/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct07.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-1c3aa5735269c4be989a50fc1da9ea7b9492ef29-1c3aa57 [2021-07-01 11:27:08,121 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-01 11:27:08,124 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-01 11:27:08,167 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-01 11:27:08,347 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Random42.epf [2021-07-01 11:27:08,382 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-01 11:27:08,382 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-01 11:27:08,383 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-01 11:27:08,383 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-01 11:27:08,386 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-01 11:27:08,386 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-01 11:27:08,386 INFO L138 SettingsManager]: * Use SBE=true [2021-07-01 11:27:08,386 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-01 11:27:08,386 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-01 11:27:08,386 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-01 11:27:08,387 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-01 11:27:08,387 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-01 11:27:08,388 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-01 11:27:08,388 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-01 11:27:08,388 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-01 11:27:08,388 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-01 11:27:08,388 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-01 11:27:08,388 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-01 11:27:08,388 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-01 11:27:08,389 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-01 11:27:08,389 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-01 11:27:08,389 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-01 11:27:08,389 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-01 11:27:08,389 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-01 11:27:08,389 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-01 11:27:08,389 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-01 11:27:08,390 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-01 11:27:08,390 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-01 11:27:08,390 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-07-01 11:27:08,390 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-01 11:27:08,390 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-01 11:27:08,390 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-01 11:27:08,391 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-01 11:27:08,391 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-07-01 11:27:08,391 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-01 11:27:08,391 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-01 11:27:08,701 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-01 11:27:08,717 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-01 11:27:08,719 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-01 11:27:08,720 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-01 11:27:08,721 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-01 11:27:08,722 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct07.bpl [2021-07-01 11:27:08,722 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct07.bpl' [2021-07-01 11:27:08,747 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-01 11:27:08,786 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-01 11:27:08,787 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-01 11:27:08,787 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-01 11:27:08,787 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-01 11:27:08,801 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth-correct07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:27:08" (1/1) ... [2021-07-01 11:27:08,808 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth-correct07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:27:08" (1/1) ... [2021-07-01 11:27:08,822 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-01 11:27:08,824 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-01 11:27:08,824 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-01 11:27:08,824 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-01 11:27:08,829 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth-correct07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:27:08" (1/1) ... [2021-07-01 11:27:08,829 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth-correct07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:27:08" (1/1) ... [2021-07-01 11:27:08,833 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth-correct07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:27:08" (1/1) ... [2021-07-01 11:27:08,833 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth-correct07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:27:08" (1/1) ... [2021-07-01 11:27:08,834 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth-correct07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:27:08" (1/1) ... [2021-07-01 11:27:08,837 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth-correct07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:27:08" (1/1) ... [2021-07-01 11:27:08,837 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth-correct07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:27:08" (1/1) ... [2021-07-01 11:27:08,838 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-01 11:27:08,839 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-01 11:27:08,839 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-01 11:27:08,839 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-01 11:27:08,840 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-correct07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:27:08" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-01 11:27:08,985 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThreadWithAssert given in one single declaration [2021-07-01 11:27:08,985 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThreadWithAssert [2021-07-01 11:27:08,985 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThreadWithAssert [2021-07-01 11:27:08,986 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration [2021-07-01 11:27:08,986 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThread [2021-07-01 11:27:08,986 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThread [2021-07-01 11:27:08,987 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration [2021-07-01 11:27:08,988 INFO L130 BoogieDeclarations]: Found specification of procedure ServerThread [2021-07-01 11:27:08,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ServerThread [2021-07-01 11:27:08,990 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-01 11:27:08,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-01 11:27:08,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-01 11:27:08,991 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-01 11:27:09,249 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-01 11:27:09,249 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-07-01 11:27:09,250 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadWithAssertEXIT is neither atomic block end nor error location. [2021-07-01 11:27:09,250 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadEXIT is neither atomic block end nor error location. [2021-07-01 11:27:09,252 INFO L202 PluginConnector]: Adding new model bluetooth-correct07.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 11:27:09 BoogieIcfgContainer [2021-07-01 11:27:09,252 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-01 11:27:09,253 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-01 11:27:09,253 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-01 11:27:09,257 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-01 11:27:09,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-correct07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:27:08" (1/2) ... [2021-07-01 11:27:09,259 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77174033 and model type bluetooth-correct07.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 11:27:09, skipping insertion in model container [2021-07-01 11:27:09,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-correct07.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 11:27:09" (2/2) ... [2021-07-01 11:27:09,260 INFO L111 eAbstractionObserver]: Analyzing ICFG bluetooth-correct07.bpl [2021-07-01 11:27:09,264 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-01 11:27:09,264 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-01 11:27:09,264 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-01 11:27:09,265 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-01 11:27:09,328 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-01 11:27:09,354 INFO L255 AbstractCegarLoop]: Starting to check reachability of 8 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-01 11:27:09,437 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-01 11:27:09,437 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-01 11:27:09,437 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-01 11:27:09,437 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-01 11:27:09,437 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-01 11:27:09,437 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-01 11:27:09,437 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-01 11:27:09,438 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-01 11:27:25,089 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (1/2) [2021-07-01 11:27:25,090 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-01 11:27:25,104 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-01 11:27:25,104 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-01 11:27:25,104 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-01 11:27:25,105 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-01 11:27:25,105 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-01 11:27:25,105 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-01 11:27:25,105 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-01 11:27:25,105 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == DeviceThreadWithAssertThread1of1ForFork1======== [2021-07-01 11:27:25,145 INFO L430 AbstractCegarLoop]: === Iteration 1 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:27:25,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:27:25,149 INFO L82 PathProgramCache]: Analyzing trace with hash 1015080002, now seen corresponding path program 1 times [2021-07-01 11:27:25,156 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:27:25,157 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715346134] [2021-07-01 11:27:25,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:27:25,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:27:25,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-01 11:27:25,268 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:27:25,268 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715346134] [2021-07-01 11:27:25,269 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715346134] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 11:27:25,269 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 11:27:25,269 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-01 11:27:25,270 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840611485] [2021-07-01 11:27:25,274 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-01 11:27:25,275 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:27:25,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-01 11:27:25,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-01 11:27:25,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:27:25,285 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:27:25,286 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-01 11:27:25,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:27:25,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:27:25,430 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-01 11:27:25,430 INFO L430 AbstractCegarLoop]: === Iteration 2 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:27:25,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:27:25,431 INFO L82 PathProgramCache]: Analyzing trace with hash 983338381, now seen corresponding path program 1 times [2021-07-01 11:27:25,431 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:27:25,432 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009720159] [2021-07-01 11:27:25,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:27:25,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:27:25,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-01 11:27:25,461 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:27:25,462 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009720159] [2021-07-01 11:27:25,462 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1009720159] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 11:27:25,462 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 11:27:25,462 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-01 11:27:25,462 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492868788] [2021-07-01 11:27:25,464 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-01 11:27:25,464 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:27:25,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-01 11:27:25,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-01 11:27:25,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:27:25,466 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:27:25,466 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-01 11:27:25,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:27:25,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:27:25,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:27:25,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:27:25,637 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-01 11:27:25,638 INFO L430 AbstractCegarLoop]: === Iteration 3 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:27:25,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:27:25,638 INFO L82 PathProgramCache]: Analyzing trace with hash -1445664809, now seen corresponding path program 1 times [2021-07-01 11:27:25,638 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:27:25,638 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091292657] [2021-07-01 11:27:25,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:27:25,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:27:25,781 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-07-01 11:27:25,781 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:27:25,782 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091292657] [2021-07-01 11:27:25,782 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091292657] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:27:25,782 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1823647943] [2021-07-01 11:27:25,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 11:27:25,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:27:25,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 39 conjunts are in the unsatisfiable core [2021-07-01 11:27:25,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-01 11:27:25,971 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-07-01 11:27:25,972 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1823647943] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:27:25,972 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-01 11:27:25,972 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-07-01 11:27:25,972 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963626787] [2021-07-01 11:27:25,973 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-01 11:27:25,973 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:27:25,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-01 11:27:25,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2021-07-01 11:27:25,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:27:25,974 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:27:25,974 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-01 11:27:25,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:27:25,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:27:25,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:27:26,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:27:26,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:27:26,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-01 11:27:26,501 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 11:27:26,501 INFO L430 AbstractCegarLoop]: === Iteration 4 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:27:26,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:27:26,502 INFO L82 PathProgramCache]: Analyzing trace with hash 557575618, now seen corresponding path program 1 times [2021-07-01 11:27:26,502 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:27:26,502 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678493932] [2021-07-01 11:27:26,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:27:26,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:27:26,913 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-07-01 11:27:26,913 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:27:26,913 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678493932] [2021-07-01 11:27:26,913 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1678493932] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:27:26,914 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [224568644] [2021-07-01 11:27:26,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 11:27:26,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:27:26,961 WARN L261 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 44 conjunts are in the unsatisfiable core [2021-07-01 11:27:26,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-01 11:27:27,158 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-07-01 11:27:27,159 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [224568644] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:27:27,159 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-01 11:27:27,159 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-07-01 11:27:27,159 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764260854] [2021-07-01 11:27:27,159 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-01 11:27:27,160 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:27:27,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-01 11:27:27,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=99, Unknown=0, NotChecked=0, Total=156 [2021-07-01 11:27:27,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:27:27,162 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:27:27,162 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 5.615384615384615) internal successors, (73), 12 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-01 11:27:27,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:27:27,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:27:27,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-01 11:27:27,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:27:29,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:27:29,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:27:29,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-01 11:27:29,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-01 11:27:29,541 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 11:27:29,542 INFO L430 AbstractCegarLoop]: === Iteration 5 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:27:29,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:27:29,542 INFO L82 PathProgramCache]: Analyzing trace with hash -718836759, now seen corresponding path program 1 times [2021-07-01 11:27:29,542 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:27:29,542 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961054382] [2021-07-01 11:27:29,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:27:29,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:27:29,695 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 14 proven. 13 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-07-01 11:27:29,695 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:27:29,696 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961054382] [2021-07-01 11:27:29,696 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961054382] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:27:29,696 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1978276638] [2021-07-01 11:27:29,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 11:27:29,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:27:29,753 WARN L261 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 59 conjunts are in the unsatisfiable core [2021-07-01 11:27:29,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-01 11:27:29,929 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 23 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-07-01 11:27:29,930 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1978276638] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:27:29,930 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-01 11:27:29,930 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2021-07-01 11:27:29,930 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693456875] [2021-07-01 11:27:29,932 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-01 11:27:29,932 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:27:29,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-01 11:27:29,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2021-07-01 11:27:29,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:27:29,933 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:27:29,933 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 5.533333333333333) internal successors, (83), 14 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-01 11:27:29,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:27:29,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:27:29,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-01 11:27:29,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-01 11:27:29,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:27:33,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:27:33,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:27:33,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-01 11:27:33,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-01 11:27:33,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-01 11:27:33,368 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 11:27:33,369 INFO L430 AbstractCegarLoop]: === Iteration 6 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:27:33,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:27:33,370 INFO L82 PathProgramCache]: Analyzing trace with hash 1524113023, now seen corresponding path program 1 times [2021-07-01 11:27:33,370 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:27:33,370 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495253831] [2021-07-01 11:27:33,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:27:33,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:27:33,527 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 27 proven. 20 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-07-01 11:27:33,528 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:27:33,528 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495253831] [2021-07-01 11:27:33,528 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [495253831] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:27:33,528 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1114187868] [2021-07-01 11:27:33,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 11:27:33,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:27:33,577 WARN L261 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 79 conjunts are in the unsatisfiable core [2021-07-01 11:27:33,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-01 11:27:33,785 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 5 proven. 42 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-07-01 11:27:33,785 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1114187868] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:27:33,785 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-01 11:27:33,785 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-07-01 11:27:33,785 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283727716] [2021-07-01 11:27:33,786 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-01 11:27:33,786 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:27:33,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-01 11:27:33,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2021-07-01 11:27:33,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:27:33,787 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:27:33,787 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 5.705882352941177) internal successors, (97), 16 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-01 11:27:33,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:27:33,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:27:33,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-01 11:27:33,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-01 11:27:33,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-01 11:27:33,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:27:53,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:27:53,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:27:53,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-01 11:27:53,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-01 11:27:53,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-01 11:27:53,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-01 11:27:53,640 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 11:27:53,641 INFO L430 AbstractCegarLoop]: === Iteration 7 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:27:53,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:27:53,641 INFO L82 PathProgramCache]: Analyzing trace with hash 546237168, now seen corresponding path program 1 times [2021-07-01 11:27:53,641 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:27:53,642 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697483260] [2021-07-01 11:27:53,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:27:53,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:27:53,847 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 24 proven. 43 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-07-01 11:27:53,847 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:27:53,847 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697483260] [2021-07-01 11:27:53,848 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697483260] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:27:53,848 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1204541973] [2021-07-01 11:27:53,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 11:27:53,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:27:53,909 WARN L261 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 104 conjunts are in the unsatisfiable core [2021-07-01 11:27:53,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-01 11:27:54,155 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 4 proven. 63 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-07-01 11:27:54,156 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1204541973] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:27:54,156 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-01 11:27:54,156 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-07-01 11:27:54,156 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174640180] [2021-07-01 11:27:54,157 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-01 11:27:54,157 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:27:54,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-01 11:27:54,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2021-07-01 11:27:54,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:27:54,158 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:27:54,158 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 5.7368421052631575) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-01 11:27:54,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:27:54,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:27:54,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-01 11:27:54,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-01 11:27:54,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-01 11:27:54,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-01 11:27:54,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:28:35,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:28:35,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:28:35,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-01 11:28:35,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-01 11:28:35,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-01 11:28:35,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-01 11:28:35,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-01 11:28:35,429 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 11:28:35,433 INFO L301 ceAbstractionStarter]: Result for error location DeviceThreadWithAssertThread1of1ForFork1 was SAFE (2/2) [2021-07-01 11:28:35,433 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-01 11:28:35,435 INFO L202 PluginConnector]: Adding new model bluetooth-correct07.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 11:28:35 BasicIcfg [2021-07-01 11:28:35,435 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-01 11:28:35,436 INFO L168 Benchmark]: Toolchain (without parser) took 86687.26 ms. Allocated memory was 182.5 MB in the beginning and 7.4 GB in the end (delta: 7.2 GB). Free memory was 162.1 MB in the beginning and 4.9 GB in the end (delta: -4.8 GB). Peak memory consumption was 2.8 GB. Max. memory is 8.0 GB. [2021-07-01 11:28:35,436 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.15 ms. Allocated memory is still 182.5 MB. Free memory was 163.2 MB in the beginning and 163.1 MB in the end (delta: 79.4 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-07-01 11:28:35,436 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.77 ms. Allocated memory is still 182.5 MB. Free memory was 162.0 MB in the beginning and 160.2 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-01 11:28:35,436 INFO L168 Benchmark]: Boogie Preprocessor took 14.76 ms. Allocated memory is still 182.5 MB. Free memory was 160.2 MB in the beginning and 159.2 MB in the end (delta: 965.7 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-01 11:28:35,436 INFO L168 Benchmark]: RCFGBuilder took 413.00 ms. Allocated memory is still 182.5 MB. Free memory was 159.2 MB in the beginning and 144.1 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. [2021-07-01 11:28:35,437 INFO L168 Benchmark]: TraceAbstraction took 86181.77 ms. Allocated memory was 182.5 MB in the beginning and 7.4 GB in the end (delta: 7.2 GB). Free memory was 143.5 MB in the beginning and 4.9 GB in the end (delta: -4.8 GB). Peak memory consumption was 2.7 GB. Max. memory is 8.0 GB. [2021-07-01 11:28:35,437 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 0.15 ms. Allocated memory is still 182.5 MB. Free memory was 163.2 MB in the beginning and 163.1 MB in the end (delta: 79.4 kB). There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 35.77 ms. Allocated memory is still 182.5 MB. Free memory was 162.0 MB in the beginning and 160.2 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 14.76 ms. Allocated memory is still 182.5 MB. Free memory was 160.2 MB in the beginning and 159.2 MB in the end (delta: 965.7 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 413.00 ms. Allocated memory is still 182.5 MB. Free memory was 159.2 MB in the beginning and 144.1 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 86181.77 ms. Allocated memory was 182.5 MB in the beginning and 7.4 GB in the end (delta: 7.2 GB). Free memory was 143.5 MB in the beginning and 4.9 GB in the end (delta: -4.8 GB). Peak memory consumption was 2.7 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: 7289032, positive: 5540859, positive conditional: 5540859, positive unconditional: 0, negative: 1748173, negative conditional: 1748173, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 6688101, positive: 5540859, positive conditional: 5540859, positive unconditional: 0, negative: 1147242, negative conditional: 1147242, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 6688101, positive: 5540859, positive conditional: 0, positive unconditional: 5540859, negative: 1147242, negative conditional: 0, negative unconditional: 1147242, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 674, positive: 588, positive conditional: 0, positive unconditional: 588, negative: 86, negative conditional: 0, negative unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 674, positive: 502, positive conditional: 0, positive unconditional: 502, negative: 172, negative conditional: 0, negative unconditional: 172, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 172, positive: 86, positive conditional: 0, positive unconditional: 86, negative: 86, negative conditional: 0, negative unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 172, positive: 86, positive conditional: 0, positive unconditional: 86, negative: 86, negative conditional: 0, negative unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 662, positive: 386, positive conditional: 0, positive unconditional: 386, negative: 276, negative conditional: 0, negative unconditional: 276, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 6688101, positive: 5540271, positive conditional: 0, positive unconditional: 5540271, negative: 1147156, negative conditional: 0, negative unconditional: 1147156, unknown: 674, unknown conditional: 0, unknown unconditional: 674] , Statistics on independence cache: Total cache size (in pairs): 674, Positive cache size: 588, Positive conditional cache size: 0, Positive unconditional cache size: 588, Negative cache size: 86, Negative conditional cache size: 0, Negative unconditional cache size: 86 ], Maximal queried relation: 0, Independence queries for same thread: 600931 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 14534915, positive: 13817975, positive conditional: 13817975, positive unconditional: 0, negative: 716940, negative conditional: 716940, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 13912730, positive: 13817975, positive conditional: 13817975, positive unconditional: 0, negative: 94755, negative conditional: 94755, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 13912730, positive: 11981956, positive conditional: 0, positive unconditional: 11981956, negative: 1930774, negative conditional: 0, negative unconditional: 1930774, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 837, positive: 725, positive conditional: 0, positive unconditional: 725, negative: 112, negative conditional: 0, negative unconditional: 112, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 837, positive: 613, positive conditional: 0, positive unconditional: 613, negative: 224, negative conditional: 0, negative unconditional: 224, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 224, positive: 112, positive conditional: 0, positive unconditional: 112, negative: 112, negative conditional: 0, negative unconditional: 112, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2492, positive: 1794, positive conditional: 1682, positive unconditional: 112, negative: 698, negative conditional: 586, negative unconditional: 112, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3636, positive: 2637, positive conditional: 2416, positive unconditional: 221, negative: 999, negative conditional: 861, negative unconditional: 138, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 13912730, positive: 11981231, positive conditional: 0, positive unconditional: 11981231, negative: 1930662, negative conditional: 0, negative unconditional: 1930662, unknown: 837, unknown conditional: 0, unknown unconditional: 837] , Statistics on independence cache: Total cache size (in pairs): 3105, Positive cache size: 2407, Positive conditional cache size: 1682, Positive unconditional cache size: 725, Negative cache size: 698, Negative conditional cache size: 586, Negative unconditional cache size: 112, SemanticConditionEliminator.Independence Queries: [ total: 4661883, positive: 1836019, positive conditional: 1836019, positive unconditional: 0, negative: 2825864, negative conditional: 504781, negative unconditional: 2321083, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4661883, positive: 1836019, positive conditional: 1836019, positive unconditional: 0, negative: 2825864, negative conditional: 504781, negative unconditional: 2321083, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2492, positive: 1794, positive conditional: 1682, positive unconditional: 112, negative: 698, negative conditional: 586, negative unconditional: 112, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3636, positive: 2637, positive conditional: 2416, positive unconditional: 221, negative: 999, negative conditional: 861, negative unconditional: 138, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4661883, positive: 1834337, positive conditional: 1834337, positive unconditional: 0, negative: 2825278, negative conditional: 504195, negative unconditional: 2321083, unknown: 2268, unknown conditional: 2268, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3105, Positive cache size: 2407, Positive conditional cache size: 1682, Positive unconditional cache size: 725, Negative cache size: 698, Negative conditional cache size: 586, Negative unconditional cache size: 112, Eliminated conditions: 2321083, SemanticConditionEliminator.Independence Queries: [ total: 4661883, positive: 1836019, positive conditional: 1836019, positive unconditional: 0, negative: 2825864, negative conditional: 504781, negative unconditional: 2321083, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4661883, positive: 1836019, positive conditional: 1836019, positive unconditional: 0, negative: 2825864, negative conditional: 504781, negative unconditional: 2321083, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2492, positive: 1794, positive conditional: 1682, positive unconditional: 112, negative: 698, negative conditional: 586, negative unconditional: 112, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3636, positive: 2637, positive conditional: 2416, positive unconditional: 221, negative: 999, negative conditional: 861, negative unconditional: 138, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4661883, positive: 1834337, positive conditional: 1834337, positive unconditional: 0, negative: 2825278, negative conditional: 504195, negative unconditional: 2321083, unknown: 2268, unknown conditional: 2268, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3105, Positive cache size: 2407, Positive conditional cache size: 1682, Positive unconditional cache size: 725, Negative cache size: 698, Negative conditional cache size: 586, Negative unconditional cache size: 112, Eliminated conditions: 2321083, SemanticConditionEliminator.Independence Queries: [ total: 4661883, positive: 1836019, positive conditional: 1836019, positive unconditional: 0, negative: 2825864, negative conditional: 504781, negative unconditional: 2321083, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4661883, positive: 1836019, positive conditional: 1836019, positive unconditional: 0, negative: 2825864, negative conditional: 504781, negative unconditional: 2321083, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2492, positive: 1794, positive conditional: 1682, positive unconditional: 112, negative: 698, negative conditional: 586, negative unconditional: 112, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3636, positive: 2637, positive conditional: 2416, positive unconditional: 221, negative: 999, negative conditional: 861, negative unconditional: 138, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4661883, positive: 1834337, positive conditional: 1834337, positive unconditional: 0, negative: 2825278, negative conditional: 504195, negative unconditional: 2321083, unknown: 2268, unknown conditional: 2268, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3105, Positive cache size: 2407, Positive conditional cache size: 1682, Positive unconditional cache size: 725, Negative cache size: 698, Negative conditional cache size: 586, Negative unconditional cache size: 112, Eliminated conditions: 2321083, SemanticConditionEliminator.Independence Queries: [ total: 4661883, positive: 1836019, positive conditional: 1836019, positive unconditional: 0, negative: 2825864, negative conditional: 504781, negative unconditional: 2321083, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4661883, positive: 1836019, positive conditional: 1836019, positive unconditional: 0, negative: 2825864, negative conditional: 504781, negative unconditional: 2321083, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2492, positive: 1794, positive conditional: 1682, positive unconditional: 112, negative: 698, negative conditional: 586, negative unconditional: 112, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3636, positive: 2637, positive conditional: 2416, positive unconditional: 221, negative: 999, negative conditional: 861, negative unconditional: 138, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4661883, positive: 1834337, positive conditional: 1834337, positive unconditional: 0, negative: 2825278, negative conditional: 504195, negative unconditional: 2321083, unknown: 2268, unknown conditional: 2268, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3105, Positive cache size: 2407, Positive conditional cache size: 1682, Positive unconditional cache size: 725, Negative cache size: 698, Negative conditional cache size: 586, Negative unconditional cache size: 112, Eliminated conditions: 2321083, SemanticConditionEliminator.Independence Queries: [ total: 4661883, positive: 1836019, positive conditional: 1836019, positive unconditional: 0, negative: 2825864, negative conditional: 504781, negative unconditional: 2321083, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4661883, positive: 1836019, positive conditional: 1836019, positive unconditional: 0, negative: 2825864, negative conditional: 504781, negative unconditional: 2321083, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2492, positive: 1794, positive conditional: 1682, positive unconditional: 112, negative: 698, negative conditional: 586, negative unconditional: 112, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3636, positive: 2637, positive conditional: 2416, positive unconditional: 221, negative: 999, negative conditional: 861, negative unconditional: 138, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4661883, positive: 1834337, positive conditional: 1834337, positive unconditional: 0, negative: 2825278, negative conditional: 504195, negative unconditional: 2321083, unknown: 2268, unknown conditional: 2268, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3105, Positive cache size: 2407, Positive conditional cache size: 1682, Positive unconditional cache size: 725, Negative cache size: 698, Negative conditional cache size: 586, Negative unconditional cache size: 112, Eliminated conditions: 2321083, SemanticConditionEliminator.Independence Queries: [ total: 4661883, positive: 1836019, positive conditional: 1836019, positive unconditional: 0, negative: 2825864, negative conditional: 504781, negative unconditional: 2321083, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4661883, positive: 1836019, positive conditional: 1836019, positive unconditional: 0, negative: 2825864, negative conditional: 504781, negative unconditional: 2321083, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2492, positive: 1794, positive conditional: 1682, positive unconditional: 112, negative: 698, negative conditional: 586, negative unconditional: 112, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3636, positive: 2637, positive conditional: 2416, positive unconditional: 221, negative: 999, negative conditional: 861, negative unconditional: 138, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4661883, positive: 1834337, positive conditional: 1834337, positive unconditional: 0, negative: 2825278, negative conditional: 504195, negative unconditional: 2321083, unknown: 2268, unknown conditional: 2268, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3105, Positive cache size: 2407, Positive conditional cache size: 1682, Positive unconditional cache size: 725, Negative cache size: 698, Negative conditional cache size: 586, Negative unconditional cache size: 112, Eliminated conditions: 2321083, SemanticConditionEliminator.Independence Queries: [ total: 4661883, positive: 1836019, positive conditional: 1836019, positive unconditional: 0, negative: 2825864, negative conditional: 504781, negative unconditional: 2321083, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4661883, positive: 1836019, positive conditional: 1836019, positive unconditional: 0, negative: 2825864, negative conditional: 504781, negative unconditional: 2321083, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2492, positive: 1794, positive conditional: 1682, positive unconditional: 112, negative: 698, negative conditional: 586, negative unconditional: 112, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3636, positive: 2637, positive conditional: 2416, positive unconditional: 221, negative: 999, negative conditional: 861, negative unconditional: 138, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4661883, positive: 1834337, positive conditional: 1834337, positive unconditional: 0, negative: 2825278, negative conditional: 504195, negative unconditional: 2321083, unknown: 2268, unknown conditional: 2268, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3105, Positive cache size: 2407, Positive conditional cache size: 1682, Positive unconditional cache size: 725, Negative cache size: 698, Negative conditional cache size: 586, Negative unconditional cache size: 112, Eliminated conditions: 2321083 ], Maximal queried relation: 7, Independence queries for same thread: 622185 - PositiveResult [Line: 40]: 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 12 procedures, 65 locations, 10 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15703.2ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 17.5ms, PartialOrderReductionTime: 15625.9ms, 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 12 procedures, 65 locations, 10 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 70340.7ms, OverallIterations: 7, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.4ms, PartialOrderReductionTime: 66738.7ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 71, 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: 48.1ms SsaConstructionTime, 457.5ms SatisfiabilityAnalysisTime, 1748.3ms InterpolantComputationTime, 537 NumberOfCodeBlocks, 537 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 525 ConstructedInterpolants, 0 QuantifiedInterpolants, 2844 SizeOfPredicates, 5 NumberOfNonLiveVariables, 555 ConjunctsInSsa, 325 ConjunctsInUnsatCore, 12 InterpolantComputations, 2 PerfectInterpolantSequences, 204/442 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...