/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-serverassert05.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-1c3aa5735269c4be989a50fc1da9ea7b9492ef29-1c3aa57 [2021-07-01 10:33:06,282 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-01 10:33:06,284 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-01 10:33:06,314 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-01 10:33:06,335 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-01 10:33:06,337 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-01 10:33:06,338 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-01 10:33:06,339 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-01 10:33:06,342 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-01 10:33:06,342 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-01 10:33:06,344 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-01 10:33:06,349 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-01 10:33:06,350 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-01 10:33:06,351 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-01 10:33:06,354 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-01 10:33:06,355 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-01 10:33:06,361 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-07-01 10:33:06,375 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe-Lockstep.epf [2021-07-01 10:33:06,410 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-01 10:33:06,410 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-01 10:33:06,411 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-01 10:33:06,411 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-01 10:33:06,413 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-01 10:33:06,413 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-01 10:33:06,414 INFO L138 SettingsManager]: * Use SBE=true [2021-07-01 10:33:06,414 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-01 10:33:06,414 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-01 10:33:06,414 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-01 10:33:06,415 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-01 10:33:06,415 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-01 10:33:06,416 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-01 10:33:06,416 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-01 10:33:06,416 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-01 10:33:06,416 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-01 10:33:06,416 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-01 10:33:06,416 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-01 10:33:06,416 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-01 10:33:06,417 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-01 10:33:06,417 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-01 10:33:06,417 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-01 10:33:06,417 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-01 10:33:06,417 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-01 10:33:06,418 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-01 10:33:06,418 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-01 10:33:06,418 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-01 10:33:06,418 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-01 10:33:06,418 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-07-01 10:33:06,418 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-01 10:33:06,419 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-01 10:33:06,419 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-01 10:33:06,419 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-01 10:33:06,419 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-07-01 10:33:06,419 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-01 10:33:06,723 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-01 10:33:06,745 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-01 10:33:06,747 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-01 10:33:06,748 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-01 10:33:06,749 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-01 10:33:06,750 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-serverassert05.bpl [2021-07-01 10:33:06,750 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-serverassert05.bpl' [2021-07-01 10:33:06,771 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-01 10:33:06,773 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-01 10:33:06,774 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-01 10:33:06,774 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-01 10:33:06,774 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-01 10:33:06,786 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth-serverassert05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:33:06" (1/1) ... [2021-07-01 10:33:06,793 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth-serverassert05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:33:06" (1/1) ... [2021-07-01 10:33:06,808 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-01 10:33:06,810 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-01 10:33:06,810 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-01 10:33:06,810 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-01 10:33:06,817 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth-serverassert05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:33:06" (1/1) ... [2021-07-01 10:33:06,817 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth-serverassert05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:33:06" (1/1) ... [2021-07-01 10:33:06,818 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth-serverassert05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:33:06" (1/1) ... [2021-07-01 10:33:06,819 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth-serverassert05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:33:06" (1/1) ... [2021-07-01 10:33:06,821 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth-serverassert05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:33:06" (1/1) ... [2021-07-01 10:33:06,824 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth-serverassert05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:33:06" (1/1) ... [2021-07-01 10:33:06,825 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth-serverassert05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:33:06" (1/1) ... [2021-07-01 10:33:06,827 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-01 10:33:06,828 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-01 10:33:06,829 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-01 10:33:06,829 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-01 10:33:06,830 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-serverassert05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:33:06" (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 10:33:06,906 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration [2021-07-01 10:33:06,906 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThread [2021-07-01 10:33:06,906 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThread [2021-07-01 10:33:06,906 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration [2021-07-01 10:33:06,906 INFO L130 BoogieDeclarations]: Found specification of procedure ServerThread [2021-07-01 10:33:06,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ServerThread [2021-07-01 10:33:06,907 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-01 10:33:06,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-01 10:33:06,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-01 10:33:06,908 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 10:33:07,089 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-01 10:33:07,089 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-07-01 10:33:07,090 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadEXIT is neither atomic block end nor error location. [2021-07-01 10:33:07,091 INFO L202 PluginConnector]: Adding new model bluetooth-serverassert05.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 10:33:07 BoogieIcfgContainer [2021-07-01 10:33:07,092 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-01 10:33:07,093 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-01 10:33:07,093 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-01 10:33:07,096 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-01 10:33:07,096 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-serverassert05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:33:06" (1/2) ... [2021-07-01 10:33:07,097 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b84cc7d and model type bluetooth-serverassert05.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 10:33:07, skipping insertion in model container [2021-07-01 10:33:07,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-serverassert05.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 10:33:07" (2/2) ... [2021-07-01 10:33:07,098 INFO L111 eAbstractionObserver]: Analyzing ICFG bluetooth-serverassert05.bpl [2021-07-01 10:33:07,102 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-01 10:33:07,103 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-01 10:33:07,103 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-01 10:33:07,103 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-01 10:33:07,135 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-01 10:33:07,161 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 10:33:07,219 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-01 10:33:07,219 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-01 10:33:07,219 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-01 10:33:07,219 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-01 10:33:07,219 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-01 10:33:07,219 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-01 10:33:07,219 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-01 10:33:07,220 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ServerThreadThread1of1ForFork0======== [2021-07-01 10:33:07,341 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 10:33:07,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 10:33:07,346 INFO L82 PathProgramCache]: Analyzing trace with hash 480981893, now seen corresponding path program 1 times [2021-07-01 10:33:07,373 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 10:33:07,373 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907558601] [2021-07-01 10:33:07,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 10:33:07,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 10:33:07,527 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 10:33:07,528 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 10:33:07,528 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907558601] [2021-07-01 10:33:07,529 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907558601] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 10:33:07,529 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 10:33:07,529 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-01 10:33:07,530 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495037634] [2021-07-01 10:33:07,533 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-01 10:33:07,533 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 10:33:07,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-01 10:33:07,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-07-01 10:33:07,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:33:07,552 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 10:33:07,554 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-01 10:33:07,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:33:07,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:33:07,640 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-01 10:33:07,640 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 10:33:07,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 10:33:07,644 INFO L82 PathProgramCache]: Analyzing trace with hash -1510579967, now seen corresponding path program 1 times [2021-07-01 10:33:07,644 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 10:33:07,644 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95118689] [2021-07-01 10:33:07,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 10:33:07,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 10:33:07,673 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 10:33:07,674 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 10:33:07,674 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95118689] [2021-07-01 10:33:07,675 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95118689] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 10:33:07,675 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 10:33:07,675 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-01 10:33:07,675 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729830521] [2021-07-01 10:33:07,677 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-01 10:33:07,677 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 10:33:07,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-01 10:33:07,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-01 10:33:07,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:33:07,680 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 10:33:07,680 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 10:33:07,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:33:07,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:33:07,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:33:07,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:33:07,971 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-01 10:33:07,971 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 10:33:07,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 10:33:07,973 INFO L82 PathProgramCache]: Analyzing trace with hash -1970716130, now seen corresponding path program 1 times [2021-07-01 10:33:07,973 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 10:33:07,974 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718344586] [2021-07-01 10:33:07,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 10:33:07,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 10:33:08,049 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-01 10:33:08,050 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 10:33:08,050 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718344586] [2021-07-01 10:33:08,050 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [718344586] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 10:33:08,050 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1778076175] [2021-07-01 10:33:08,050 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 10:33:08,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 10:33:08,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-01 10:33:08,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-01 10:33:08,190 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-01 10:33:08,191 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1778076175] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 10:33:08,191 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-01 10:33:08,191 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 3] total 8 [2021-07-01 10:33:08,191 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61838962] [2021-07-01 10:33:08,192 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-01 10:33:08,192 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 10:33:08,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-01 10:33:08,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-07-01 10:33:08,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:33:08,193 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 10:33:08,193 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 9 states have (on average 4.888888888888889) internal successors, (44), 9 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-01 10:33:08,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:33:08,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:33:08,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:33:08,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:33:08,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:33:08,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-01 10:33:08,600 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 10:33:08,601 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 10:33:08,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 10:33:08,601 INFO L82 PathProgramCache]: Analyzing trace with hash 1699383588, now seen corresponding path program 1 times [2021-07-01 10:33:08,601 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 10:33:08,602 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094013308] [2021-07-01 10:33:08,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 10:33:08,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 10:33:08,709 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-01 10:33:08,709 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 10:33:08,709 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094013308] [2021-07-01 10:33:08,710 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094013308] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 10:33:08,710 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1655263913] [2021-07-01 10:33:08,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 10:33:08,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 10:33:08,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-01 10:33:08,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-01 10:33:08,922 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-01 10:33:08,923 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1655263913] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 10:33:08,923 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-01 10:33:08,923 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-07-01 10:33:08,923 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692917417] [2021-07-01 10:33:08,924 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-01 10:33:08,924 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 10:33:08,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-01 10:33:08,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-07-01 10:33:08,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:33:08,926 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 10:33:08,926 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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 10:33:08,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:33:08,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:33:08,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-01 10:33:08,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:33:09,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:33:09,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:33:09,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-01 10:33:09,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-01 10:33:09,260 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 10:33:09,261 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 10:33:09,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 10:33:09,261 INFO L82 PathProgramCache]: Analyzing trace with hash 1347484227, now seen corresponding path program 1 times [2021-07-01 10:33:09,262 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 10:33:09,262 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202894861] [2021-07-01 10:33:09,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 10:33:09,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 10:33:09,348 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-01 10:33:09,348 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 10:33:09,348 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202894861] [2021-07-01 10:33:09,349 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1202894861] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 10:33:09,349 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [173006709] [2021-07-01 10:33:09,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 10:33:09,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 10:33:09,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 25 conjunts are in the unsatisfiable core [2021-07-01 10:33:09,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-01 10:33:09,517 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-01 10:33:09,517 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [173006709] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 10:33:09,517 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-01 10:33:09,517 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 12 [2021-07-01 10:33:09,517 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530532132] [2021-07-01 10:33:09,518 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-01 10:33:09,518 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 10:33:09,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-01 10:33:09,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2021-07-01 10:33:09,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:33:09,520 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 10:33:09,521 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 4.0) internal successors, (52), 12 states have internal predecessors, (52), 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 10:33:09,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:33:09,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:33:09,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-01 10:33:09,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-01 10:33:09,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:33:10,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:33:10,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:33:10,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-01 10:33:10,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-01 10:33:10,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-01 10:33:10,220 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 10:33:10,221 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 10:33:10,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 10:33:10,221 INFO L82 PathProgramCache]: Analyzing trace with hash 633624472, now seen corresponding path program 1 times [2021-07-01 10:33:10,222 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 10:33:10,222 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049764109] [2021-07-01 10:33:10,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 10:33:10,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 10:33:10,325 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-01 10:33:10,325 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 10:33:10,325 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049764109] [2021-07-01 10:33:10,325 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049764109] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 10:33:10,325 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1170041058] [2021-07-01 10:33:10,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 10:33:10,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 10:33:10,359 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 29 conjunts are in the unsatisfiable core [2021-07-01 10:33:10,360 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-01 10:33:10,429 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-01 10:33:10,429 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1170041058] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 10:33:10,429 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-01 10:33:10,429 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2021-07-01 10:33:10,429 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106515431] [2021-07-01 10:33:10,430 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-01 10:33:10,430 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 10:33:10,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-01 10:33:10,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-07-01 10:33:10,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:33:10,430 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 10:33:10,431 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 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 10:33:10,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:33:10,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:33:10,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-01 10:33:10,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-01 10:33:10,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-01 10:33:10,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:33:10,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:33:10,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:33:10,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-01 10:33:10,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-01 10:33:10,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-01 10:33:10,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-01 10:33:10,864 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-07-01 10:33:10,865 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 10:33:10,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 10:33:10,865 INFO L82 PathProgramCache]: Analyzing trace with hash 1104932147, now seen corresponding path program 1 times [2021-07-01 10:33:10,865 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 10:33:10,866 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268089170] [2021-07-01 10:33:10,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 10:33:10,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 10:33:10,964 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-01 10:33:10,964 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 10:33:10,964 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268089170] [2021-07-01 10:33:10,964 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268089170] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 10:33:10,964 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2007962744] [2021-07-01 10:33:10,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 10:33:10,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 10:33:10,998 WARN L261 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 40 conjunts are in the unsatisfiable core [2021-07-01 10:33:10,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-01 10:33:11,149 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-01 10:33:11,152 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2007962744] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 10:33:11,153 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-01 10:33:11,153 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6] total 14 [2021-07-01 10:33:11,153 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996600266] [2021-07-01 10:33:11,154 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-01 10:33:11,154 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 10:33:11,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-01 10:33:11,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2021-07-01 10:33:11,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:33:11,155 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 10:33:11,155 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 4.133333333333334) internal successors, (62), 14 states have internal predecessors, (62), 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 10:33:11,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:33:11,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:33:11,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-01 10:33:11,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-01 10:33:11,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-01 10:33:11,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-01 10:33:11,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:33:12,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:33:12,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:33:12,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-01 10:33:12,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-01 10:33:12,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-01 10:33:12,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-01 10:33:12,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-01 10:33:12,504 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 10:33:12,505 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 10:33:12,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 10:33:12,505 INFO L82 PathProgramCache]: Analyzing trace with hash 1945586427, now seen corresponding path program 1 times [2021-07-01 10:33:12,505 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 10:33:12,505 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959295060] [2021-07-01 10:33:12,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 10:33:12,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 10:33:12,609 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-07-01 10:33:12,610 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 10:33:12,610 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959295060] [2021-07-01 10:33:12,610 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959295060] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 10:33:12,610 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [450115804] [2021-07-01 10:33:12,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 10:33:12,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 10:33:12,648 WARN L261 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 53 conjunts are in the unsatisfiable core [2021-07-01 10:33:12,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-01 10:33:12,756 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-07-01 10:33:12,756 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [450115804] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 10:33:12,756 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-01 10:33:12,756 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2021-07-01 10:33:12,757 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083322779] [2021-07-01 10:33:12,757 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-01 10:33:12,757 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 10:33:12,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-01 10:33:12,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-07-01 10:33:12,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:33:12,758 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 10:33:12,758 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 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 10:33:12,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:33:12,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:33:12,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-01 10:33:12,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-01 10:33:12,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-01 10:33:12,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-01 10:33:12,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-01 10:33:12,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:33:13,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:33:13,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:33:13,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-01 10:33:13,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-01 10:33:13,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-01 10:33:13,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-01 10:33:13,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-01 10:33:13,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-01 10:33:13,520 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 10:33:13,521 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 10:33:13,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 10:33:13,522 INFO L82 PathProgramCache]: Analyzing trace with hash 1859103466, now seen corresponding path program 1 times [2021-07-01 10:33:13,522 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 10:33:13,522 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009121717] [2021-07-01 10:33:13,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 10:33:13,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 10:33:13,621 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 18 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-01 10:33:13,621 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 10:33:13,621 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009121717] [2021-07-01 10:33:13,621 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1009121717] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 10:33:13,621 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1355008066] [2021-07-01 10:33:13,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 10:33:13,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 10:33:13,675 WARN L261 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 60 conjunts are in the unsatisfiable core [2021-07-01 10:33:13,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-01 10:33:13,848 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-01 10:33:13,848 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1355008066] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 10:33:13,848 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-01 10:33:13,849 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7] total 16 [2021-07-01 10:33:13,851 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833350762] [2021-07-01 10:33:13,852 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-01 10:33:13,852 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 10:33:13,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-01 10:33:13,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2021-07-01 10:33:13,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:33:13,853 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 10:33:13,853 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 4.588235294117647) internal successors, (78), 16 states have internal predecessors, (78), 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 10:33:13,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:33:13,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:33:13,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-01 10:33:13,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-01 10:33:13,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-01 10:33:13,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-01 10:33:13,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-01 10:33:13,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-01 10:33:13,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:33:17,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:33:17,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:33:17,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-01 10:33:17,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-01 10:33:17,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-01 10:33:17,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-01 10:33:17,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-01 10:33:17,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-01 10:33:17,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-01 10:33:17,494 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-07-01 10:33:17,494 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 10:33:17,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 10:33:17,495 INFO L82 PathProgramCache]: Analyzing trace with hash -1968991196, now seen corresponding path program 1 times [2021-07-01 10:33:17,495 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 10:33:17,495 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533478795] [2021-07-01 10:33:17,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 10:33:17,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 10:33:17,692 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-01 10:33:17,693 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 10:33:17,693 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533478795] [2021-07-01 10:33:17,693 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533478795] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 10:33:17,693 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1877651305] [2021-07-01 10:33:17,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 10:33:17,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 10:33:17,732 WARN L261 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 57 conjunts are in the unsatisfiable core [2021-07-01 10:33:17,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-01 10:33:17,868 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-01 10:33:17,868 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1877651305] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 10:33:17,868 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-01 10:33:17,868 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2021-07-01 10:33:17,868 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882301353] [2021-07-01 10:33:17,869 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-01 10:33:17,869 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 10:33:17,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-01 10:33:17,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-07-01 10:33:17,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:33:17,869 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 10:33:17,869 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 8 states have (on average 5.625) internal successors, (45), 8 states have internal predecessors, (45), 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 10:33:17,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:33:17,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:33:17,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-01 10:33:17,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-01 10:33:17,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-01 10:33:17,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-01 10:33:17,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-01 10:33:17,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-01 10:33:17,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-01 10:33:17,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:33:19,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:33:19,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:33:19,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-01 10:33:19,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-01 10:33:19,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-01 10:33:19,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-01 10:33:19,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-01 10:33:19,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-01 10:33:19,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-01 10:33:19,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-01 10:33:19,423 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 10:33:19,423 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 10:33:19,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 10:33:19,424 INFO L82 PathProgramCache]: Analyzing trace with hash -1758161763, now seen corresponding path program 1 times [2021-07-01 10:33:19,424 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 10:33:19,424 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150225531] [2021-07-01 10:33:19,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 10:33:19,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 10:33:19,584 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 19 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-01 10:33:19,584 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 10:33:19,584 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150225531] [2021-07-01 10:33:19,584 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150225531] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 10:33:19,584 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [794587370] [2021-07-01 10:33:19,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 10:33:19,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 10:33:19,630 WARN L261 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 75 conjunts are in the unsatisfiable core [2021-07-01 10:33:19,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-01 10:33:19,897 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-01 10:33:19,897 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [794587370] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 10:33:19,897 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-01 10:33:19,897 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8] total 18 [2021-07-01 10:33:19,898 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144400691] [2021-07-01 10:33:19,898 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-01 10:33:19,898 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 10:33:19,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-01 10:33:19,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=231, Unknown=0, NotChecked=0, Total=342 [2021-07-01 10:33:19,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:33:19,899 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 10:33:19,899 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 4.7368421052631575) internal successors, (90), 18 states have internal predecessors, (90), 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 10:33:19,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:33:19,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:33:19,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-01 10:33:19,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-01 10:33:19,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-01 10:33:19,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-01 10:33:19,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-01 10:33:19,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-01 10:33:19,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-01 10:33:19,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-01 10:33:19,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:33:22,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:33:22,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:33:22,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-01 10:33:22,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-01 10:33:22,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-01 10:33:22,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-01 10:33:22,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-01 10:33:22,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-01 10:33:22,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-01 10:33:22,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-01 10:33:22,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-01 10:33:23,054 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 10:33:23,068 INFO L301 ceAbstractionStarter]: Result for error location ServerThreadThread1of1ForFork0 was SAFE (1/2) [2021-07-01 10:33:23,070 INFO L255 AbstractCegarLoop]: Starting to check reachability of 6 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-01 10:33:23,077 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-01 10:33:23,077 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-01 10:33:23,077 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-01 10:33:23,077 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-01 10:33:23,077 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-01 10:33:23,077 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-01 10:33:23,077 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-01 10:33:23,077 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-01 10:33:23,353 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (2/2) [2021-07-01 10:33:23,353 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-01 10:33:23,356 INFO L202 PluginConnector]: Adding new model bluetooth-serverassert05.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 10:33:23 BasicIcfg [2021-07-01 10:33:23,356 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-01 10:33:23,357 INFO L168 Benchmark]: Toolchain (without parser) took 16584.39 ms. Allocated memory was 200.3 MB in the beginning and 1.1 GB in the end (delta: 875.6 MB). Free memory was 179.5 MB in the beginning and 336.9 MB in the end (delta: -157.4 MB). Peak memory consumption was 719.2 MB. Max. memory is 8.0 GB. [2021-07-01 10:33:23,357 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.14 ms. Allocated memory is still 200.3 MB. Free memory is still 180.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-01 10:33:23,357 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.91 ms. Allocated memory is still 200.3 MB. Free memory was 179.3 MB in the beginning and 177.6 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-01 10:33:23,357 INFO L168 Benchmark]: Boogie Preprocessor took 17.54 ms. Allocated memory is still 200.3 MB. Free memory was 177.6 MB in the beginning and 176.7 MB in the end (delta: 858.4 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-01 10:33:23,357 INFO L168 Benchmark]: RCFGBuilder took 263.16 ms. Allocated memory is still 200.3 MB. Free memory was 176.7 MB in the beginning and 163.8 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-07-01 10:33:23,357 INFO L168 Benchmark]: TraceAbstraction took 16263.36 ms. Allocated memory was 200.3 MB in the beginning and 1.1 GB in the end (delta: 875.6 MB). Free memory was 163.4 MB in the beginning and 336.9 MB in the end (delta: -173.5 MB). Peak memory consumption was 703.5 MB. Max. memory is 8.0 GB. [2021-07-01 10:33:23,358 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.14 ms. Allocated memory is still 200.3 MB. Free memory is still 180.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 34.91 ms. Allocated memory is still 200.3 MB. Free memory was 179.3 MB in the beginning and 177.6 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 17.54 ms. Allocated memory is still 200.3 MB. Free memory was 177.6 MB in the beginning and 176.7 MB in the end (delta: 858.4 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 263.16 ms. Allocated memory is still 200.3 MB. Free memory was 176.7 MB in the beginning and 163.8 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 16263.36 ms. Allocated memory was 200.3 MB in the beginning and 1.1 GB in the end (delta: 875.6 MB). Free memory was 163.4 MB in the beginning and 336.9 MB in the end (delta: -173.5 MB). Peak memory consumption was 703.5 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: 696333, positive: 628084, positive conditional: 628084, positive unconditional: 0, negative: 68249, negative conditional: 68249, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 644469, positive: 628084, positive conditional: 628084, positive unconditional: 0, negative: 16385, negative conditional: 16385, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 644469, positive: 533134, positive conditional: 0, positive unconditional: 533134, negative: 111335, negative conditional: 0, negative unconditional: 111335, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 443, positive: 376, positive conditional: 0, positive unconditional: 376, negative: 67, negative conditional: 0, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 443, positive: 317, positive conditional: 0, positive unconditional: 317, negative: 126, negative conditional: 0, negative unconditional: 126, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 126, positive: 59, positive conditional: 0, positive unconditional: 59, negative: 67, negative conditional: 0, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1584, positive: 941, positive conditional: 882, positive unconditional: 59, negative: 643, negative conditional: 576, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2013, positive: 1190, positive conditional: 1027, positive unconditional: 163, negative: 823, negative conditional: 656, negative unconditional: 167, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 644469, positive: 532758, positive conditional: 0, positive unconditional: 532758, negative: 111268, negative conditional: 0, negative unconditional: 111268, unknown: 443, unknown conditional: 0, unknown unconditional: 443] , Statistics on independence cache: Total cache size (in pairs): 1901, Positive cache size: 1258, Positive conditional cache size: 882, Positive unconditional cache size: 376, Negative cache size: 643, Negative conditional cache size: 576, Negative unconditional cache size: 67, SemanticConditionEliminator.Independence Queries: [ total: 471866, positive: 94950, positive conditional: 94950, positive unconditional: 0, negative: 376916, negative conditional: 109035, negative unconditional: 267881, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 471866, positive: 94950, positive conditional: 94950, positive unconditional: 0, negative: 376916, negative conditional: 109035, negative unconditional: 267881, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1584, positive: 941, positive conditional: 882, positive unconditional: 59, negative: 643, negative conditional: 576, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2013, positive: 1190, positive conditional: 1027, positive unconditional: 163, negative: 823, negative conditional: 656, negative unconditional: 167, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 471866, positive: 94068, positive conditional: 94068, positive unconditional: 0, negative: 376340, negative conditional: 108459, negative unconditional: 267881, unknown: 1458, unknown conditional: 1458, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1901, Positive cache size: 1258, Positive conditional cache size: 882, Positive unconditional cache size: 376, Negative cache size: 643, Negative conditional cache size: 576, Negative unconditional cache size: 67, Eliminated conditions: 267881, SemanticConditionEliminator.Independence Queries: [ total: 471866, positive: 94950, positive conditional: 94950, positive unconditional: 0, negative: 376916, negative conditional: 109035, negative unconditional: 267881, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 471866, positive: 94950, positive conditional: 94950, positive unconditional: 0, negative: 376916, negative conditional: 109035, negative unconditional: 267881, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1584, positive: 941, positive conditional: 882, positive unconditional: 59, negative: 643, negative conditional: 576, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2013, positive: 1190, positive conditional: 1027, positive unconditional: 163, negative: 823, negative conditional: 656, negative unconditional: 167, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 471866, positive: 94068, positive conditional: 94068, positive unconditional: 0, negative: 376340, negative conditional: 108459, negative unconditional: 267881, unknown: 1458, unknown conditional: 1458, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1901, Positive cache size: 1258, Positive conditional cache size: 882, Positive unconditional cache size: 376, Negative cache size: 643, Negative conditional cache size: 576, Negative unconditional cache size: 67, Eliminated conditions: 267881, SemanticConditionEliminator.Independence Queries: [ total: 471866, positive: 94950, positive conditional: 94950, positive unconditional: 0, negative: 376916, negative conditional: 109035, negative unconditional: 267881, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 471866, positive: 94950, positive conditional: 94950, positive unconditional: 0, negative: 376916, negative conditional: 109035, negative unconditional: 267881, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1584, positive: 941, positive conditional: 882, positive unconditional: 59, negative: 643, negative conditional: 576, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2013, positive: 1190, positive conditional: 1027, positive unconditional: 163, negative: 823, negative conditional: 656, negative unconditional: 167, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 471866, positive: 94068, positive conditional: 94068, positive unconditional: 0, negative: 376340, negative conditional: 108459, negative unconditional: 267881, unknown: 1458, unknown conditional: 1458, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1901, Positive cache size: 1258, Positive conditional cache size: 882, Positive unconditional cache size: 376, Negative cache size: 643, Negative conditional cache size: 576, Negative unconditional cache size: 67, Eliminated conditions: 267881, SemanticConditionEliminator.Independence Queries: [ total: 471866, positive: 94950, positive conditional: 94950, positive unconditional: 0, negative: 376916, negative conditional: 109035, negative unconditional: 267881, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 471866, positive: 94950, positive conditional: 94950, positive unconditional: 0, negative: 376916, negative conditional: 109035, negative unconditional: 267881, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1584, positive: 941, positive conditional: 882, positive unconditional: 59, negative: 643, negative conditional: 576, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2013, positive: 1190, positive conditional: 1027, positive unconditional: 163, negative: 823, negative conditional: 656, negative unconditional: 167, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 471866, positive: 94068, positive conditional: 94068, positive unconditional: 0, negative: 376340, negative conditional: 108459, negative unconditional: 267881, unknown: 1458, unknown conditional: 1458, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1901, Positive cache size: 1258, Positive conditional cache size: 882, Positive unconditional cache size: 376, Negative cache size: 643, Negative conditional cache size: 576, Negative unconditional cache size: 67, Eliminated conditions: 267881, SemanticConditionEliminator.Independence Queries: [ total: 471866, positive: 94950, positive conditional: 94950, positive unconditional: 0, negative: 376916, negative conditional: 109035, negative unconditional: 267881, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 471866, positive: 94950, positive conditional: 94950, positive unconditional: 0, negative: 376916, negative conditional: 109035, negative unconditional: 267881, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1584, positive: 941, positive conditional: 882, positive unconditional: 59, negative: 643, negative conditional: 576, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2013, positive: 1190, positive conditional: 1027, positive unconditional: 163, negative: 823, negative conditional: 656, negative unconditional: 167, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 471866, positive: 94068, positive conditional: 94068, positive unconditional: 0, negative: 376340, negative conditional: 108459, negative unconditional: 267881, unknown: 1458, unknown conditional: 1458, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1901, Positive cache size: 1258, Positive conditional cache size: 882, Positive unconditional cache size: 376, Negative cache size: 643, Negative conditional cache size: 576, Negative unconditional cache size: 67, Eliminated conditions: 267881, SemanticConditionEliminator.Independence Queries: [ total: 471866, positive: 94950, positive conditional: 94950, positive unconditional: 0, negative: 376916, negative conditional: 109035, negative unconditional: 267881, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 471866, positive: 94950, positive conditional: 94950, positive unconditional: 0, negative: 376916, negative conditional: 109035, negative unconditional: 267881, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1584, positive: 941, positive conditional: 882, positive unconditional: 59, negative: 643, negative conditional: 576, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2013, positive: 1190, positive conditional: 1027, positive unconditional: 163, negative: 823, negative conditional: 656, negative unconditional: 167, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 471866, positive: 94068, positive conditional: 94068, positive unconditional: 0, negative: 376340, negative conditional: 108459, negative unconditional: 267881, unknown: 1458, unknown conditional: 1458, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1901, Positive cache size: 1258, Positive conditional cache size: 882, Positive unconditional cache size: 376, Negative cache size: 643, Negative conditional cache size: 576, Negative unconditional cache size: 67, Eliminated conditions: 267881, SemanticConditionEliminator.Independence Queries: [ total: 471866, positive: 94950, positive conditional: 94950, positive unconditional: 0, negative: 376916, negative conditional: 109035, negative unconditional: 267881, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 471866, positive: 94950, positive conditional: 94950, positive unconditional: 0, negative: 376916, negative conditional: 109035, negative unconditional: 267881, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1584, positive: 941, positive conditional: 882, positive unconditional: 59, negative: 643, negative conditional: 576, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2013, positive: 1190, positive conditional: 1027, positive unconditional: 163, negative: 823, negative conditional: 656, negative unconditional: 167, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 471866, positive: 94068, positive conditional: 94068, positive unconditional: 0, negative: 376340, negative conditional: 108459, negative unconditional: 267881, unknown: 1458, unknown conditional: 1458, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1901, Positive cache size: 1258, Positive conditional cache size: 882, Positive unconditional cache size: 376, Negative cache size: 643, Negative conditional cache size: 576, Negative unconditional cache size: 67, Eliminated conditions: 267881, SemanticConditionEliminator.Independence Queries: [ total: 471866, positive: 94950, positive conditional: 94950, positive unconditional: 0, negative: 376916, negative conditional: 109035, negative unconditional: 267881, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 471866, positive: 94950, positive conditional: 94950, positive unconditional: 0, negative: 376916, negative conditional: 109035, negative unconditional: 267881, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1584, positive: 941, positive conditional: 882, positive unconditional: 59, negative: 643, negative conditional: 576, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2013, positive: 1190, positive conditional: 1027, positive unconditional: 163, negative: 823, negative conditional: 656, negative unconditional: 167, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 471866, positive: 94068, positive conditional: 94068, positive unconditional: 0, negative: 376340, negative conditional: 108459, negative unconditional: 267881, unknown: 1458, unknown conditional: 1458, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1901, Positive cache size: 1258, Positive conditional cache size: 882, Positive unconditional cache size: 376, Negative cache size: 643, Negative conditional cache size: 576, Negative unconditional cache size: 67, Eliminated conditions: 267881, SemanticConditionEliminator.Independence Queries: [ total: 471866, positive: 94950, positive conditional: 94950, positive unconditional: 0, negative: 376916, negative conditional: 109035, negative unconditional: 267881, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 471866, positive: 94950, positive conditional: 94950, positive unconditional: 0, negative: 376916, negative conditional: 109035, negative unconditional: 267881, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1584, positive: 941, positive conditional: 882, positive unconditional: 59, negative: 643, negative conditional: 576, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2013, positive: 1190, positive conditional: 1027, positive unconditional: 163, negative: 823, negative conditional: 656, negative unconditional: 167, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 471866, positive: 94068, positive conditional: 94068, positive unconditional: 0, negative: 376340, negative conditional: 108459, negative unconditional: 267881, unknown: 1458, unknown conditional: 1458, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1901, Positive cache size: 1258, Positive conditional cache size: 882, Positive unconditional cache size: 376, Negative cache size: 643, Negative conditional cache size: 576, Negative unconditional cache size: 67, Eliminated conditions: 267881, SemanticConditionEliminator.Independence Queries: [ total: 471866, positive: 94950, positive conditional: 94950, positive unconditional: 0, negative: 376916, negative conditional: 109035, negative unconditional: 267881, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 471866, positive: 94950, positive conditional: 94950, positive unconditional: 0, negative: 376916, negative conditional: 109035, negative unconditional: 267881, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1584, positive: 941, positive conditional: 882, positive unconditional: 59, negative: 643, negative conditional: 576, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2013, positive: 1190, positive conditional: 1027, positive unconditional: 163, negative: 823, negative conditional: 656, negative unconditional: 167, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 471866, positive: 94068, positive conditional: 94068, positive unconditional: 0, negative: 376340, negative conditional: 108459, negative unconditional: 267881, unknown: 1458, unknown conditional: 1458, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1901, Positive cache size: 1258, Positive conditional cache size: 882, Positive unconditional cache size: 376, Negative cache size: 643, Negative conditional cache size: 576, Negative unconditional cache size: 67, Eliminated conditions: 267881, SemanticConditionEliminator.Independence Queries: [ total: 471866, positive: 94950, positive conditional: 94950, positive unconditional: 0, negative: 376916, negative conditional: 109035, negative unconditional: 267881, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 471866, positive: 94950, positive conditional: 94950, positive unconditional: 0, negative: 376916, negative conditional: 109035, negative unconditional: 267881, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1584, positive: 941, positive conditional: 882, positive unconditional: 59, negative: 643, negative conditional: 576, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2013, positive: 1190, positive conditional: 1027, positive unconditional: 163, negative: 823, negative conditional: 656, negative unconditional: 167, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 471866, positive: 94068, positive conditional: 94068, positive unconditional: 0, negative: 376340, negative conditional: 108459, negative unconditional: 267881, unknown: 1458, unknown conditional: 1458, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1901, Positive cache size: 1258, Positive conditional cache size: 882, Positive unconditional cache size: 376, Negative cache size: 643, Negative conditional cache size: 576, Negative unconditional cache size: 67, Eliminated conditions: 267881 ], Maximal queried relation: 11, Independence queries for same thread: 51864 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 9907, positive: 6700, positive conditional: 6700, positive unconditional: 0, negative: 3207, negative conditional: 3207, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 8657, positive: 6700, positive conditional: 6700, positive unconditional: 0, negative: 1957, negative conditional: 1957, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 8657, positive: 6700, positive conditional: 0, positive unconditional: 6700, negative: 1957, negative conditional: 0, negative unconditional: 1957, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 333, positive: 263, positive conditional: 0, positive unconditional: 263, negative: 70, negative conditional: 0, negative unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 333, positive: 223, positive conditional: 0, positive unconditional: 223, negative: 110, negative conditional: 0, negative unconditional: 110, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 110, positive: 40, positive conditional: 0, positive unconditional: 40, negative: 70, negative conditional: 0, negative unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 110, positive: 40, positive conditional: 0, positive unconditional: 40, negative: 70, negative conditional: 0, negative unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 162, positive: 56, positive conditional: 0, positive unconditional: 56, negative: 105, negative conditional: 0, negative unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 8657, positive: 6437, positive conditional: 0, positive unconditional: 6437, negative: 1887, negative conditional: 0, negative unconditional: 1887, unknown: 333, unknown conditional: 0, unknown unconditional: 333] , Statistics on independence cache: Total cache size (in pairs): 333, Positive cache size: 263, Positive conditional cache size: 0, Positive unconditional cache size: 263, Negative cache size: 70, Negative conditional cache size: 0, Negative unconditional cache size: 70 ], Maximal queried relation: 0, Independence queries for same thread: 1250 - PositiveResult [Line: 74]: 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 9 procedures, 52 locations, 8 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15893.0ms, OverallIterations: 11, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 21.7ms, PartialOrderReductionTime: 10859.2ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 96, 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: 63.4ms SsaConstructionTime, 214.0ms SatisfiabilityAnalysisTime, 2296.1ms InterpolantComputationTime, 678 NumberOfCodeBlocks, 678 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 658 ConstructedInterpolants, 0 QuantifiedInterpolants, 3887 SizeOfPredicates, 0 NumberOfNonLiveVariables, 696 ConjunctsInSsa, 365 ConjunctsInUnsatCore, 20 InterpolantComputations, 2 PerfectInterpolantSequences, 97/366 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 9 procedures, 52 locations, 8 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 281.9ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.8ms, PartialOrderReductionTime: 274.0ms, 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...