive conditional: 584713, positive unconditional: 0, negative: 1828023, negative conditional: 800461, negative unconditional: 1027562, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1167, positive: 781, positive conditional: 633, positive unconditional: 148, negative: 386, negative conditional: 334, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1191, positive: 761, positive conditional: 653, positive unconditional: 109, negative: 430, negative conditional: 358, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2412736, positive: 584080, positive conditional: 584080, positive unconditional: 0, negative: 1827689, negative conditional: 800127, negative unconditional: 1027562, unknown: 967, unknown conditional: 967, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1625, Positive cache size: 1239, Positive conditional cache size: 633, Positive unconditional cache size: 606, Negative cache size: 386, Negative conditional cache size: 334, Negative unconditional cache size: 52, Eliminated conditions: 1027562, SemanticConditionEliminator.Independence Queries: [ total: 2412736, positive: 584713, positive conditional: 584713, positive unconditional: 0, negative: 1828023, negative conditional: 800461, negative unconditional: 1027562, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2412736, positive: 584713, positive conditional: 584713, positive unconditional: 0, negative: 1828023, negative conditional: 800461, negative unconditional: 1027562, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1167, positive: 781, positive conditional: 633, positive unconditional: 148, negative: 386, negative conditional: 334, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1191, positive: 761, positive conditional: 653, positive unconditional: 109, negative: 430, negative conditional: 358, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2412736, positive: 584080, positive conditional: 584080, positive unconditional: 0, negative: 1827689, negative conditional: 800127, negative unconditional: 1027562, unknown: 967, unknown conditional: 967, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1625, Positive cache size: 1239, Positive conditional cache size: 633, Positive unconditional cache size: 606, Negative cache size: 386, Negative conditional cache size: 334, Negative unconditional cache size: 52, Eliminated conditions: 1027562, SemanticConditionEliminator.Independence Queries: [ total: 2412736, positive: 584713, positive conditional: 584713, positive unconditional: 0, negative: 1828023, negative conditional: 800461, negative unconditional: 1027562, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2412736, positive: 584713, positive conditional: 584713, positive unconditional: 0, negative: 1828023, negative conditional: 800461, negative unconditional: 1027562, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1167, positive: 781, positive conditional: 633, positive unconditional: 148, negative: 386, negative conditional: 334, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1191, positive: 761, positive conditional: 653, positive unconditional: 109, negative: 430, negative conditional: 358, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2412736, positive: 584080, positive conditional: 584080, positive unconditional: 0, negative: 1827689, negative conditional: 800127, negative unconditional: 1027562, unknown: 967, unknown conditional: 967, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1625, Positive cache size: 1239, Positive conditional cache size: 633, Positive unconditional cache size: 606, Negative cache size: 386, Negative conditional cache size: 334, Negative unconditional cache size: 52, Eliminated conditions: 1027562, SemanticConditionEliminator.Independence Queries: [ total: 2412736, positive: 584713, positive conditional: 584713, positive unconditional: 0, negative: 1828023, negative conditional: 800461, negative unconditional: 1027562, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2412736, positive: 584713, positive conditional: 584713, positive unconditional: 0, negative: 1828023, negative conditional: 800461, negative unconditional: 1027562, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1167, positive: 781, positive conditional: 633, positive unconditional: 148, negative: 386, negative conditional: 334, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1191, positive: 761, positive conditional: 653, positive unconditional: 109, negative: 430, negative conditional: 358, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2412736, positive: 584080, positive conditional: 584080, positive unconditional: 0, negative: 1827689, negative conditional: 800127, negative unconditional: 1027562, unknown: 967, unknown conditional: 967, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1625, Positive cache size: 1239, Positive conditional cache size: 633, Positive unconditional cache size: 606, Negative cache size: 386, Negative conditional cache size: 334, Negative unconditional cache size: 52, Eliminated conditions: 1027562, SemanticConditionEliminator.Independence Queries: [ total: 2412736, positive: 584713, positive conditional: 584713, positive unconditional: 0, negative: 1828023, negative conditional: 800461, negative unconditional: 1027562, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2412736, positive: 584713, positive conditional: 584713, positive unconditional: 0, negative: 1828023, negative conditional: 800461, negative unconditional: 1027562, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1167, positive: 781, positive conditional: 633, positive unconditional: 148, negative: 386, negative conditional: 334, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1191, positive: 761, positive conditional: 653, positive unconditional: 109, negative: 430, negative conditional: 358, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2412736, positive: 584080, positive conditional: 584080, positive unconditional: 0, negative: 1827689, negative conditional: 800127, negative unconditional: 1027562, unknown: 967, unknown conditional: 967, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1625, Positive cache size: 1239, Positive conditional cache size: 633, Positive unconditional cache size: 606, Negative cache size: 386, Negative conditional cache size: 334, Negative unconditional cache size: 52, Eliminated conditions: 1027562 ], Maximal queried relation: 7, Independence queries for same thread: 244431 - 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: 1134.6ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 13.7ms, PartialOrderReductionTime: 1064.8ms, 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 11 procedures, 60 locations, 9 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 32469.9ms, OverallIterations: 7, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.1ms, PartialOrderReductionTime: 29572.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 42, 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: 44.8ms SsaConstructionTime, 180.5ms SatisfiabilityAnalysisTime, 1157.5ms InterpolantComputationTime, 511 NumberOfCodeBlocks, 511 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 500 ConstructedInterpolants, 0 QuantifiedInterpolants, 1484 SizeOfPredicates, 0 NumberOfNonLiveVariables, 504 ConjunctsInSsa, 159 ConjunctsInUnsatCore, 11 InterpolantComputations, 3 PerfectInterpolantSequences, 491/687 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...