/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-correct04.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-1c3aa5735269c4be989a50fc1da9ea7b9492ef29-1c3aa57 [2021-07-01 10:32:27,990 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-01 10:32:27,992 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-01 10:32:28,020 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-01 10:32:28,068 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 10:32:28,094 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-01 10:32:28,094 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-01 10:32:28,094 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-01 10:32:28,095 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-01 10:32:28,097 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-01 10:32:28,097 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-01 10:32:28,097 INFO L138 SettingsManager]: * Use SBE=true [2021-07-01 10:32:28,097 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-01 10:32:28,097 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-01 10:32:28,097 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-01 10:32:28,098 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-01 10:32:28,098 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-01 10:32:28,098 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-01 10:32:28,098 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-01 10:32:28,098 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-01 10:32:28,098 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-01 10:32:28,098 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-01 10:32:28,098 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-01 10:32:28,098 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-01 10:32:28,099 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-01 10:32:28,099 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-01 10:32:28,099 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-01 10:32:28,099 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-01 10:32:28,099 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-01 10:32:28,099 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-01 10:32:28,100 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-01 10:32:28,100 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-01 10:32:28,118 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-01 10:32:28,118 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-07-01 10:32:28,118 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-01 10:32:28,118 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-01 10:32:28,118 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-01 10:32:28,119 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-01 10:32:28,119 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-07-01 10:32:28,119 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-01 10:32:28,332 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-01 10:32:28,359 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-01 10:32:28,361 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-01 10:32:28,362 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-01 10:32:28,362 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-01 10:32:28,363 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct04.bpl [2021-07-01 10:32:28,363 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct04.bpl' [2021-07-01 10:32:28,387 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-01 10:32:28,388 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-01 10:32:28,388 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-01 10:32:28,388 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-01 10:32:28,389 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-01 10:32:28,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth-correct04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:32:28" (1/1) ... [2021-07-01 10:32:28,401 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth-correct04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:32:28" (1/1) ... [2021-07-01 10:32:28,413 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-01 10:32:28,415 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-01 10:32:28,415 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-01 10:32:28,415 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-01 10:32:28,421 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth-correct04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:32:28" (1/1) ... [2021-07-01 10:32:28,421 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth-correct04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:32:28" (1/1) ... [2021-07-01 10:32:28,421 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth-correct04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:32:28" (1/1) ... [2021-07-01 10:32:28,422 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth-correct04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:32:28" (1/1) ... [2021-07-01 10:32:28,423 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth-correct04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:32:28" (1/1) ... [2021-07-01 10:32:28,424 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth-correct04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:32:28" (1/1) ... [2021-07-01 10:32:28,425 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth-correct04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:32:28" (1/1) ... [2021-07-01 10:32:28,425 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-01 10:32:28,426 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-01 10:32:28,426 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-01 10:32:28,426 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-01 10:32:28,427 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-correct04.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 10:32:28,471 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThreadWithAssert given in one single declaration [2021-07-01 10:32:28,471 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThreadWithAssert [2021-07-01 10:32:28,471 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThreadWithAssert [2021-07-01 10:32:28,471 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration [2021-07-01 10:32:28,471 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThread [2021-07-01 10:32:28,471 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThread [2021-07-01 10:32:28,472 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration [2021-07-01 10:32:28,472 INFO L130 BoogieDeclarations]: Found specification of procedure ServerThread [2021-07-01 10:32:28,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ServerThread [2021-07-01 10:32:28,474 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-01 10:32:28,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-01 10:32:28,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-01 10:32:28,474 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 10:32:28,676 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-01 10:32:28,676 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-07-01 10:32:28,677 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadWithAssertEXIT is neither atomic block end nor error location. [2021-07-01 10:32:28,677 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadEXIT is neither atomic block end nor error location. [2021-07-01 10:32:28,678 INFO L202 PluginConnector]: Adding new model bluetooth-correct04.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 10:32:28 BoogieIcfgContainer [2021-07-01 10:32:28,678 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-01 10:32:28,679 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-01 10:32:28,679 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-01 10:32:28,681 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-01 10:32:28,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-correct04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:32:28" (1/2) ... [2021-07-01 10:32:28,682 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@519f90d2 and model type bluetooth-correct04.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 10:32:28, skipping insertion in model container [2021-07-01 10:32:28,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-correct04.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 10:32:28" (2/2) ... [2021-07-01 10:32:28,683 INFO L111 eAbstractionObserver]: Analyzing ICFG bluetooth-correct04.bpl [2021-07-01 10:32:28,686 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-01 10:32:28,686 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-01 10:32:28,687 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-01 10:32:28,687 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-01 10:32:28,711 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-01 10:32:28,725 INFO L255 AbstractCegarLoop]: Starting to check reachability of 5 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 10:32:28,776 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-01 10:32:28,777 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-01 10:32:28,777 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-01 10:32:28,777 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-01 10:32:28,777 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-01 10:32:28,777 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-01 10:32:28,777 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-01 10:32:28,777 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-01 10:32:29,190 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (1/2) [2021-07-01 10:32:29,191 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) [2021-07-01 10:32:29,216 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-01 10:32:29,216 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-01 10:32:29,216 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-01 10:32:29,216 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-01 10:32:29,216 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-01 10:32:29,216 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-01 10:32:29,216 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-01 10:32:29,216 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == DeviceThreadWithAssertThread1of1ForFork1======== Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-01 10:32:29,247 INFO L430 AbstractCegarLoop]: === Iteration 1 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 10:32:29,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 10:32:29,251 INFO L82 PathProgramCache]: Analyzing trace with hash 1841078994, now seen corresponding path program 1 times [2021-07-01 10:32:29,256 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 10:32:29,257 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789195536] [2021-07-01 10:32:29,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 10:32:29,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 10:32:29,327 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 10:32:29,328 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 10:32:29,328 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789195536] [2021-07-01 10:32:29,328 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789195536] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 10:32:29,329 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 10:32:29,329 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-01 10:32:29,329 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558417459] [2021-07-01 10:32:29,332 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-01 10:32:29,333 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 10:32:29,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-01 10:32:29,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-01 10:32:29,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:32:29,342 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 10:32:29,342 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 10:32:29,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:32:29,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:32:29,391 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-01 10:32:29,391 INFO L430 AbstractCegarLoop]: === Iteration 2 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 10:32:29,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 10:32:29,394 INFO L82 PathProgramCache]: Analyzing trace with hash 1167775337, now seen corresponding path program 1 times [2021-07-01 10:32:29,394 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 10:32:29,395 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882704160] [2021-07-01 10:32:29,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 10:32:29,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 10:32:29,410 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 10:32:29,410 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 10:32:29,410 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882704160] [2021-07-01 10:32:29,410 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1882704160] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 10:32:29,411 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 10:32:29,411 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-01 10:32:29,411 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689263501] [2021-07-01 10:32:29,412 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-01 10:32:29,412 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 10:32:29,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-01 10:32:29,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-01 10:32:29,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:32:29,413 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 10:32:29,413 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 10:32:29,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:32:29,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:32:29,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:32:29,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:32:29,456 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-01 10:32:29,456 INFO L430 AbstractCegarLoop]: === Iteration 3 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 10:32:29,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 10:32:29,457 INFO L82 PathProgramCache]: Analyzing trace with hash 2036275240, now seen corresponding path program 1 times [2021-07-01 10:32:29,457 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 10:32:29,457 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038704472] [2021-07-01 10:32:29,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 10:32:29,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 10:32:29,538 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 10:32:29,539 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 10:32:29,539 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038704472] [2021-07-01 10:32:29,539 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038704472] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 10:32:29,539 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 10:32:29,539 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-01 10:32:29,539 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983635844] [2021-07-01 10:32:29,540 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-01 10:32:29,540 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 10:32:29,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-01 10:32:29,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-07-01 10:32:29,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:32:29,540 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 10:32:29,541 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 5 states have internal predecessors, (16), 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 10:32:29,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:32:29,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:32:29,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:32:29,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:32:29,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:32:29,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:32:29,669 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-01 10:32:29,669 INFO L430 AbstractCegarLoop]: === Iteration 4 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 10:32:29,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 10:32:29,670 INFO L82 PathProgramCache]: Analyzing trace with hash 949593989, now seen corresponding path program 1 times [2021-07-01 10:32:29,671 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 10:32:29,671 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911922965] [2021-07-01 10:32:29,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 10:32:29,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 10:32:29,759 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-01 10:32:29,760 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 10:32:29,763 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911922965] [2021-07-01 10:32:29,763 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911922965] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 10:32:29,764 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [514259227] [2021-07-01 10:32:29,766 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 10:32:29,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 10:32:29,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-01 10:32:29,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-01 10:32:29,959 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-01 10:32:29,959 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [514259227] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 10:32:29,959 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-01 10:32:29,959 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-07-01 10:32:29,959 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643354389] [2021-07-01 10:32:29,960 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-01 10:32:29,960 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 10:32:29,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-01 10:32:29,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2021-07-01 10:32:29,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:32:29,960 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 10:32:29,961 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 4.0) internal successors, (44), 10 states have internal predecessors, (44), 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 10:32:29,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:32:29,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:32:29,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:32:29,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:32:30,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:32:30,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:32:30,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:32:30,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-01 10:32:30,426 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 10:32:30,426 INFO L430 AbstractCegarLoop]: === Iteration 5 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 10:32:30,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 10:32:30,427 INFO L82 PathProgramCache]: Analyzing trace with hash 1629547284, now seen corresponding path program 1 times [2021-07-01 10:32:30,427 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 10:32:30,427 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000210550] [2021-07-01 10:32:30,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 10:32:30,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 10:32:30,560 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 10:32:30,561 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 10:32:30,561 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000210550] [2021-07-01 10:32:30,561 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000210550] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 10:32:30,561 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1456405917] [2021-07-01 10:32:30,561 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 10:32:30,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 10:32:30,616 WARN L261 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 34 conjunts are in the unsatisfiable core [2021-07-01 10:32:30,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-01 10:32:30,764 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 10:32:30,765 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1456405917] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 10:32:30,765 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-01 10:32:30,765 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-07-01 10:32:30,765 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636613824] [2021-07-01 10:32:30,766 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-01 10:32:30,766 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 10:32:30,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-01 10:32:30,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=99, Unknown=0, NotChecked=0, Total=156 [2021-07-01 10:32:30,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:32:30,767 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 10:32:30,768 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 4.384615384615385) internal successors, (57), 12 states have internal predecessors, (57), 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 10:32:30,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:32:30,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:32:30,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:32:30,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-01 10:32:30,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:32:31,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:32:31,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:32:31,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:32:31,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-01 10:32:31,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-01 10:32:31,570 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 10:32:31,571 INFO L430 AbstractCegarLoop]: === Iteration 6 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 10:32:31,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 10:32:31,571 INFO L82 PathProgramCache]: Analyzing trace with hash 1918046251, now seen corresponding path program 1 times [2021-07-01 10:32:31,571 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 10:32:31,571 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907302199] [2021-07-01 10:32:31,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 10:32:31,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 10:32:31,658 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 14 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-01 10:32:31,659 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 10:32:31,659 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907302199] [2021-07-01 10:32:31,659 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907302199] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 10:32:31,659 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [95218093] [2021-07-01 10:32:31,659 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 10:32:31,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 10:32:31,704 WARN L261 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 59 conjunts are in the unsatisfiable core [2021-07-01 10:32:31,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-01 10:32:31,856 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 2 proven. 21 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-01 10:32:31,856 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [95218093] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 10:32:31,857 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-01 10:32:31,857 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2021-07-01 10:32:31,857 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841536439] [2021-07-01 10:32:31,857 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-01 10:32:31,857 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 10:32:31,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-01 10:32:31,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2021-07-01 10:32:31,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:32:31,858 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 10:32:31,858 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 4.666666666666667) internal successors, (70), 14 states have internal predecessors, (70), 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 10:32:31,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:32:31,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:32:31,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:32:31,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-01 10:32:31,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-01 10:32:31,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:32:32,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:32:32,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:32:32,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:32:32,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-01 10:32:32,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-01 10:32:32,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-01 10:32:32,890 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-07-01 10:32:32,895 INFO L301 ceAbstractionStarter]: Result for error location DeviceThreadWithAssertThread1of1ForFork1 was SAFE (2/2) [2021-07-01 10:32:32,896 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-01 10:32:32,898 INFO L202 PluginConnector]: Adding new model bluetooth-correct04.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 10:32:32 BasicIcfg [2021-07-01 10:32:32,898 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-01 10:32:32,899 INFO L168 Benchmark]: Toolchain (without parser) took 4511.02 ms. Allocated memory was 179.3 MB in the beginning and 315.6 MB in the end (delta: 136.3 MB). Free memory was 159.8 MB in the beginning and 125.0 MB in the end (delta: 34.9 MB). Peak memory consumption was 172.2 MB. Max. memory is 8.0 GB. [2021-07-01 10:32:32,899 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 179.3 MB. Free memory is still 160.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-01 10:32:32,900 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.07 ms. Allocated memory is still 179.3 MB. Free memory was 159.6 MB in the beginning and 157.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-01 10:32:32,900 INFO L168 Benchmark]: Boogie Preprocessor took 10.33 ms. Allocated memory is still 179.3 MB. Free memory was 157.9 MB in the beginning and 156.9 MB in the end (delta: 984.8 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-01 10:32:32,900 INFO L168 Benchmark]: RCFGBuilder took 252.21 ms. Allocated memory is still 179.3 MB. Free memory was 156.9 MB in the beginning and 142.1 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-07-01 10:32:32,900 INFO L168 Benchmark]: TraceAbstraction took 4218.76 ms. Allocated memory was 179.3 MB in the beginning and 315.6 MB in the end (delta: 136.3 MB). Free memory was 141.6 MB in the beginning and 125.0 MB in the end (delta: 16.6 MB). Peak memory consumption was 153.3 MB. Max. memory is 8.0 GB. [2021-07-01 10:32:32,900 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 179.3 MB. Free memory is still 160.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 25.07 ms. Allocated memory is still 179.3 MB. Free memory was 159.6 MB in the beginning and 157.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 10.33 ms. Allocated memory is still 179.3 MB. Free memory was 157.9 MB in the beginning and 156.9 MB in the end (delta: 984.8 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 252.21 ms. Allocated memory is still 179.3 MB. Free memory was 156.9 MB in the beginning and 142.1 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 4218.76 ms. Allocated memory was 179.3 MB in the beginning and 315.6 MB in the end (delta: 136.3 MB). Free memory was 141.6 MB in the beginning and 125.0 MB in the end (delta: 16.6 MB). Peak memory consumption was 153.3 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: 2386, positive: 1735, positive conditional: 1735, positive unconditional: 0, negative: 651, negative conditional: 651, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 2022, positive: 1735, positive conditional: 1735, positive unconditional: 0, negative: 287, negative conditional: 287, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 2022, positive: 1735, positive conditional: 0, positive unconditional: 1735, negative: 287, negative conditional: 0, negative unconditional: 287, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 205, positive: 182, positive conditional: 0, positive unconditional: 182, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 205, positive: 159, positive conditional: 0, positive unconditional: 159, negative: 46, negative conditional: 0, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 46, positive: 23, positive conditional: 0, positive unconditional: 23, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 46, positive: 23, positive conditional: 0, positive unconditional: 23, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 224, positive: 99, positive conditional: 0, positive unconditional: 99, negative: 125, negative conditional: 0, negative unconditional: 125, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2022, positive: 1553, positive conditional: 0, positive unconditional: 1553, negative: 264, negative conditional: 0, negative unconditional: 264, unknown: 205, unknown conditional: 0, unknown unconditional: 205] , Statistics on independence cache: Total cache size (in pairs): 205, Positive cache size: 182, Positive conditional cache size: 0, Positive unconditional cache size: 182, Negative cache size: 23, Negative conditional cache size: 0, Negative unconditional cache size: 23 ], Maximal queried relation: 0, Independence queries for same thread: 364 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 58586, positive: 53326, positive conditional: 53326, positive unconditional: 0, negative: 5260, negative conditional: 5260, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 54640, positive: 53326, positive conditional: 53326, positive unconditional: 0, negative: 1314, negative conditional: 1314, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 54640, positive: 46465, positive conditional: 0, positive unconditional: 46465, negative: 8175, negative conditional: 0, negative unconditional: 8175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 320, positive: 282, positive conditional: 0, positive unconditional: 282, negative: 38, negative conditional: 0, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 320, positive: 241, positive conditional: 0, positive unconditional: 241, negative: 79, negative conditional: 0, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 79, positive: 41, positive conditional: 0, positive unconditional: 41, negative: 38, negative conditional: 0, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 478, positive: 305, positive conditional: 264, positive unconditional: 41, negative: 173, negative conditional: 135, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 625, positive: 379, positive conditional: 308, positive unconditional: 72, negative: 246, negative conditional: 173, negative unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 54640, positive: 46183, positive conditional: 0, positive unconditional: 46183, negative: 8137, negative conditional: 0, negative unconditional: 8137, unknown: 320, unknown conditional: 0, unknown unconditional: 320] , Statistics on independence cache: Total cache size (in pairs): 719, Positive cache size: 546, Positive conditional cache size: 264, Positive unconditional cache size: 282, Negative cache size: 173, Negative conditional cache size: 135, Negative unconditional cache size: 38, SemanticConditionEliminator.Independence Queries: [ total: 20854, positive: 6861, positive conditional: 6861, positive unconditional: 0, negative: 13993, negative conditional: 3856, negative unconditional: 10137, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 20854, positive: 6861, positive conditional: 6861, positive unconditional: 0, negative: 13993, negative conditional: 3856, negative unconditional: 10137, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 478, positive: 305, positive conditional: 264, positive unconditional: 41, negative: 173, negative conditional: 135, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 625, positive: 379, positive conditional: 308, positive unconditional: 72, negative: 246, negative conditional: 173, negative unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 20854, positive: 6597, positive conditional: 6597, positive unconditional: 0, negative: 13858, negative conditional: 3721, negative unconditional: 10137, unknown: 399, unknown conditional: 399, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 719, Positive cache size: 546, Positive conditional cache size: 264, Positive unconditional cache size: 282, Negative cache size: 173, Negative conditional cache size: 135, Negative unconditional cache size: 38, Eliminated conditions: 10137, SemanticConditionEliminator.Independence Queries: [ total: 20854, positive: 6861, positive conditional: 6861, positive unconditional: 0, negative: 13993, negative conditional: 3856, negative unconditional: 10137, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 20854, positive: 6861, positive conditional: 6861, positive unconditional: 0, negative: 13993, negative conditional: 3856, negative unconditional: 10137, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 478, positive: 305, positive conditional: 264, positive unconditional: 41, negative: 173, negative conditional: 135, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 625, positive: 379, positive conditional: 308, positive unconditional: 72, negative: 246, negative conditional: 173, negative unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 20854, positive: 6597, positive conditional: 6597, positive unconditional: 0, negative: 13858, negative conditional: 3721, negative unconditional: 10137, unknown: 399, unknown conditional: 399, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 719, Positive cache size: 546, Positive conditional cache size: 264, Positive unconditional cache size: 282, Negative cache size: 173, Negative conditional cache size: 135, Negative unconditional cache size: 38, Eliminated conditions: 10137, SemanticConditionEliminator.Independence Queries: [ total: 20854, positive: 6861, positive conditional: 6861, positive unconditional: 0, negative: 13993, negative conditional: 3856, negative unconditional: 10137, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 20854, positive: 6861, positive conditional: 6861, positive unconditional: 0, negative: 13993, negative conditional: 3856, negative unconditional: 10137, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 478, positive: 305, positive conditional: 264, positive unconditional: 41, negative: 173, negative conditional: 135, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 625, positive: 379, positive conditional: 308, positive unconditional: 72, negative: 246, negative conditional: 173, negative unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 20854, positive: 6597, positive conditional: 6597, positive unconditional: 0, negative: 13858, negative conditional: 3721, negative unconditional: 10137, unknown: 399, unknown conditional: 399, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 719, Positive cache size: 546, Positive conditional cache size: 264, Positive unconditional cache size: 282, Negative cache size: 173, Negative conditional cache size: 135, Negative unconditional cache size: 38, Eliminated conditions: 10137, SemanticConditionEliminator.Independence Queries: [ total: 20854, positive: 6861, positive conditional: 6861, positive unconditional: 0, negative: 13993, negative conditional: 3856, negative unconditional: 10137, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 20854, positive: 6861, positive conditional: 6861, positive unconditional: 0, negative: 13993, negative conditional: 3856, negative unconditional: 10137, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 478, positive: 305, positive conditional: 264, positive unconditional: 41, negative: 173, negative conditional: 135, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 625, positive: 379, positive conditional: 308, positive unconditional: 72, negative: 246, negative conditional: 173, negative unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 20854, positive: 6597, positive conditional: 6597, positive unconditional: 0, negative: 13858, negative conditional: 3721, negative unconditional: 10137, unknown: 399, unknown conditional: 399, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 719, Positive cache size: 546, Positive conditional cache size: 264, Positive unconditional cache size: 282, Negative cache size: 173, Negative conditional cache size: 135, Negative unconditional cache size: 38, Eliminated conditions: 10137, SemanticConditionEliminator.Independence Queries: [ total: 20854, positive: 6861, positive conditional: 6861, positive unconditional: 0, negative: 13993, negative conditional: 3856, negative unconditional: 10137, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 20854, positive: 6861, positive conditional: 6861, positive unconditional: 0, negative: 13993, negative conditional: 3856, negative unconditional: 10137, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 478, positive: 305, positive conditional: 264, positive unconditional: 41, negative: 173, negative conditional: 135, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 625, positive: 379, positive conditional: 308, positive unconditional: 72, negative: 246, negative conditional: 173, negative unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 20854, positive: 6597, positive conditional: 6597, positive unconditional: 0, negative: 13858, negative conditional: 3721, negative unconditional: 10137, unknown: 399, unknown conditional: 399, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 719, Positive cache size: 546, Positive conditional cache size: 264, Positive unconditional cache size: 282, Negative cache size: 173, Negative conditional cache size: 135, Negative unconditional cache size: 38, Eliminated conditions: 10137, SemanticConditionEliminator.Independence Queries: [ total: 20854, positive: 6861, positive conditional: 6861, positive unconditional: 0, negative: 13993, negative conditional: 3856, negative unconditional: 10137, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 20854, positive: 6861, positive conditional: 6861, positive unconditional: 0, negative: 13993, negative conditional: 3856, negative unconditional: 10137, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 478, positive: 305, positive conditional: 264, positive unconditional: 41, negative: 173, negative conditional: 135, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 625, positive: 379, positive conditional: 308, positive unconditional: 72, negative: 246, negative conditional: 173, negative unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 20854, positive: 6597, positive conditional: 6597, positive unconditional: 0, negative: 13858, negative conditional: 3721, negative unconditional: 10137, unknown: 399, unknown conditional: 399, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 719, Positive cache size: 546, Positive conditional cache size: 264, Positive unconditional cache size: 282, Negative cache size: 173, Negative conditional cache size: 135, Negative unconditional cache size: 38, Eliminated conditions: 10137 ], Maximal queried relation: 6, Independence queries for same thread: 3946 - PositiveResult [Line: 37]: 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 9 procedures, 50 locations, 7 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 453.1ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 11.5ms, PartialOrderReductionTime: 385.6ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: DeviceThreadWithAssertThread1of1ForFork1 with 1 thread instances CFG has 9 procedures, 50 locations, 7 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3696.3ms, OverallIterations: 6, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.8ms, PartialOrderReductionTime: 1892.5ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 39, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 17.2ms SsaConstructionTime, 103.7ms SatisfiabilityAnalysisTime, 821.4ms InterpolantComputationTime, 225 NumberOfCodeBlocks, 225 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 216 ConstructedInterpolants, 0 QuantifiedInterpolants, 1053 SizeOfPredicates, 3 NumberOfNonLiveVariables, 200 ConjunctsInSsa, 112 ConjunctsInUnsatCore, 9 InterpolantComputations, 3 PerfectInterpolantSequences, 42/88 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...