/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-FA-NoLbe-Delay.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct03.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-1c3aa5735269c4be989a50fc1da9ea7b9492ef29-1c3aa57 [2021-07-01 10:04:07,662 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-01 10:04:07,663 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-01 10:04:07,681 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-01 10:04:07,681 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-01 10:04:07,682 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-01 10:04:07,683 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-01 10:04:07,684 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-01 10:04:07,685 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-01 10:04:07,686 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-01 10:04:07,686 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-01 10:04:07,687 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-01 10:04:07,687 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-01 10:04:07,688 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-01 10:04:07,688 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-01 10:04:07,689 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-01 10:04:07,689 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-01 10:04:07,690 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-01 10:04:07,691 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-01 10:04:07,692 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-01 10:04:07,693 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-01 10:04:07,693 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-01 10:04:07,694 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-01 10:04:07,695 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-01 10:04:07,696 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-07-01 10:04:07,703 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-FA-NoLbe-Delay.epf [2021-07-01 10:04:07,742 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-01 10:04:07,742 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-01 10:04:07,743 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-01 10:04:07,743 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-01 10:04:07,743 INFO L138 SettingsManager]: * Use SBE=true [2021-07-01 10:04:07,743 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-01 10:04:07,744 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-01 10:04:07,744 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-01 10:04:07,744 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-01 10:04:07,744 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-01 10:04:07,744 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-01 10:04:07,744 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-01 10:04:07,744 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-01 10:04:07,744 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-01 10:04:07,745 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-01 10:04:07,745 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-01 10:04:07,745 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-01 10:04:07,745 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-01 10:04:07,745 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-01 10:04:07,745 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-01 10:04:07,745 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-01 10:04:07,746 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-01 10:04:07,746 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-01 10:04:07,746 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-01 10:04:07,746 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-01 10:04:07,746 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-01 10:04:07,746 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-01 10:04:07,746 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-01 10:04:07,747 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-01 10:04:07,758 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-07-01 10:04:07,758 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-01 10:04:07,989 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-01 10:04:08,006 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-01 10:04:08,008 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-01 10:04:08,010 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-01 10:04:08,010 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-01 10:04:08,011 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct03.bpl [2021-07-01 10:04:08,012 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct03.bpl' [2021-07-01 10:04:08,029 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-01 10:04:08,030 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-01 10:04:08,031 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-01 10:04:08,031 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-01 10:04:08,031 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-01 10:04:08,046 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth-correct03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:04:08" (1/1) ... [2021-07-01 10:04:08,052 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth-correct03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:04:08" (1/1) ... [2021-07-01 10:04:08,065 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-01 10:04:08,067 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-01 10:04:08,067 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-01 10:04:08,067 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-01 10:04:08,073 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth-correct03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:04:08" (1/1) ... [2021-07-01 10:04:08,073 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth-correct03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:04:08" (1/1) ... [2021-07-01 10:04:08,074 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth-correct03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:04:08" (1/1) ... [2021-07-01 10:04:08,074 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth-correct03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:04:08" (1/1) ... [2021-07-01 10:04:08,076 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth-correct03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:04:08" (1/1) ... [2021-07-01 10:04:08,078 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth-correct03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:04:08" (1/1) ... [2021-07-01 10:04:08,079 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth-correct03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:04:08" (1/1) ... [2021-07-01 10:04:08,080 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-01 10:04:08,082 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-01 10:04:08,082 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-01 10:04:08,082 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-01 10:04:08,083 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-correct03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:04:08" (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 10:04:08,150 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThreadWithAssert given in one single declaration [2021-07-01 10:04:08,151 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThreadWithAssert [2021-07-01 10:04:08,152 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThreadWithAssert [2021-07-01 10:04:08,152 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration [2021-07-01 10:04:08,152 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThread [2021-07-01 10:04:08,152 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThread [2021-07-01 10:04:08,152 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration [2021-07-01 10:04:08,152 INFO L130 BoogieDeclarations]: Found specification of procedure ServerThread [2021-07-01 10:04:08,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ServerThread [2021-07-01 10:04:08,152 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-01 10:04:08,153 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-01 10:04:08,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-01 10:04:08,153 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-01 10:04:08,394 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-01 10:04:08,394 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-07-01 10:04:08,394 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadWithAssertEXIT is neither atomic block end nor error location. [2021-07-01 10:04:08,395 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadEXIT is neither atomic block end nor error location. [2021-07-01 10:04:08,399 INFO L202 PluginConnector]: Adding new model bluetooth-correct03.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 10:04:08 BoogieIcfgContainer [2021-07-01 10:04:08,399 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-01 10:04:08,401 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-01 10:04:08,401 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-01 10:04:08,403 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-01 10:04:08,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-correct03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:04:08" (1/2) ... [2021-07-01 10:04:08,403 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5abe1262 and model type bluetooth-correct03.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 10:04:08, skipping insertion in model container [2021-07-01 10:04:08,404 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-correct03.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 10:04:08" (2/2) ... [2021-07-01 10:04:08,405 INFO L111 eAbstractionObserver]: Analyzing ICFG bluetooth-correct03.bpl [2021-07-01 10:04:08,423 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-01 10:04:08,423 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-01 10:04:08,424 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-01 10:04:08,424 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-01 10:04:08,447 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-01 10:04:08,461 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-07-01 10:04:08,474 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-01 10:04:08,474 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-01 10:04:08,474 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-01 10:04:08,475 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-01 10:04:08,475 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-01 10:04:08,475 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-01 10:04:08,475 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-01 10:04:08,475 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-01 10:04:08,684 INFO L276 IsEmpty]: Start isEmpty. Operand has 131 states, 110 states have (on average 1.6454545454545455) internal successors, (181), 130 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-01 10:04:08,689 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-01 10:04:08,689 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (1/2) [2021-07-01 10:04:08,690 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-01 10:04:08,692 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-01 10:04:08,692 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-01 10:04:08,692 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-01 10:04:08,706 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-01 10:04:08,706 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-01 10:04:08,706 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-01 10:04:08,706 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-01 10:04:08,706 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == DeviceThreadWithAssertThread1of1ForFork1======== [2021-07-01 10:04:08,889 INFO L276 IsEmpty]: Start isEmpty. Operand has 539 states, 495 states have (on average 3.6464646464646466) internal successors, (1805), 538 states have internal predecessors, (1805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-01 10:04:08,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-07-01 10:04:08,890 INFO L496 BasicCegarLoop]: Found error trace [2021-07-01 10:04:08,890 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-07-01 10:04:08,891 INFO L430 AbstractCegarLoop]: === Iteration 1 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 10:04:08,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 10:04:08,895 INFO L82 PathProgramCache]: Analyzing trace with hash -1868001698, now seen corresponding path program 1 times [2021-07-01 10:04:08,901 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 10:04:08,902 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374489384] [2021-07-01 10:04:08,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 10:04:08,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 10:04:08,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-01 10:04:08,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-01 10:04:08,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-01 10:04:08,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2 [2021-07-01 10:04:08,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-01 10:04:08,990 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 10:04:08,991 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374489384] [2021-07-01 10:04:08,991 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [374489384] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 10:04:08,991 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 10:04:08,992 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-01 10:04:08,992 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586333039] [2021-07-01 10:04:08,994 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-01 10:04:08,994 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 10:04:09,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-01 10:04:09,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-01 10:04:09,005 INFO L87 Difference]: Start difference. First operand has 539 states, 495 states have (on average 3.6464646464646466) internal successors, (1805), 538 states have internal predecessors, (1805), 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) Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-01 10:04:09,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-01 10:04:09,031 INFO L93 Difference]: Finished difference Result 583 states and 1888 transitions. [2021-07-01 10:04:09,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:04:09,032 INFO L78 Accepts]: Start accepts. 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) Word has length 8 [2021-07-01 10:04:09,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-01 10:04:09,043 INFO L225 Difference]: With dead ends: 583 [2021-07-01 10:04:09,043 INFO L226 Difference]: Without dead ends: 397 [2021-07-01 10:04:09,044 INFO L760 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-01 10:04:09,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2021-07-01 10:04:09,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 397. [2021-07-01 10:04:09,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 397 states, 391 states have (on average 3.498721227621483) internal successors, (1368), 396 states have internal predecessors, (1368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-01 10:04:09,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 1368 transitions. [2021-07-01 10:04:09,097 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 1368 transitions. Word has length 8 [2021-07-01 10:04:09,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-01 10:04:09,097 INFO L482 AbstractCegarLoop]: Abstraction has 397 states and 1368 transitions. [2021-07-01 10:04:09,097 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-01 10:04:09,098 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 1368 transitions. [2021-07-01 10:04:09,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-07-01 10:04:09,099 INFO L496 BasicCegarLoop]: Found error trace [2021-07-01 10:04:09,099 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-01 10:04:09,099 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-01 10:04:09,099 INFO L430 AbstractCegarLoop]: === Iteration 2 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 10:04:09,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 10:04:09,100 INFO L82 PathProgramCache]: Analyzing trace with hash 1060968860, now seen corresponding path program 1 times [2021-07-01 10:04:09,100 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 10:04:09,100 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147139851] [2021-07-01 10:04:09,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 10:04:09,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 10:04:09,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-01 10:04:09,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-01 10:04:09,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-01 10:04:09,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-01 10:04:09,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-01 10:04:09,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-01 10:04:09,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-01 10:04:09,114 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 10:04:09,115 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147139851] [2021-07-01 10:04:09,115 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147139851] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 10:04:09,115 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 10:04:09,115 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-01 10:04:09,115 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906562110] [2021-07-01 10:04:09,116 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-01 10:04:09,116 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 10:04:09,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-01 10:04:09,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-01 10:04:09,117 INFO L87 Difference]: Start difference. First operand 397 states and 1368 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-01 10:04:09,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-01 10:04:09,127 INFO L93 Difference]: Finished difference Result 397 states and 1093 transitions. [2021-07-01 10:04:09,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:04:09,127 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) Word has length 12 [2021-07-01 10:04:09,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-01 10:04:09,129 INFO L225 Difference]: With dead ends: 397 [2021-07-01 10:04:09,129 INFO L226 Difference]: Without dead ends: 204 [2021-07-01 10:04:09,129 INFO L760 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-01 10:04:09,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2021-07-01 10:04:09,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 204. [2021-07-01 10:04:09,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 198 states have (on average 2.595959595959596) internal successors, (514), 203 states have internal predecessors, (514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-01 10:04:09,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 514 transitions. [2021-07-01 10:04:09,137 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 514 transitions. Word has length 12 [2021-07-01 10:04:09,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-01 10:04:09,137 INFO L482 AbstractCegarLoop]: Abstraction has 204 states and 514 transitions. [2021-07-01 10:04:09,137 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-01 10:04:09,137 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 514 transitions. [2021-07-01 10:04:09,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-07-01 10:04:09,138 INFO L496 BasicCegarLoop]: Found error trace [2021-07-01 10:04:09,138 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-01 10:04:09,138 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-01 10:04:09,138 INFO L430 AbstractCegarLoop]: === Iteration 3 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 10:04:09,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 10:04:09,139 INFO L82 PathProgramCache]: Analyzing trace with hash -745768932, now seen corresponding path program 2 times [2021-07-01 10:04:09,139 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 10:04:09,139 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224460451] [2021-07-01 10:04:09,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 10:04:09,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 10:04:09,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-01 10:04:09,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-01 10:04:09,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-01 10:04:09,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-07-01 10:04:09,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-01 10:04:09,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-07-01 10:04:09,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-01 10:04:09,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2 [2021-07-01 10:04:09,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-01 10:04:09,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-01 10:04:09,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-01 10:04:09,216 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 10:04:09,216 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224460451] [2021-07-01 10:04:09,217 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224460451] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 10:04:09,217 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 10:04:09,217 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-01 10:04:09,217 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038340794] [2021-07-01 10:04:09,217 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-01 10:04:09,218 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 10:04:09,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-01 10:04:09,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-07-01 10:04:09,219 INFO L87 Difference]: Start difference. First operand 204 states and 514 transitions. Second operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-01 10:04:09,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-01 10:04:09,298 INFO L93 Difference]: Finished difference Result 341 states and 902 transitions. [2021-07-01 10:04:09,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:04:09,300 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 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) Word has length 12 [2021-07-01 10:04:09,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-01 10:04:09,302 INFO L225 Difference]: With dead ends: 341 [2021-07-01 10:04:09,302 INFO L226 Difference]: Without dead ends: 319 [2021-07-01 10:04:09,302 INFO L760 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 29.6ms TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-07-01 10:04:09,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2021-07-01 10:04:09,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 295. [2021-07-01 10:04:09,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 289 states have (on average 2.795847750865052) internal successors, (808), 294 states have internal predecessors, (808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-01 10:04:09,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 808 transitions. [2021-07-01 10:04:09,312 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 808 transitions. Word has length 12 [2021-07-01 10:04:09,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-01 10:04:09,312 INFO L482 AbstractCegarLoop]: Abstraction has 295 states and 808 transitions. [2021-07-01 10:04:09,312 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-01 10:04:09,312 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 808 transitions. [2021-07-01 10:04:09,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-07-01 10:04:09,313 INFO L496 BasicCegarLoop]: Found error trace [2021-07-01 10:04:09,313 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-01 10:04:09,313 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-01 10:04:09,314 INFO L430 AbstractCegarLoop]: === Iteration 4 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 10:04:09,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 10:04:09,314 INFO L82 PathProgramCache]: Analyzing trace with hash -292397881, now seen corresponding path program 1 times [2021-07-01 10:04:09,314 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 10:04:09,314 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097716510] [2021-07-01 10:04:09,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 10:04:09,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 10:04:09,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-01 10:04:09,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-01 10:04:09,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-01 10:04:09,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-07-01 10:04:09,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-01 10:04:09,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-07-01 10:04:09,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-01 10:04:09,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-07-01 10:04:09,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-01 10:04:09,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-07-01 10:04:09,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-01 10:04:09,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2 [2021-07-01 10:04:09,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-01 10:04:09,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-01 10:04:09,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-01 10:04:09,373 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 10:04:09,373 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097716510] [2021-07-01 10:04:09,373 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097716510] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 10:04:09,373 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 10:04:09,373 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-01 10:04:09,374 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366576107] [2021-07-01 10:04:09,374 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-01 10:04:09,374 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 10:04:09,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-01 10:04:09,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2021-07-01 10:04:09,375 INFO L87 Difference]: Start difference. First operand 295 states and 808 transitions. Second operand has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-01 10:04:09,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-01 10:04:09,425 INFO L93 Difference]: Finished difference Result 408 states and 1118 transitions. [2021-07-01 10:04:09,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-01 10:04:09,426 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 6 states have internal predecessors, (15), 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) Word has length 15 [2021-07-01 10:04:09,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-01 10:04:09,427 INFO L225 Difference]: With dead ends: 408 [2021-07-01 10:04:09,427 INFO L226 Difference]: Without dead ends: 310 [2021-07-01 10:04:09,428 INFO L760 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 23.0ms TimeCoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2021-07-01 10:04:09,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2021-07-01 10:04:09,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 247. [2021-07-01 10:04:09,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 241 states have (on average 2.7468879668049793) internal successors, (662), 246 states have internal predecessors, (662), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-01 10:04:09,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 662 transitions. [2021-07-01 10:04:09,434 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 662 transitions. Word has length 15 [2021-07-01 10:04:09,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-01 10:04:09,434 INFO L482 AbstractCegarLoop]: Abstraction has 247 states and 662 transitions. [2021-07-01 10:04:09,435 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-01 10:04:09,435 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 662 transitions. [2021-07-01 10:04:09,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-07-01 10:04:09,435 INFO L496 BasicCegarLoop]: Found error trace [2021-07-01 10:04:09,435 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-01 10:04:09,436 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-07-01 10:04:09,436 INFO L430 AbstractCegarLoop]: === Iteration 5 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 10:04:09,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 10:04:09,436 INFO L82 PathProgramCache]: Analyzing trace with hash 647772506, now seen corresponding path program 1 times [2021-07-01 10:04:09,436 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 10:04:09,436 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128810128] [2021-07-01 10:04:09,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 10:04:09,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 10:04:09,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-01 10:04:09,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-01 10:04:09,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-01 10:04:09,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-07-01 10:04:09,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-01 10:04:09,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-07-01 10:04:09,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-01 10:04:09,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-07-01 10:04:09,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-01 10:04:09,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-07-01 10:04:09,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-01 10:04:09,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-07-01 10:04:09,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-01 10:04:09,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-07-01 10:04:09,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-01 10:04:09,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2 [2021-07-01 10:04:09,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-01 10:04:09,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-01 10:04:09,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-01 10:04:09,533 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 10:04:09,534 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128810128] [2021-07-01 10:04:09,536 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128810128] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 10:04:09,536 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 10:04:09,536 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-07-01 10:04:09,536 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323180963] [2021-07-01 10:04:09,540 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-01 10:04:09,540 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 10:04:09,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-01 10:04:09,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2021-07-01 10:04:09,541 INFO L87 Difference]: Start difference. First operand 247 states and 662 transitions. Second operand has 8 states, 8 states have (on average 2.25) internal successors, (18), 7 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 10:04:09,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-01 10:04:09,603 INFO L93 Difference]: Finished difference Result 163 states and 457 transitions. [2021-07-01 10:04:09,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-01 10:04:09,604 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 7 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) Word has length 18 [2021-07-01 10:04:09,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-01 10:04:09,604 INFO L225 Difference]: With dead ends: 163 [2021-07-01 10:04:09,604 INFO L226 Difference]: Without dead ends: 0 [2021-07-01 10:04:09,605 INFO L760 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 33.4ms TimeCoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2021-07-01 10:04:09,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-07-01 10:04:09,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-07-01 10:04:09,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-01 10:04:09,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-07-01 10:04:09,606 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2021-07-01 10:04:09,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-01 10:04:09,606 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-01 10:04:09,606 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 7 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 10:04:09,607 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-07-01 10:04:09,607 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-01 10:04:09,607 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-07-01 10:04:09,607 INFO L301 ceAbstractionStarter]: Result for error location DeviceThreadWithAssertThread1of1ForFork1 was SAFE (2/2) [2021-07-01 10:04:09,607 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-01 10:04:09,609 INFO L202 PluginConnector]: Adding new model bluetooth-correct03.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 10:04:09 BasicIcfg [2021-07-01 10:04:09,609 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-01 10:04:09,611 INFO L168 Benchmark]: Toolchain (without parser) took 1579.51 ms. Allocated memory was 200.3 MB in the beginning and 263.2 MB in the end (delta: 62.9 MB). Free memory was 181.3 MB in the beginning and 189.8 MB in the end (delta: -8.5 MB). Peak memory consumption was 52.9 MB. Max. memory is 8.0 GB. [2021-07-01 10:04:09,612 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.39 ms. Allocated memory is still 200.3 MB. Free memory is still 182.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-01 10:04:09,612 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.84 ms. Allocated memory is still 200.3 MB. Free memory was 181.3 MB in the beginning and 179.3 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-01 10:04:09,612 INFO L168 Benchmark]: Boogie Preprocessor took 12.67 ms. Allocated memory is still 200.3 MB. Free memory was 179.3 MB in the beginning and 178.5 MB in the end (delta: 819.8 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-01 10:04:09,614 INFO L168 Benchmark]: RCFGBuilder took 317.59 ms. Allocated memory is still 200.3 MB. Free memory was 178.3 MB in the beginning and 163.4 MB in the end (delta: 14.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-07-01 10:04:09,615 INFO L168 Benchmark]: TraceAbstraction took 1208.51 ms. Allocated memory was 200.3 MB in the beginning and 263.2 MB in the end (delta: 62.9 MB). Free memory was 163.0 MB in the beginning and 189.8 MB in the end (delta: -26.8 MB). Peak memory consumption was 35.1 MB. Max. memory is 8.0 GB. [2021-07-01 10:04:09,617 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 0.39 ms. Allocated memory is still 200.3 MB. Free memory is still 182.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 34.84 ms. Allocated memory is still 200.3 MB. Free memory was 181.3 MB in the beginning and 179.3 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 12.67 ms. Allocated memory is still 200.3 MB. Free memory was 179.3 MB in the beginning and 178.5 MB in the end (delta: 819.8 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 317.59 ms. Allocated memory is still 200.3 MB. Free memory was 178.3 MB in the beginning and 163.4 MB in the end (delta: 14.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1208.51 ms. Allocated memory was 200.3 MB in the beginning and 263.2 MB in the end (delta: 62.9 MB). Free memory was 163.0 MB in the beginning and 189.8 MB in the end (delta: -26.8 MB). Peak memory consumption was 35.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 277, positive: 232, positive conditional: 232, positive unconditional: 0, negative: 45, negative conditional: 45, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 249, positive: 232, positive conditional: 0, positive unconditional: 232, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 74, positive: 68, positive conditional: 0, positive unconditional: 68, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 74, positive: 59, positive conditional: 0, positive unconditional: 59, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 15, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 90, positive: 66, positive conditional: 0, positive unconditional: 66, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 249, positive: 164, positive conditional: 0, positive unconditional: 164, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 74, unknown conditional: 0, unknown unconditional: 74] , Statistics on independence cache: Total cache size (in pairs): 74, Positive cache size: 68, Positive conditional cache size: 0, Positive unconditional cache size: 68, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Independence queries for same thread: 28 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3766, positive: 3037, positive conditional: 3037, positive unconditional: 0, negative: 729, negative conditional: 729, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3390, positive: 3037, positive conditional: 0, positive unconditional: 3037, negative: 353, negative conditional: 0, negative unconditional: 353, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 178, positive: 157, positive conditional: 0, positive unconditional: 157, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 178, positive: 140, positive conditional: 0, positive unconditional: 140, negative: 38, negative conditional: 0, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 38, positive: 17, positive conditional: 0, positive unconditional: 17, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 91, positive: 42, positive conditional: 0, positive unconditional: 42, negative: 49, negative conditional: 0, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3390, positive: 2880, positive conditional: 0, positive unconditional: 2880, negative: 332, negative conditional: 0, negative unconditional: 332, unknown: 178, unknown conditional: 0, unknown unconditional: 178] , Statistics on independence cache: Total cache size (in pairs): 178, Positive cache size: 157, Positive conditional cache size: 0, Positive unconditional cache size: 157, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21, Independence queries for same thread: 376 - PositiveResult [Line: 36]: 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 8 procedures, 45 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 217.4ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 6.8ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 206.8ms, PartialOrderReductionTime: 197.7ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=131occurred 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 8 procedures, 45 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 914.8ms, OverallIterations: 5, TraceHistogramMax: 1, EmptinessCheckTime: 8.3ms, AutomataDifference: 265.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 178.7ms, PartialOrderReductionTime: 177.7ms, HoareTripleCheckerStatistics: 124 SDtfs, 147 SDslu, 145 SDs, 0 SdLazy, 133 SolverSat, 74 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 123.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 95.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=539occurred in iteration=0, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 68.5ms AutomataMinimizationTime, 5 MinimizatonAttempts, 87 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 6.9ms SsaConstructionTime, 26.7ms SatisfiabilityAnalysisTime, 242.6ms InterpolantComputationTime, 65 NumberOfCodeBlocks, 65 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 60 ConstructedInterpolants, 0 QuantifiedInterpolants, 216 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 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...