/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct06.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-1c3aa5735269c4be989a50fc1da9ea7b9492ef29-1c3aa57 [2021-07-01 11:13:17,235 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-01 11:13:17,237 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-01 11:13:17,262 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-01 11:13:17,295 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Lockstep.epf [2021-07-01 11:13:17,315 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-01 11:13:17,316 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-01 11:13:17,316 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-01 11:13:17,316 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-01 11:13:17,317 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-01 11:13:17,317 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-01 11:13:17,317 INFO L138 SettingsManager]: * Use SBE=true [2021-07-01 11:13:17,318 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-01 11:13:17,318 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-01 11:13:17,318 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-01 11:13:17,318 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-01 11:13:17,318 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-01 11:13:17,318 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-01 11:13:17,318 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-01 11:13:17,319 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-01 11:13:17,319 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-01 11:13:17,319 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-01 11:13:17,319 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-01 11:13:17,319 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-01 11:13:17,319 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-01 11:13:17,319 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-01 11:13:17,320 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-01 11:13:17,320 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-01 11:13:17,320 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-01 11:13:17,320 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-01 11:13:17,320 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-01 11:13:17,320 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-01 11:13:17,320 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-01 11:13:17,321 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-07-01 11:13:17,321 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-01 11:13:17,321 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-01 11:13:17,321 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-01 11:13:17,321 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-01 11:13:17,321 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-07-01 11:13:17,321 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-01 11:13:17,644 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-01 11:13:17,664 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-01 11:13:17,667 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-01 11:13:17,667 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-01 11:13:17,668 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-01 11:13:17,669 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct06.bpl [2021-07-01 11:13:17,669 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct06.bpl' [2021-07-01 11:13:17,690 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-01 11:13:17,692 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-01 11:13:17,692 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-01 11:13:17,693 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-01 11:13:17,693 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-01 11:13:17,705 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth-correct06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:13:17" (1/1) ... [2021-07-01 11:13:17,712 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth-correct06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:13:17" (1/1) ... [2021-07-01 11:13:17,730 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-01 11:13:17,731 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-01 11:13:17,732 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-01 11:13:17,732 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-01 11:13:17,739 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth-correct06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:13:17" (1/1) ... [2021-07-01 11:13:17,739 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth-correct06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:13:17" (1/1) ... [2021-07-01 11:13:17,740 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth-correct06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:13:17" (1/1) ... [2021-07-01 11:13:17,740 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth-correct06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:13:17" (1/1) ... [2021-07-01 11:13:17,742 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth-correct06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:13:17" (1/1) ... [2021-07-01 11:13:17,745 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth-correct06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:13:17" (1/1) ... [2021-07-01 11:13:17,746 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth-correct06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:13:17" (1/1) ... [2021-07-01 11:13:17,748 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-01 11:13:17,749 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-01 11:13:17,749 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-01 11:13:17,750 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-01 11:13:17,751 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-correct06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:13:17" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-01 11:13:17,822 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThreadWithAssert given in one single declaration [2021-07-01 11:13:17,822 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThreadWithAssert [2021-07-01 11:13:17,822 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThreadWithAssert [2021-07-01 11:13:17,822 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration [2021-07-01 11:13:17,822 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThread [2021-07-01 11:13:17,823 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThread [2021-07-01 11:13:17,823 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration [2021-07-01 11:13:17,823 INFO L130 BoogieDeclarations]: Found specification of procedure ServerThread [2021-07-01 11:13:17,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ServerThread [2021-07-01 11:13:17,823 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-01 11:13:17,823 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-01 11:13:17,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-01 11:13:17,824 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-01 11:13:18,108 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-01 11:13:18,108 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-07-01 11:13:18,109 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadWithAssertEXIT is neither atomic block end nor error location. [2021-07-01 11:13:18,109 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadEXIT is neither atomic block end nor error location. [2021-07-01 11:13:18,110 INFO L202 PluginConnector]: Adding new model bluetooth-correct06.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 11:13:18 BoogieIcfgContainer [2021-07-01 11:13:18,110 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-01 11:13:18,112 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-01 11:13:18,112 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-01 11:13:18,115 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-01 11:13:18,115 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-correct06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:13:17" (1/2) ... [2021-07-01 11:13:18,116 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74e9546b and model type bluetooth-correct06.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 11:13:18, skipping insertion in model container [2021-07-01 11:13:18,116 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-correct06.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 11:13:18" (2/2) ... [2021-07-01 11:13:18,117 INFO L111 eAbstractionObserver]: Analyzing ICFG bluetooth-correct06.bpl [2021-07-01 11:13:18,122 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-01 11:13:18,122 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-01 11:13:18,123 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-01 11:13:18,123 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-01 11:13:18,181 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-01 11:13:18,202 INFO L255 AbstractCegarLoop]: Starting to check reachability of 7 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-01 11:13:18,252 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-01 11:13:18,253 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-01 11:13:18,253 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-01 11:13:18,253 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-01 11:13:18,253 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-01 11:13:18,253 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-01 11:13:18,253 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-01 11:13:18,253 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-01 11:13:21,422 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (1/2) [2021-07-01 11:13:21,423 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 11:13:21,450 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-01 11:13:21,450 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-01 11:13:21,450 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-01 11:13:21,450 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-01 11:13:21,450 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-01 11:13:21,450 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-01 11:13:21,450 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-01 11:13:21,450 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 11:13:21,484 INFO L430 AbstractCegarLoop]: === Iteration 1 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:13:21,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:13:21,488 INFO L82 PathProgramCache]: Analyzing trace with hash -777383013, now seen corresponding path program 1 times [2021-07-01 11:13:21,498 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:13:21,498 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112420745] [2021-07-01 11:13:21,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:13:21,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:13:21,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-01 11:13:21,608 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:13:21,608 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112420745] [2021-07-01 11:13:21,609 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1112420745] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 11:13:21,609 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 11:13:21,609 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-01 11:13:21,610 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621153824] [2021-07-01 11:13:21,615 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-01 11:13:21,616 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:13:21,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-01 11:13:21,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-01 11:13:21,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:13:21,630 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:13:21,631 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-01 11:13:21,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:13:21,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:13:21,756 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-01 11:13:21,756 INFO L430 AbstractCegarLoop]: === Iteration 2 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:13:21,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:13:21,757 INFO L82 PathProgramCache]: Analyzing trace with hash 529119306, now seen corresponding path program 1 times [2021-07-01 11:13:21,757 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:13:21,758 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095735258] [2021-07-01 11:13:21,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:13:21,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:13:21,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-01 11:13:21,782 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:13:21,782 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095735258] [2021-07-01 11:13:21,782 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095735258] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 11:13:21,782 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 11:13:21,782 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-01 11:13:21,782 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126899244] [2021-07-01 11:13:21,783 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-01 11:13:21,784 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:13:21,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-01 11:13:21,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-01 11:13:21,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:13:21,785 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:13:21,785 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-01 11:13:21,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:13:21,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:13:21,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:13:21,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:13:21,939 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-01 11:13:21,939 INFO L430 AbstractCegarLoop]: === Iteration 3 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:13:21,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:13:21,940 INFO L82 PathProgramCache]: Analyzing trace with hash 1778313197, now seen corresponding path program 1 times [2021-07-01 11:13:21,940 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:13:21,940 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104183647] [2021-07-01 11:13:21,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:13:21,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:13:22,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-01 11:13:22,021 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:13:22,021 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104183647] [2021-07-01 11:13:22,022 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104183647] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 11:13:22,022 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 11:13:22,023 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-01 11:13:22,023 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373899157] [2021-07-01 11:13:22,024 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-01 11:13:22,024 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:13:22,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-01 11:13:22,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-07-01 11:13:22,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:13:22,025 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:13:22,025 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-01 11:13:22,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:13:22,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:13:22,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:13:22,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:13:22,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:13:22,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:13:22,264 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-01 11:13:22,264 INFO L430 AbstractCegarLoop]: === Iteration 4 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:13:22,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:13:22,265 INFO L82 PathProgramCache]: Analyzing trace with hash -303971463, now seen corresponding path program 1 times [2021-07-01 11:13:22,265 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:13:22,265 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356206946] [2021-07-01 11:13:22,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:13:22,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:13:22,463 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-01 11:13:22,464 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:13:22,464 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356206946] [2021-07-01 11:13:22,464 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1356206946] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 11:13:22,464 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 11:13:22,464 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-01 11:13:22,464 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145874118] [2021-07-01 11:13:22,465 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-01 11:13:22,465 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:13:22,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-01 11:13:22,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2021-07-01 11:13:22,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:13:22,466 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:13:22,466 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 4.0) internal successors, (28), 6 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-01 11:13:22,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:13:22,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:13:22,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:13:22,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:13:22,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:13:22,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:13:22,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:13:22,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-01 11:13:22,752 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-07-01 11:13:22,753 INFO L430 AbstractCegarLoop]: === Iteration 5 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:13:22,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:13:22,753 INFO L82 PathProgramCache]: Analyzing trace with hash 2064634520, now seen corresponding path program 1 times [2021-07-01 11:13:22,753 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:13:22,753 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189543291] [2021-07-01 11:13:22,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:13:22,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:13:22,864 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-07-01 11:13:22,865 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:13:22,865 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189543291] [2021-07-01 11:13:22,865 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189543291] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:13:22,865 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1150189464] [2021-07-01 11:13:22,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 11:13:22,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:13:22,918 WARN L261 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 49 conjunts are in the unsatisfiable core [2021-07-01 11:13:22,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-01 11:13:23,099 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-07-01 11:13:23,099 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1150189464] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:13:23,099 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-01 11:13:23,099 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-07-01 11:13:23,100 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132692741] [2021-07-01 11:13:23,100 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-01 11:13:23,100 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:13:23,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-01 11:13:23,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=99, Unknown=0, NotChecked=0, Total=156 [2021-07-01 11:13:23,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:13:23,101 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:13:23,101 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 5.153846153846154) internal successors, (67), 12 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-01 11:13:23,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:13:23,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:13:23,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:13:23,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-01 11:13:23,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:13:24,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:13:24,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:13:24,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:13:24,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-01 11:13:24,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-01 11:13:24,319 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 11:13:24,319 INFO L430 AbstractCegarLoop]: === Iteration 6 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:13:24,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:13:24,320 INFO L82 PathProgramCache]: Analyzing trace with hash -320786463, now seen corresponding path program 1 times [2021-07-01 11:13:24,320 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:13:24,320 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334411000] [2021-07-01 11:13:24,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:13:24,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:13:24,493 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 41 proven. 9 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-07-01 11:13:24,494 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:13:24,494 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334411000] [2021-07-01 11:13:24,494 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334411000] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:13:24,494 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [440512056] [2021-07-01 11:13:24,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 11:13:24,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:13:24,570 WARN L261 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 84 conjunts are in the unsatisfiable core [2021-07-01 11:13:24,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-01 11:13:24,781 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 4 proven. 46 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-07-01 11:13:24,781 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [440512056] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:13:24,781 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-01 11:13:24,781 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2021-07-01 11:13:24,782 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115194050] [2021-07-01 11:13:24,783 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-01 11:13:24,783 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:13:24,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-01 11:13:24,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2021-07-01 11:13:24,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:13:24,785 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:13:24,785 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 5.333333333333333) internal successors, (80), 14 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-01 11:13:24,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:13:24,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:13:24,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:13:24,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-01 11:13:24,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-01 11:13:24,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:13:28,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:13:28,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:13:28,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:13:28,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-01 11:13:28,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-01 11:13:28,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-01 11:13:28,778 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 11:13:28,778 INFO L430 AbstractCegarLoop]: === Iteration 7 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:13:28,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:13:28,778 INFO L82 PathProgramCache]: Analyzing trace with hash -361051318, now seen corresponding path program 1 times [2021-07-01 11:13:28,779 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:13:28,779 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292388863] [2021-07-01 11:13:28,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:13:28,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:13:29,067 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 70 proven. 26 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-07-01 11:13:29,070 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:13:29,070 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292388863] [2021-07-01 11:13:29,071 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292388863] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:13:29,071 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1277536555] [2021-07-01 11:13:29,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 11:13:29,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:13:29,144 WARN L261 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 129 conjunts are in the unsatisfiable core [2021-07-01 11:13:29,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-01 11:13:29,391 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 5 proven. 91 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-07-01 11:13:29,391 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1277536555] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:13:29,391 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-01 11:13:29,391 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-07-01 11:13:29,392 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236295722] [2021-07-01 11:13:29,392 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-01 11:13:29,392 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:13:29,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-01 11:13:29,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2021-07-01 11:13:29,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:13:29,393 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:13:29,393 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 6.0) internal successors, (102), 16 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-01 11:13:29,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:13:29,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:13:29,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:13:29,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-01 11:13:29,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-01 11:13:29,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-01 11:13:29,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:13:56,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:13:56,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:13:56,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:13:56,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-01 11:13:56,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-01 11:13:56,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-01 11:13:56,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-01 11:13:56,481 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-07-01 11:13:56,484 INFO L301 ceAbstractionStarter]: Result for error location DeviceThreadWithAssertThread1of1ForFork1 was SAFE (2/2) [2021-07-01 11:13:56,484 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-01 11:13:56,486 INFO L202 PluginConnector]: Adding new model bluetooth-correct06.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 11:13:56 BasicIcfg [2021-07-01 11:13:56,486 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-01 11:13:56,487 INFO L168 Benchmark]: Toolchain (without parser) took 38795.77 ms. Allocated memory was 330.3 MB in the beginning and 6.4 GB in the end (delta: 6.0 GB). Free memory was 309.4 MB in the beginning and 5.3 GB in the end (delta: -5.0 GB). Peak memory consumption was 2.0 GB. Max. memory is 8.0 GB. [2021-07-01 11:13:56,487 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.14 ms. Allocated memory is still 330.3 MB. Free memory is still 310.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-01 11:13:56,487 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.59 ms. Allocated memory is still 330.3 MB. Free memory was 309.3 MB in the beginning and 307.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-01 11:13:56,488 INFO L168 Benchmark]: Boogie Preprocessor took 17.03 ms. Allocated memory is still 330.3 MB. Free memory was 307.6 MB in the beginning and 306.6 MB in the end (delta: 976.4 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-01 11:13:56,488 INFO L168 Benchmark]: RCFGBuilder took 361.36 ms. Allocated memory is still 330.3 MB. Free memory was 306.6 MB in the beginning and 291.1 MB in the end (delta: 15.5 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. [2021-07-01 11:13:56,488 INFO L168 Benchmark]: TraceAbstraction took 38374.60 ms. Allocated memory was 330.3 MB in the beginning and 6.4 GB in the end (delta: 6.0 GB). Free memory was 290.7 MB in the beginning and 5.3 GB in the end (delta: -5.0 GB). Peak memory consumption was 2.0 GB. Max. memory is 8.0 GB. [2021-07-01 11:13:56,488 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.14 ms. Allocated memory is still 330.3 MB. Free memory is still 310.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 37.59 ms. Allocated memory is still 330.3 MB. Free memory was 309.3 MB in the beginning and 307.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 17.03 ms. Allocated memory is still 330.3 MB. Free memory was 307.6 MB in the beginning and 306.6 MB in the end (delta: 976.4 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 361.36 ms. Allocated memory is still 330.3 MB. Free memory was 306.6 MB in the beginning and 291.1 MB in the end (delta: 15.5 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 38374.60 ms. Allocated memory was 330.3 MB in the beginning and 6.4 GB in the end (delta: 6.0 GB). Free memory was 290.7 MB in the beginning and 5.3 GB in the end (delta: -5.0 GB). Peak memory consumption was 2.0 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: 831116, positive: 636847, positive conditional: 636847, positive unconditional: 0, negative: 194269, negative conditional: 194269, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 758248, positive: 636847, positive conditional: 636847, positive unconditional: 0, negative: 121401, negative conditional: 121401, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 758248, positive: 636847, positive conditional: 0, positive unconditional: 636847, negative: 121401, negative conditional: 0, negative unconditional: 121401, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 505, positive: 443, positive conditional: 0, positive unconditional: 443, negative: 62, negative conditional: 0, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 505, positive: 381, positive conditional: 0, positive unconditional: 381, negative: 124, negative conditional: 0, negative unconditional: 124, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 124, positive: 62, positive conditional: 0, positive unconditional: 62, negative: 62, negative conditional: 0, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 124, positive: 62, positive conditional: 0, positive unconditional: 62, negative: 62, negative conditional: 0, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 529, positive: 246, positive conditional: 0, positive unconditional: 246, negative: 284, negative conditional: 0, negative unconditional: 284, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 758248, positive: 636404, positive conditional: 0, positive unconditional: 636404, negative: 121339, negative conditional: 0, negative unconditional: 121339, unknown: 505, unknown conditional: 0, unknown unconditional: 505] , Statistics on independence cache: Total cache size (in pairs): 505, Positive cache size: 443, Positive conditional cache size: 0, Positive unconditional cache size: 443, Negative cache size: 62, Negative conditional cache size: 0, Negative unconditional cache size: 62 ], Maximal queried relation: 0, Independence queries for same thread: 72868 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 8263706, positive: 7773814, positive conditional: 7773814, positive unconditional: 0, negative: 489892, negative conditional: 489892, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 7925733, positive: 7773814, positive conditional: 7773814, positive unconditional: 0, negative: 151919, negative conditional: 151919, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 7925733, positive: 6478119, positive conditional: 0, positive unconditional: 6478119, negative: 1447614, negative conditional: 0, negative unconditional: 1447614, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 626, positive: 547, positive conditional: 0, positive unconditional: 547, negative: 79, negative conditional: 0, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 626, positive: 467, positive conditional: 0, positive unconditional: 467, negative: 159, negative conditional: 0, negative unconditional: 159, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 159, positive: 80, positive conditional: 0, positive unconditional: 80, negative: 79, negative conditional: 0, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1597, positive: 1121, positive conditional: 1041, positive unconditional: 80, negative: 476, negative conditional: 397, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2310, positive: 1671, positive conditional: 1474, positive unconditional: 197, negative: 639, negative conditional: 496, negative unconditional: 143, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 7925733, positive: 6477572, positive conditional: 0, positive unconditional: 6477572, negative: 1447535, negative conditional: 0, negative unconditional: 1447535, unknown: 626, unknown conditional: 0, unknown unconditional: 626] , Statistics on independence cache: Total cache size (in pairs): 2064, Positive cache size: 1588, Positive conditional cache size: 1041, Positive unconditional cache size: 547, Negative cache size: 476, Negative conditional cache size: 397, Negative unconditional cache size: 79, SemanticConditionEliminator.Independence Queries: [ total: 4371670, positive: 1295695, positive conditional: 1295695, positive unconditional: 0, negative: 3075975, negative conditional: 600367, negative unconditional: 2475608, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4371670, positive: 1295695, positive conditional: 1295695, positive unconditional: 0, negative: 3075975, negative conditional: 600367, negative unconditional: 2475608, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1597, positive: 1121, positive conditional: 1041, positive unconditional: 80, negative: 476, negative conditional: 397, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2310, positive: 1671, positive conditional: 1474, positive unconditional: 197, negative: 639, negative conditional: 496, negative unconditional: 143, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4371670, positive: 1294654, positive conditional: 1294654, positive unconditional: 0, negative: 3075578, negative conditional: 599970, negative unconditional: 2475608, unknown: 1438, unknown conditional: 1438, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2064, Positive cache size: 1588, Positive conditional cache size: 1041, Positive unconditional cache size: 547, Negative cache size: 476, Negative conditional cache size: 397, Negative unconditional cache size: 79, Eliminated conditions: 2475608, SemanticConditionEliminator.Independence Queries: [ total: 4371670, positive: 1295695, positive conditional: 1295695, positive unconditional: 0, negative: 3075975, negative conditional: 600367, negative unconditional: 2475608, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4371670, positive: 1295695, positive conditional: 1295695, positive unconditional: 0, negative: 3075975, negative conditional: 600367, negative unconditional: 2475608, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1597, positive: 1121, positive conditional: 1041, positive unconditional: 80, negative: 476, negative conditional: 397, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2310, positive: 1671, positive conditional: 1474, positive unconditional: 197, negative: 639, negative conditional: 496, negative unconditional: 143, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4371670, positive: 1294654, positive conditional: 1294654, positive unconditional: 0, negative: 3075578, negative conditional: 599970, negative unconditional: 2475608, unknown: 1438, unknown conditional: 1438, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2064, Positive cache size: 1588, Positive conditional cache size: 1041, Positive unconditional cache size: 547, Negative cache size: 476, Negative conditional cache size: 397, Negative unconditional cache size: 79, Eliminated conditions: 2475608, SemanticConditionEliminator.Independence Queries: [ total: 4371670, positive: 1295695, positive conditional: 1295695, positive unconditional: 0, negative: 3075975, negative conditional: 600367, negative unconditional: 2475608, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4371670, positive: 1295695, positive conditional: 1295695, positive unconditional: 0, negative: 3075975, negative conditional: 600367, negative unconditional: 2475608, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1597, positive: 1121, positive conditional: 1041, positive unconditional: 80, negative: 476, negative conditional: 397, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2310, positive: 1671, positive conditional: 1474, positive unconditional: 197, negative: 639, negative conditional: 496, negative unconditional: 143, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4371670, positive: 1294654, positive conditional: 1294654, positive unconditional: 0, negative: 3075578, negative conditional: 599970, negative unconditional: 2475608, unknown: 1438, unknown conditional: 1438, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2064, Positive cache size: 1588, Positive conditional cache size: 1041, Positive unconditional cache size: 547, Negative cache size: 476, Negative conditional cache size: 397, Negative unconditional cache size: 79, Eliminated conditions: 2475608, SemanticConditionEliminator.Independence Queries: [ total: 4371670, positive: 1295695, positive conditional: 1295695, positive unconditional: 0, negative: 3075975, negative conditional: 600367, negative unconditional: 2475608, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4371670, positive: 1295695, positive conditional: 1295695, positive unconditional: 0, negative: 3075975, negative conditional: 600367, negative unconditional: 2475608, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1597, positive: 1121, positive conditional: 1041, positive unconditional: 80, negative: 476, negative conditional: 397, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2310, positive: 1671, positive conditional: 1474, positive unconditional: 197, negative: 639, negative conditional: 496, negative unconditional: 143, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4371670, positive: 1294654, positive conditional: 1294654, positive unconditional: 0, negative: 3075578, negative conditional: 599970, negative unconditional: 2475608, unknown: 1438, unknown conditional: 1438, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2064, Positive cache size: 1588, Positive conditional cache size: 1041, Positive unconditional cache size: 547, Negative cache size: 476, Negative conditional cache size: 397, Negative unconditional cache size: 79, Eliminated conditions: 2475608, SemanticConditionEliminator.Independence Queries: [ total: 4371670, positive: 1295695, positive conditional: 1295695, positive unconditional: 0, negative: 3075975, negative conditional: 600367, negative unconditional: 2475608, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4371670, positive: 1295695, positive conditional: 1295695, positive unconditional: 0, negative: 3075975, negative conditional: 600367, negative unconditional: 2475608, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1597, positive: 1121, positive conditional: 1041, positive unconditional: 80, negative: 476, negative conditional: 397, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2310, positive: 1671, positive conditional: 1474, positive unconditional: 197, negative: 639, negative conditional: 496, negative unconditional: 143, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4371670, positive: 1294654, positive conditional: 1294654, positive unconditional: 0, negative: 3075578, negative conditional: 599970, negative unconditional: 2475608, unknown: 1438, unknown conditional: 1438, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2064, Positive cache size: 1588, Positive conditional cache size: 1041, Positive unconditional cache size: 547, Negative cache size: 476, Negative conditional cache size: 397, Negative unconditional cache size: 79, Eliminated conditions: 2475608, SemanticConditionEliminator.Independence Queries: [ total: 4371670, positive: 1295695, positive conditional: 1295695, positive unconditional: 0, negative: 3075975, negative conditional: 600367, negative unconditional: 2475608, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4371670, positive: 1295695, positive conditional: 1295695, positive unconditional: 0, negative: 3075975, negative conditional: 600367, negative unconditional: 2475608, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1597, positive: 1121, positive conditional: 1041, positive unconditional: 80, negative: 476, negative conditional: 397, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2310, positive: 1671, positive conditional: 1474, positive unconditional: 197, negative: 639, negative conditional: 496, negative unconditional: 143, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4371670, positive: 1294654, positive conditional: 1294654, positive unconditional: 0, negative: 3075578, negative conditional: 599970, negative unconditional: 2475608, unknown: 1438, unknown conditional: 1438, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2064, Positive cache size: 1588, Positive conditional cache size: 1041, Positive unconditional cache size: 547, Negative cache size: 476, Negative conditional cache size: 397, Negative unconditional cache size: 79, Eliminated conditions: 2475608, SemanticConditionEliminator.Independence Queries: [ total: 4371670, positive: 1295695, positive conditional: 1295695, positive unconditional: 0, negative: 3075975, negative conditional: 600367, negative unconditional: 2475608, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4371670, positive: 1295695, positive conditional: 1295695, positive unconditional: 0, negative: 3075975, negative conditional: 600367, negative unconditional: 2475608, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1597, positive: 1121, positive conditional: 1041, positive unconditional: 80, negative: 476, negative conditional: 397, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2310, positive: 1671, positive conditional: 1474, positive unconditional: 197, negative: 639, negative conditional: 496, negative unconditional: 143, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4371670, positive: 1294654, positive conditional: 1294654, positive unconditional: 0, negative: 3075578, negative conditional: 599970, negative unconditional: 2475608, unknown: 1438, unknown conditional: 1438, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2064, Positive cache size: 1588, Positive conditional cache size: 1041, Positive unconditional cache size: 547, Negative cache size: 476, Negative conditional cache size: 397, Negative unconditional cache size: 79, Eliminated conditions: 2475608 ], Maximal queried relation: 7, Independence queries for same thread: 337973 - PositiveResult [Line: 39]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 11 procedures, 60 locations, 9 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3203.6ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 17.4ms, PartialOrderReductionTime: 3135.8ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: DeviceThreadWithAssertThread1of1ForFork1 with 1 thread instances CFG has 11 procedures, 60 locations, 9 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 35057.8ms, OverallIterations: 7, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.4ms, PartialOrderReductionTime: 32471.6ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 56, 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: 55.3ms SsaConstructionTime, 199.8ms SatisfiabilityAnalysisTime, 1417.0ms InterpolantComputationTime, 416 NumberOfCodeBlocks, 416 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 406 ConstructedInterpolants, 0 QuantifiedInterpolants, 2173 SizeOfPredicates, 3 NumberOfNonLiveVariables, 405 ConjunctsInSsa, 262 ConjunctsInUnsatCore, 10 InterpolantComputations, 4 PerfectInterpolantSequences, 279/472 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...