/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-Symm.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-serverassert06.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-1c3aa5735269c4be989a50fc1da9ea7b9492ef29-1c3aa57 [2021-07-01 11:01:04,677 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-01 11:01:04,678 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-01 11:01:04,705 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-01 11:01:04,706 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-01 11:01:04,707 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-01 11:01:04,707 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-01 11:01:04,709 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-01 11:01:04,710 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-01 11:01:04,711 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-01 11:01:04,711 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-01 11:01:04,712 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-01 11:01:04,712 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-01 11:01:04,713 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-01 11:01:04,714 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-01 11:01:04,714 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-01 11:01:04,715 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-01 11:01:04,715 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-01 11:01:04,717 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-01 11:01:04,718 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-01 11:01:04,720 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-01 11:01:04,729 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-01 11:01:04,731 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-01 11:01:04,733 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-01 11:01:04,735 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-07-01 11:01:04,748 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-Symm.epf [2021-07-01 11:01:04,770 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-01 11:01:04,770 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-01 11:01:04,771 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-01 11:01:04,771 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-01 11:01:04,771 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-01 11:01:04,772 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-01 11:01:04,772 INFO L138 SettingsManager]: * Use SBE=true [2021-07-01 11:01:04,772 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-01 11:01:04,772 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-01 11:01:04,772 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-01 11:01:04,772 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-01 11:01:04,772 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-01 11:01:04,772 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-01 11:01:04,772 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-01 11:01:04,772 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-01 11:01:04,773 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-01 11:01:04,773 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-01 11:01:04,773 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-01 11:01:04,773 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-01 11:01:04,773 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-01 11:01:04,773 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-01 11:01:04,773 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-01 11:01:04,773 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-01 11:01:04,773 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-01 11:01:04,774 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-01 11:01:04,774 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-01 11:01:04,774 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-01 11:01:04,774 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-01 11:01:04,774 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-01 11:01:04,774 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-01 11:01:04,774 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-01 11:01:04,774 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-01 11:01:04,774 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-07-01 11:01:04,774 INFO L138 SettingsManager]: * Limit POR to symmetric independence in concurrent analysis=true [2021-07-01 11:01:04,775 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-01 11:01:05,030 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-01 11:01:05,047 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-01 11:01:05,049 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-01 11:01:05,050 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-01 11:01:05,051 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-01 11:01:05,051 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-serverassert06.bpl [2021-07-01 11:01:05,052 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-serverassert06.bpl' [2021-07-01 11:01:05,067 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-01 11:01:05,068 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-01 11:01:05,069 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-01 11:01:05,069 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-01 11:01:05,069 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-01 11:01:05,078 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth-serverassert06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:01:05" (1/1) ... [2021-07-01 11:01:05,083 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth-serverassert06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:01:05" (1/1) ... [2021-07-01 11:01:05,095 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-01 11:01:05,096 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-01 11:01:05,096 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-01 11:01:05,096 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-01 11:01:05,101 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth-serverassert06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:01:05" (1/1) ... [2021-07-01 11:01:05,101 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth-serverassert06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:01:05" (1/1) ... [2021-07-01 11:01:05,102 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth-serverassert06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:01:05" (1/1) ... [2021-07-01 11:01:05,102 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth-serverassert06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:01:05" (1/1) ... [2021-07-01 11:01:05,103 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth-serverassert06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:01:05" (1/1) ... [2021-07-01 11:01:05,104 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth-serverassert06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:01:05" (1/1) ... [2021-07-01 11:01:05,105 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth-serverassert06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:01:05" (1/1) ... [2021-07-01 11:01:05,105 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-01 11:01:05,106 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-01 11:01:05,106 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-01 11:01:05,106 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-01 11:01:05,113 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-serverassert06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:01:05" (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 11:01:05,161 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration [2021-07-01 11:01:05,162 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThread [2021-07-01 11:01:05,162 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThread [2021-07-01 11:01:05,162 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration [2021-07-01 11:01:05,162 INFO L130 BoogieDeclarations]: Found specification of procedure ServerThread [2021-07-01 11:01:05,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ServerThread [2021-07-01 11:01:05,162 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-01 11:01:05,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-01 11:01:05,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-01 11:01:05,163 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 11:01:05,301 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-01 11:01:05,301 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-07-01 11:01:05,302 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadEXIT is neither atomic block end nor error location. [2021-07-01 11:01:05,303 INFO L202 PluginConnector]: Adding new model bluetooth-serverassert06.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 11:01:05 BoogieIcfgContainer [2021-07-01 11:01:05,303 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-01 11:01:05,304 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-01 11:01:05,304 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-01 11:01:05,306 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-01 11:01:05,306 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-serverassert06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:01:05" (1/2) ... [2021-07-01 11:01:05,307 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74e16c71 and model type bluetooth-serverassert06.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 11:01:05, skipping insertion in model container [2021-07-01 11:01:05,307 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-serverassert06.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 11:01:05" (2/2) ... [2021-07-01 11:01:05,308 INFO L111 eAbstractionObserver]: Analyzing ICFG bluetooth-serverassert06.bpl [2021-07-01 11:01:05,312 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-01 11:01:05,312 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-01 11:01:05,312 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-01 11:01:05,312 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-01 11:01:05,354 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-01 11:01:05,370 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 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 11:01:05,429 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-01 11:01:05,429 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-01 11:01:05,429 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-01 11:01:05,429 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-01 11:01:05,430 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-01 11:01:05,430 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-01 11:01:05,430 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-01 11:01:05,430 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ServerThreadThread1of1ForFork0======== [2021-07-01 11:01:05,478 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:01:05,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:01:05,486 INFO L82 PathProgramCache]: Analyzing trace with hash 1874355411, now seen corresponding path program 1 times [2021-07-01 11:01:05,492 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:01:05,492 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235298695] [2021-07-01 11:01:05,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:01:05,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:01:05,647 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 11:01:05,647 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:01:05,647 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235298695] [2021-07-01 11:01:05,648 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235298695] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 11:01:05,648 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 11:01:05,648 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-01 11:01:05,649 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717574944] [2021-07-01 11:01:05,659 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-01 11:01:05,660 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:01:05,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-01 11:01:05,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-07-01 11:01:05,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:01:05,678 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:01:05,685 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 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 11:01:05,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:01:05,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:01:05,778 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-01 11:01:05,778 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:01:05,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:01:05,779 INFO L82 PathProgramCache]: Analyzing trace with hash 1383699331, now seen corresponding path program 1 times [2021-07-01 11:01:05,779 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:01:05,779 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864462653] [2021-07-01 11:01:05,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:01:05,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:01:05,798 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 11:01:05,798 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:01:05,798 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864462653] [2021-07-01 11:01:05,799 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864462653] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 11:01:05,799 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 11:01:05,799 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-01 11:01:05,799 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076674818] [2021-07-01 11:01:05,800 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-01 11:01:05,800 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:01:05,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-01 11:01:05,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-01 11:01:05,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:01:05,801 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:01:05,801 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-01 11:01:05,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:01:05,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:01:06,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:01:06,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:01:06,172 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-01 11:01:06,172 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:01:06,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:01:06,172 INFO L82 PathProgramCache]: Analyzing trace with hash -1067509613, now seen corresponding path program 1 times [2021-07-01 11:01:06,173 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:01:06,174 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032079080] [2021-07-01 11:01:06,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:01:06,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:01:06,237 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 11:01:06,237 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:01:06,238 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032079080] [2021-07-01 11:01:06,238 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032079080] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 11:01:06,238 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 11:01:06,238 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-01 11:01:06,238 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005676395] [2021-07-01 11:01:06,238 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-01 11:01:06,239 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:01:06,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-01 11:01:06,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-07-01 11:01:06,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:01:06,239 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:01:06,239 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 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 11:01:06,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:01:06,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:01:06,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:01:06,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:01:06,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:01:06,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:01:06,337 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-01 11:01:06,337 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:01:06,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:01:06,339 INFO L82 PathProgramCache]: Analyzing trace with hash -1068046223, now seen corresponding path program 2 times [2021-07-01 11:01:06,339 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:01:06,339 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530769558] [2021-07-01 11:01:06,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:01:06,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:01:06,397 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 11:01:06,397 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:01:06,398 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530769558] [2021-07-01 11:01:06,398 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530769558] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 11:01:06,398 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 11:01:06,399 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-01 11:01:06,399 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004896605] [2021-07-01 11:01:06,399 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-01 11:01:06,399 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:01:06,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-01 11:01:06,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-07-01 11:01:06,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:01:06,400 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:01:06,400 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 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 11:01:06,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:01:06,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:01:06,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:01:06,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:01:06,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:01:06,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:01:06,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:01:06,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-01 11:01:06,610 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-07-01 11:01:06,610 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:01:06,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:01:06,611 INFO L82 PathProgramCache]: Analyzing trace with hash -155293847, now seen corresponding path program 1 times [2021-07-01 11:01:06,612 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:01:06,612 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568966125] [2021-07-01 11:01:06,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:01:06,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:01:06,696 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-01 11:01:06,696 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:01:06,696 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568966125] [2021-07-01 11:01:06,699 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568966125] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:01:06,699 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1331604152] [2021-07-01 11:01:06,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 11:01:06,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:01:06,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-01 11:01:06,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-01 11:01:06,877 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-01 11:01:06,878 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1331604152] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:01:06,878 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-01 11:01:06,878 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-07-01 11:01:06,878 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5610153] [2021-07-01 11:01:06,878 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-01 11:01:06,878 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:01:06,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-01 11:01:06,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-07-01 11:01:06,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:01:06,879 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:01:06,879 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 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 11:01:06,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:01:06,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:01:06,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:01:06,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-01 11:01:06,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:01:07,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:01:07,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:01:07,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:01:07,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-01 11:01:07,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-01 11:01:07,381 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 11:01:07,383 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:01:07,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:01:07,384 INFO L82 PathProgramCache]: Analyzing trace with hash 1736032331, now seen corresponding path program 1 times [2021-07-01 11:01:07,384 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:01:07,384 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130222164] [2021-07-01 11:01:07,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:01:07,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:01:07,447 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-01 11:01:07,448 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:01:07,448 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130222164] [2021-07-01 11:01:07,448 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130222164] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 11:01:07,448 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 11:01:07,448 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-07-01 11:01:07,448 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778975877] [2021-07-01 11:01:07,448 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-01 11:01:07,448 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:01:07,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-01 11:01:07,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2021-07-01 11:01:07,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:01:07,449 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:01:07,449 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 3.375) internal successors, (27), 7 states have internal predecessors, (27), 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 11:01:07,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:01:07,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:01:07,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:01:07,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-01 11:01:07,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-01 11:01:07,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:01:10,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:01:10,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:01:10,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:01:10,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-01 11:01:10,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-01 11:01:10,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-01 11:01:10,347 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-07-01 11:01:10,351 INFO L301 ceAbstractionStarter]: Result for error location ServerThreadThread1of1ForFork0 was SAFE (1/2) [2021-07-01 11:01:10,352 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 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-01 11:01:10,360 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-01 11:01:10,360 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-01 11:01:10,360 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-01 11:01:10,360 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-01 11:01:10,360 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-01 11:01:10,360 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-01 11:01:10,360 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-01 11:01:10,360 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-01 11:01:11,255 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (2/2) [2021-07-01 11:01:11,256 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-01 11:01:11,258 INFO L202 PluginConnector]: Adding new model bluetooth-serverassert06.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 11:01:11 BasicIcfg [2021-07-01 11:01:11,258 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-01 11:01:11,259 INFO L168 Benchmark]: Toolchain (without parser) took 6191.06 ms. Allocated memory was 200.3 MB in the beginning and 899.7 MB in the end (delta: 699.4 MB). Free memory was 180.9 MB in the beginning and 702.8 MB in the end (delta: -521.9 MB). Peak memory consumption was 406.2 MB. Max. memory is 8.0 GB. [2021-07-01 11:01:11,259 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 200.3 MB. Free memory is still 182.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-01 11:01:11,259 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.88 ms. Allocated memory is still 200.3 MB. Free memory was 180.9 MB in the beginning and 179.1 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-01 11:01:11,259 INFO L168 Benchmark]: Boogie Preprocessor took 9.61 ms. Allocated memory is still 200.3 MB. Free memory was 179.1 MB in the beginning and 178.2 MB in the end (delta: 849.5 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-01 11:01:11,260 INFO L168 Benchmark]: RCFGBuilder took 197.08 ms. Allocated memory is still 200.3 MB. Free memory was 178.2 MB in the beginning and 165.2 MB in the end (delta: 13.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-07-01 11:01:11,260 INFO L168 Benchmark]: TraceAbstraction took 5953.96 ms. Allocated memory was 200.3 MB in the beginning and 899.7 MB in the end (delta: 699.4 MB). Free memory was 164.8 MB in the beginning and 702.8 MB in the end (delta: -538.0 MB). Peak memory consumption was 390.4 MB. Max. memory is 8.0 GB. [2021-07-01 11:01:11,261 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 200.3 MB. Free memory is still 182.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 25.88 ms. Allocated memory is still 200.3 MB. Free memory was 180.9 MB in the beginning and 179.1 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 9.61 ms. Allocated memory is still 200.3 MB. Free memory was 179.1 MB in the beginning and 178.2 MB in the end (delta: 849.5 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 197.08 ms. Allocated memory is still 200.3 MB. Free memory was 178.2 MB in the beginning and 165.2 MB in the end (delta: 13.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 5953.96 ms. Allocated memory was 200.3 MB in the beginning and 899.7 MB in the end (delta: 699.4 MB). Free memory was 164.8 MB in the beginning and 702.8 MB in the end (delta: -538.0 MB). Peak memory consumption was 390.4 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: 272568, positive: 247180, positive conditional: 247180, positive unconditional: 0, negative: 25388, negative conditional: 25388, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 252087, positive: 247180, positive conditional: 247180, positive unconditional: 0, negative: 4907, negative conditional: 4907, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 252087, positive: 203915, positive conditional: 0, positive unconditional: 203915, negative: 48172, negative conditional: 0, negative unconditional: 48172, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 317, positive: 260, positive conditional: 0, positive unconditional: 260, negative: 57, negative conditional: 0, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 317, positive: 224, positive conditional: 0, positive unconditional: 224, negative: 93, negative conditional: 0, negative unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 93, positive: 36, positive conditional: 0, positive unconditional: 36, negative: 57, negative conditional: 0, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 421, positive: 149, positive conditional: 113, positive unconditional: 36, negative: 272, negative conditional: 215, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 729, positive: 384, positive conditional: 220, positive unconditional: 164, negative: 345, negative conditional: 248, negative unconditional: 98, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 252087, positive: 203655, positive conditional: 0, positive unconditional: 203655, negative: 48115, negative conditional: 0, negative unconditional: 48115, unknown: 317, unknown conditional: 0, unknown unconditional: 317] , Statistics on independence cache: Total cache size (in pairs): 645, Positive cache size: 373, Positive conditional cache size: 113, Positive unconditional cache size: 260, Negative cache size: 272, Negative conditional cache size: 215, Negative unconditional cache size: 57, SemanticConditionEliminator.Independence Queries: [ total: 139329, positive: 43265, positive conditional: 43265, positive unconditional: 0, negative: 96064, negative conditional: 48975, negative unconditional: 47089, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 139329, positive: 43265, positive conditional: 43265, positive unconditional: 0, negative: 96064, negative conditional: 48975, negative unconditional: 47089, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 421, positive: 149, positive conditional: 113, positive unconditional: 36, negative: 272, negative conditional: 215, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 729, positive: 384, positive conditional: 220, positive unconditional: 164, negative: 345, negative conditional: 248, negative unconditional: 98, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 139329, positive: 43152, positive conditional: 43152, positive unconditional: 0, negative: 95849, negative conditional: 48760, negative unconditional: 47089, unknown: 328, unknown conditional: 328, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 645, Positive cache size: 373, Positive conditional cache size: 113, Positive unconditional cache size: 260, Negative cache size: 272, Negative conditional cache size: 215, Negative unconditional cache size: 57, Eliminated conditions: 47089, SemanticConditionEliminator.Independence Queries: [ total: 139329, positive: 43265, positive conditional: 43265, positive unconditional: 0, negative: 96064, negative conditional: 48975, negative unconditional: 47089, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 139329, positive: 43265, positive conditional: 43265, positive unconditional: 0, negative: 96064, negative conditional: 48975, negative unconditional: 47089, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 421, positive: 149, positive conditional: 113, positive unconditional: 36, negative: 272, negative conditional: 215, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 729, positive: 384, positive conditional: 220, positive unconditional: 164, negative: 345, negative conditional: 248, negative unconditional: 98, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 139329, positive: 43152, positive conditional: 43152, positive unconditional: 0, negative: 95849, negative conditional: 48760, negative unconditional: 47089, unknown: 328, unknown conditional: 328, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 645, Positive cache size: 373, Positive conditional cache size: 113, Positive unconditional cache size: 260, Negative cache size: 272, Negative conditional cache size: 215, Negative unconditional cache size: 57, Eliminated conditions: 47089, SemanticConditionEliminator.Independence Queries: [ total: 139329, positive: 43265, positive conditional: 43265, positive unconditional: 0, negative: 96064, negative conditional: 48975, negative unconditional: 47089, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 139329, positive: 43265, positive conditional: 43265, positive unconditional: 0, negative: 96064, negative conditional: 48975, negative unconditional: 47089, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 421, positive: 149, positive conditional: 113, positive unconditional: 36, negative: 272, negative conditional: 215, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 729, positive: 384, positive conditional: 220, positive unconditional: 164, negative: 345, negative conditional: 248, negative unconditional: 98, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 139329, positive: 43152, positive conditional: 43152, positive unconditional: 0, negative: 95849, negative conditional: 48760, negative unconditional: 47089, unknown: 328, unknown conditional: 328, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 645, Positive cache size: 373, Positive conditional cache size: 113, Positive unconditional cache size: 260, Negative cache size: 272, Negative conditional cache size: 215, Negative unconditional cache size: 57, Eliminated conditions: 47089, SemanticConditionEliminator.Independence Queries: [ total: 139329, positive: 43265, positive conditional: 43265, positive unconditional: 0, negative: 96064, negative conditional: 48975, negative unconditional: 47089, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 139329, positive: 43265, positive conditional: 43265, positive unconditional: 0, negative: 96064, negative conditional: 48975, negative unconditional: 47089, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 421, positive: 149, positive conditional: 113, positive unconditional: 36, negative: 272, negative conditional: 215, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 729, positive: 384, positive conditional: 220, positive unconditional: 164, negative: 345, negative conditional: 248, negative unconditional: 98, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 139329, positive: 43152, positive conditional: 43152, positive unconditional: 0, negative: 95849, negative conditional: 48760, negative unconditional: 47089, unknown: 328, unknown conditional: 328, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 645, Positive cache size: 373, Positive conditional cache size: 113, Positive unconditional cache size: 260, Negative cache size: 272, Negative conditional cache size: 215, Negative unconditional cache size: 57, Eliminated conditions: 47089, SemanticConditionEliminator.Independence Queries: [ total: 139329, positive: 43265, positive conditional: 43265, positive unconditional: 0, negative: 96064, negative conditional: 48975, negative unconditional: 47089, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 139329, positive: 43265, positive conditional: 43265, positive unconditional: 0, negative: 96064, negative conditional: 48975, negative unconditional: 47089, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 421, positive: 149, positive conditional: 113, positive unconditional: 36, negative: 272, negative conditional: 215, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 729, positive: 384, positive conditional: 220, positive unconditional: 164, negative: 345, negative conditional: 248, negative unconditional: 98, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 139329, positive: 43152, positive conditional: 43152, positive unconditional: 0, negative: 95849, negative conditional: 48760, negative unconditional: 47089, unknown: 328, unknown conditional: 328, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 645, Positive cache size: 373, Positive conditional cache size: 113, Positive unconditional cache size: 260, Negative cache size: 272, Negative conditional cache size: 215, Negative unconditional cache size: 57, Eliminated conditions: 47089, SemanticConditionEliminator.Independence Queries: [ total: 139329, positive: 43265, positive conditional: 43265, positive unconditional: 0, negative: 96064, negative conditional: 48975, negative unconditional: 47089, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 139329, positive: 43265, positive conditional: 43265, positive unconditional: 0, negative: 96064, negative conditional: 48975, negative unconditional: 47089, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 421, positive: 149, positive conditional: 113, positive unconditional: 36, negative: 272, negative conditional: 215, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 729, positive: 384, positive conditional: 220, positive unconditional: 164, negative: 345, negative conditional: 248, negative unconditional: 98, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 139329, positive: 43152, positive conditional: 43152, positive unconditional: 0, negative: 95849, negative conditional: 48760, negative unconditional: 47089, unknown: 328, unknown conditional: 328, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 645, Positive cache size: 373, Positive conditional cache size: 113, Positive unconditional cache size: 260, Negative cache size: 272, Negative conditional cache size: 215, Negative unconditional cache size: 57, Eliminated conditions: 47089 ], Maximal queried relation: 6, Independence queries for same thread: 20481 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 243069, positive: 176398, positive conditional: 176398, positive unconditional: 0, negative: 66671, negative conditional: 66671, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 219159, positive: 176398, positive conditional: 176398, positive unconditional: 0, negative: 42761, negative conditional: 42761, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 219159, positive: 176398, positive conditional: 0, positive unconditional: 176398, negative: 42761, negative conditional: 0, negative unconditional: 42761, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 260, positive: 205, positive conditional: 0, positive unconditional: 205, negative: 55, negative conditional: 0, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 260, positive: 180, positive conditional: 0, positive unconditional: 180, negative: 80, negative conditional: 0, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 80, positive: 25, positive conditional: 0, positive unconditional: 25, negative: 55, negative conditional: 0, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 80, positive: 25, positive conditional: 0, positive unconditional: 25, negative: 55, negative conditional: 0, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 139, positive: 63, positive conditional: 0, positive unconditional: 63, negative: 76, negative conditional: 0, negative unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 219159, positive: 176193, positive conditional: 0, positive unconditional: 176193, negative: 42706, negative conditional: 0, negative unconditional: 42706, unknown: 260, unknown conditional: 0, unknown unconditional: 260] , Statistics on independence cache: Total cache size (in pairs): 260, Positive cache size: 205, Positive conditional cache size: 0, Positive unconditional cache size: 205, Negative cache size: 55, Negative conditional cache size: 0, Negative unconditional cache size: 55 ], Maximal queried relation: 0, Independence queries for same thread: 23910 - PositiveResult [Line: 75]: 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: ServerThreadThread1of1ForFork0 with 1 thread instances CFG has 10 procedures, 57 locations, 9 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4962.3ms, OverallIterations: 6, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 15.6ms, PartialOrderReductionTime: 3985.2ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 33, 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: 15.1ms SsaConstructionTime, 75.5ms SatisfiabilityAnalysisTime, 448.1ms InterpolantComputationTime, 165 NumberOfCodeBlocks, 165 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 158 ConstructedInterpolants, 0 QuantifiedInterpolants, 793 SizeOfPredicates, 0 NumberOfNonLiveVariables, 52 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 5/9 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 10 procedures, 57 locations, 9 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 902.5ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.8ms, PartialOrderReductionTime: 893.5ms, 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...