/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-NewStatesSleepPersistentFixedOrder-NoLbe-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/nonblocking-cntr-alt.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3 [2021-06-17 13:31:18,578 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-17 13:31:18,580 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-17 13:31:18,605 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-17 13:31:18,605 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-17 13:31:18,607 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-17 13:31:18,626 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-17 13:31:18,631 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-17 13:31:18,632 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-17 13:31:18,635 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-17 13:31:18,636 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-17 13:31:18,637 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-17 13:31:18,637 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-17 13:31:18,639 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-17 13:31:18,640 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-17 13:31:18,641 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-17 13:31:18,641 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-17 13:31:18,642 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-17 13:31:18,645 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-17 13:31:18,649 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-17 13:31:18,649 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-17 13:31:18,651 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-17 13:31:18,651 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-17 13:31:18,653 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-17 13:31:18,657 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-17 13:31:18,664 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-17 13:31:18,665 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-17 13:31:18,665 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-17 13:31:18,667 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-NewStatesSleepPersistentFixedOrder-NoLbe-Random42.epf [2021-06-17 13:31:18,714 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-17 13:31:18,715 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-17 13:31:18,715 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-17 13:31:18,715 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-17 13:31:18,717 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-17 13:31:18,717 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-17 13:31:18,717 INFO L138 SettingsManager]: * Use SBE=true [2021-06-17 13:31:18,718 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-17 13:31:18,718 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-17 13:31:18,718 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-17 13:31:18,718 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-17 13:31:18,719 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-17 13:31:18,719 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-17 13:31:18,719 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-17 13:31:18,719 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-17 13:31:18,719 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-17 13:31:18,719 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-17 13:31:18,719 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-17 13:31:18,719 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-17 13:31:18,720 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-17 13:31:18,720 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-17 13:31:18,720 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-17 13:31:18,720 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-17 13:31:18,720 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-17 13:31:18,720 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-17 13:31:18,720 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-17 13:31:18,720 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-17 13:31:18,721 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-17 13:31:18,721 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-17 13:31:18,721 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-17 13:31:18,721 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-17 13:31:18,721 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-17 13:31:18,721 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-17 13:31:18,721 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-06-17 13:31:18,722 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-17 13:31:18,722 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-17 13:31:18,967 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-17 13:31:18,987 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-17 13:31:18,989 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-17 13:31:18,990 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-17 13:31:18,990 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-17 13:31:18,991 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/nonblocking-cntr-alt.wvr.bpl [2021-06-17 13:31:19,003 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/nonblocking-cntr-alt.wvr.bpl' [2021-06-17 13:31:19,034 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-17 13:31:19,035 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-17 13:31:19,036 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-17 13:31:19,036 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-17 13:31:19,036 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-17 13:31:19,045 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "nonblocking-cntr-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 01:31:19" (1/1) ... [2021-06-17 13:31:19,052 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "nonblocking-cntr-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 01:31:19" (1/1) ... [2021-06-17 13:31:19,058 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-17 13:31:19,058 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-17 13:31:19,059 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-17 13:31:19,059 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-17 13:31:19,064 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "nonblocking-cntr-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 01:31:19" (1/1) ... [2021-06-17 13:31:19,065 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "nonblocking-cntr-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 01:31:19" (1/1) ... [2021-06-17 13:31:19,065 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "nonblocking-cntr-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 01:31:19" (1/1) ... [2021-06-17 13:31:19,065 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "nonblocking-cntr-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 01:31:19" (1/1) ... [2021-06-17 13:31:19,067 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "nonblocking-cntr-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 01:31:19" (1/1) ... [2021-06-17 13:31:19,070 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "nonblocking-cntr-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 01:31:19" (1/1) ... [2021-06-17 13:31:19,071 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "nonblocking-cntr-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 01:31:19" (1/1) ... [2021-06-17 13:31:19,072 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-17 13:31:19,074 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-17 13:31:19,074 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-17 13:31:19,074 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-17 13:31:19,075 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "nonblocking-cntr-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 01:31:19" (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 [2021-06-17 13:31:19,126 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-17 13:31:19,126 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-17 13:31:19,126 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-17 13:31:19,126 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-17 13:31:19,126 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-17 13:31:19,126 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-17 13:31:19,127 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-17 13:31:19,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-17 13:31:19,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-17 13:31:19,127 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-17 13:31:19,238 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-17 13:31:19,238 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-17 13:31:19,240 INFO L202 PluginConnector]: Adding new model nonblocking-cntr-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.06 01:31:19 BoogieIcfgContainer [2021-06-17 13:31:19,240 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-17 13:31:19,241 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-17 13:31:19,241 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-17 13:31:19,243 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-17 13:31:19,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "nonblocking-cntr-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 01:31:19" (1/2) ... [2021-06-17 13:31:19,244 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e436595 and model type nonblocking-cntr-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.06 01:31:19, skipping insertion in model container [2021-06-17 13:31:19,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "nonblocking-cntr-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.06 01:31:19" (2/2) ... [2021-06-17 13:31:19,245 INFO L111 eAbstractionObserver]: Analyzing ICFG nonblocking-cntr-alt.wvr.bpl [2021-06-17 13:31:19,249 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-17 13:31:19,249 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-17 13:31:19,249 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-17 13:31:19,249 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-17 13:31:19,278 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-06-17 13:31:19,292 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 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 [2021-06-17 13:31:19,377 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-17 13:31:19,377 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-17 13:31:19,378 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-17 13:31:19,378 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-17 13:31:19,378 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-17 13:31:19,378 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-17 13:31:19,378 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-17 13:31:19,378 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-17 13:31:19,414 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:31:19,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:31:19,418 INFO L82 PathProgramCache]: Analyzing trace with hash 1077623439, now seen corresponding path program 1 times [2021-06-17 13:31:19,424 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:31:19,424 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037649386] [2021-06-17 13:31:19,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:31:19,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:31:19,521 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-17 13:31:19,522 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:31:19,522 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037649386] [2021-06-17 13:31:19,522 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037649386] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 13:31:19,522 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 13:31:19,523 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-17 13:31:19,523 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412015108] [2021-06-17 13:31:19,526 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-17 13:31:19,527 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:31:19,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-17 13:31:19,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-17 13:31:19,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:31:19,540 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:31:19,543 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 3 states have internal predecessors, (17), 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) [2021-06-17 13:31:19,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:31:19,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 13:31:19,647 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-17 13:31:19,647 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:31:19,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:31:19,648 INFO L82 PathProgramCache]: Analyzing trace with hash 581934567, now seen corresponding path program 1 times [2021-06-17 13:31:19,648 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:31:19,648 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371643943] [2021-06-17 13:31:19,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:31:19,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:31:19,677 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-17 13:31:19,678 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:31:19,678 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371643943] [2021-06-17 13:31:19,678 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371643943] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 13:31:19,679 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 13:31:19,679 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-17 13:31:19,680 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134975269] [2021-06-17 13:31:19,681 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-17 13:31:19,681 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:31:19,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-17 13:31:19,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-17 13:31:19,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:31:19,685 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:31:19,685 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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) [2021-06-17 13:31:19,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 13:31:19,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:31:19,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 13:31:19,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 13:31:19,727 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-17 13:31:19,727 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:31:19,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:31:19,728 INFO L82 PathProgramCache]: Analyzing trace with hash 1568525929, now seen corresponding path program 1 times [2021-06-17 13:31:19,729 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:31:19,730 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230224260] [2021-06-17 13:31:19,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:31:19,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:31:19,938 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:31:19,938 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:31:19,938 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230224260] [2021-06-17 13:31:19,938 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230224260] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:31:19,939 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [836398214] [2021-06-17 13:31:19,939 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 [2021-06-17 13:31:19,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:31:19,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-17 13:31:19,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 13:31:20,285 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:31:20,286 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [836398214] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:31:20,286 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 13:31:20,286 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2021-06-17 13:31:20,286 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984376801] [2021-06-17 13:31:20,287 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-17 13:31:20,287 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:31:20,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-17 13:31:20,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=239, Unknown=0, NotChecked=0, Total=306 [2021-06-17 13:31:20,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:31:20,289 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:31:20,290 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 1.9444444444444444) internal successors, (35), 17 states have internal predecessors, (35), 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) [2021-06-17 13:31:20,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 13:31:20,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 13:31:20,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:31:20,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 13:31:20,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 13:31:20,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 13:31:20,756 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 13:31:20,757 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:31:20,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:31:20,757 INFO L82 PathProgramCache]: Analyzing trace with hash 894845307, now seen corresponding path program 2 times [2021-06-17 13:31:20,758 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:31:20,758 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243750876] [2021-06-17 13:31:20,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:31:20,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:31:20,806 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-17 13:31:20,806 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:31:20,806 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243750876] [2021-06-17 13:31:20,806 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [243750876] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:31:20,806 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1903555916] [2021-06-17 13:31:20,806 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 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 [2021-06-17 13:31:20,855 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-17 13:31:20,855 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 13:31:20,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 8 conjunts are in the unsatisfiable core [2021-06-17 13:31:20,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 13:31:20,920 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-17 13:31:20,920 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1903555916] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:31:20,920 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 13:31:20,920 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2021-06-17 13:31:20,920 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192631277] [2021-06-17 13:31:20,921 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-17 13:31:20,921 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:31:20,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-17 13:31:20,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-06-17 13:31:20,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:31:20,921 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:31:20,922 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 13:31:20,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 13:31:20,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 13:31:20,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 13:31:20,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:31:21,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 13:31:21,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 13:31:21,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 13:31:21,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:31:21,216 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 13:31:21,217 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:31:21,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:31:21,217 INFO L82 PathProgramCache]: Analyzing trace with hash -2031029463, now seen corresponding path program 3 times [2021-06-17 13:31:21,218 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:31:21,218 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574240554] [2021-06-17 13:31:21,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:31:21,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:31:21,411 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:31:21,411 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:31:21,411 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574240554] [2021-06-17 13:31:21,411 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574240554] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:31:21,411 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1512187668] [2021-06-17 13:31:21,411 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 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 [2021-06-17 13:31:21,436 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-17 13:31:21,436 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 13:31:21,437 WARN L261 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 25 conjunts are in the unsatisfiable core [2021-06-17 13:31:21,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 13:31:21,774 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:31:21,774 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1512187668] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:31:21,774 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 13:31:21,774 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 22 [2021-06-17 13:31:21,774 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860986827] [2021-06-17 13:31:21,775 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-17 13:31:21,775 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:31:21,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-17 13:31:21,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=415, Unknown=0, NotChecked=0, Total=506 [2021-06-17 13:31:21,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:31:21,776 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:31:21,776 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 1.9130434782608696) internal successors, (44), 22 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) [2021-06-17 13:31:21,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 13:31:21,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 13:31:21,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 13:31:21,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:31:21,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:31:23,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 13:31:23,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 13:31:23,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 13:31:23,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:31:23,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:31:23,521 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 13:31:23,521 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:31:23,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:31:23,521 INFO L82 PathProgramCache]: Analyzing trace with hash 325692281, now seen corresponding path program 4 times [2021-06-17 13:31:23,522 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:31:23,522 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716686772] [2021-06-17 13:31:23,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:31:23,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:31:23,701 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-17 13:31:23,701 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:31:23,701 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716686772] [2021-06-17 13:31:23,701 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1716686772] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:31:23,701 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1615136679] [2021-06-17 13:31:23,701 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST 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 [2021-06-17 13:31:23,734 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-17 13:31:23,734 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 13:31:23,736 WARN L261 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 37 conjunts are in the unsatisfiable core [2021-06-17 13:31:23,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 13:31:24,078 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:31:24,078 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1615136679] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:31:24,078 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 13:31:24,079 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 15] total 26 [2021-06-17 13:31:24,079 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536457861] [2021-06-17 13:31:24,079 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-06-17 13:31:24,079 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:31:24,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-06-17 13:31:24,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=606, Unknown=0, NotChecked=0, Total=702 [2021-06-17 13:31:24,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:31:24,080 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:31:24,080 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 2.0) internal successors, (54), 26 states have internal predecessors, (54), 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) [2021-06-17 13:31:24,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 13:31:24,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 13:31:24,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 13:31:24,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:31:24,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:31:24,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:31:25,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 13:31:25,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 13:31:25,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 13:31:25,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:31:25,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-17 13:31:25,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-17 13:31:25,568 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-06-17 13:31:25,574 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-17 13:31:25,576 INFO L202 PluginConnector]: Adding new model nonblocking-cntr-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.06 01:31:25 BasicIcfg [2021-06-17 13:31:25,576 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-17 13:31:25,576 INFO L168 Benchmark]: Toolchain (without parser) took 6541.00 ms. Allocated memory was 176.2 MB in the beginning and 262.1 MB in the end (delta: 86.0 MB). Free memory was 156.1 MB in the beginning and 178.1 MB in the end (delta: -22.0 MB). Peak memory consumption was 65.1 MB. Max. memory is 8.0 GB. [2021-06-17 13:31:25,576 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.09 ms. Allocated memory is still 176.2 MB. Free memory is still 157.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-17 13:31:25,576 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.64 ms. Allocated memory is still 176.2 MB. Free memory was 156.0 MB in the beginning and 154.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-17 13:31:25,577 INFO L168 Benchmark]: Boogie Preprocessor took 13.50 ms. Allocated memory is still 176.2 MB. Free memory was 154.7 MB in the beginning and 153.7 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-17 13:31:25,577 INFO L168 Benchmark]: RCFGBuilder took 166.56 ms. Allocated memory is still 176.2 MB. Free memory was 153.7 MB in the beginning and 142.3 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-06-17 13:31:25,577 INFO L168 Benchmark]: TraceAbstraction took 6334.67 ms. Allocated memory was 176.2 MB in the beginning and 262.1 MB in the end (delta: 86.0 MB). Free memory was 141.9 MB in the beginning and 178.1 MB in the end (delta: -36.2 MB). Peak memory consumption was 50.4 MB. Max. memory is 8.0 GB. [2021-06-17 13:31:25,577 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 0.09 ms. Allocated memory is still 176.2 MB. Free memory is still 157.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 21.64 ms. Allocated memory is still 176.2 MB. Free memory was 156.0 MB in the beginning and 154.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 13.50 ms. Allocated memory is still 176.2 MB. Free memory was 154.7 MB in the beginning and 153.7 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 166.56 ms. Allocated memory is still 176.2 MB. Free memory was 153.7 MB in the beginning and 142.3 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 6334.67 ms. Allocated memory was 176.2 MB in the beginning and 262.1 MB in the end (delta: 86.0 MB). Free memory was 141.9 MB in the beginning and 178.1 MB in the end (delta: -36.2 MB). Peak memory consumption was 50.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 849, positive: 653, positive conditional: 584, positive unconditional: 69, negative: 196, negative conditional: 195, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 667, positive: 653, positive conditional: 584, positive unconditional: 69, negative: 14, negative conditional: 13, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 667, positive: 643, positive conditional: 0, positive unconditional: 643, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 73, positive: 71, positive conditional: 0, positive unconditional: 71, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 73, positive: 71, positive conditional: 0, positive unconditional: 71, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 28, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 24, negative conditional: 22, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 95, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 90, negative conditional: 53, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 667, positive: 572, positive conditional: 0, positive unconditional: 572, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 73, unknown conditional: 0, unknown unconditional: 73] , Statistics on independence cache: Total cache size (in pairs): 99, Positive cache size: 75, Positive conditional cache size: 4, Positive unconditional cache size: 71, Negative cache size: 24, Negative conditional cache size: 22, Negative unconditional cache size: 2, SemanticConditionEliminator.Independence Queries: [ total: 106, positive: 10, positive conditional: 10, positive unconditional: 0, negative: 96, negative conditional: 95, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 106, positive: 10, positive conditional: 10, positive unconditional: 0, negative: 96, negative conditional: 95, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 28, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 24, negative conditional: 22, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 95, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 90, negative conditional: 53, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 106, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 74, negative conditional: 73, negative unconditional: 1, unknown: 26, unknown conditional: 26, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 99, Positive cache size: 75, Positive conditional cache size: 4, Positive unconditional cache size: 71, Negative cache size: 24, Negative conditional cache size: 22, Negative unconditional cache size: 2, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 106, positive: 10, positive conditional: 10, positive unconditional: 0, negative: 96, negative conditional: 95, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 106, positive: 10, positive conditional: 10, positive unconditional: 0, negative: 96, negative conditional: 95, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 28, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 24, negative conditional: 22, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 95, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 90, negative conditional: 53, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 106, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 74, negative conditional: 73, negative unconditional: 1, unknown: 26, unknown conditional: 26, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 99, Positive cache size: 75, Positive conditional cache size: 4, Positive unconditional cache size: 71, Negative cache size: 24, Negative conditional cache size: 22, Negative unconditional cache size: 2, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 106, positive: 10, positive conditional: 10, positive unconditional: 0, negative: 96, negative conditional: 95, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 106, positive: 10, positive conditional: 10, positive unconditional: 0, negative: 96, negative conditional: 95, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 28, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 24, negative conditional: 22, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 95, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 90, negative conditional: 53, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 106, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 74, negative conditional: 73, negative unconditional: 1, unknown: 26, unknown conditional: 26, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 99, Positive cache size: 75, Positive conditional cache size: 4, Positive unconditional cache size: 71, Negative cache size: 24, Negative conditional cache size: 22, Negative unconditional cache size: 2, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 106, positive: 10, positive conditional: 10, positive unconditional: 0, negative: 96, negative conditional: 95, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 106, positive: 10, positive conditional: 10, positive unconditional: 0, negative: 96, negative conditional: 95, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 28, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 24, negative conditional: 22, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 95, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 90, negative conditional: 53, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 106, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 74, negative conditional: 73, negative unconditional: 1, unknown: 26, unknown conditional: 26, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 99, Positive cache size: 75, Positive conditional cache size: 4, Positive unconditional cache size: 71, Negative cache size: 24, Negative conditional cache size: 22, Negative unconditional cache size: 2, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 106, positive: 10, positive conditional: 10, positive unconditional: 0, negative: 96, negative conditional: 95, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 106, positive: 10, positive conditional: 10, positive unconditional: 0, negative: 96, negative conditional: 95, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 28, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 24, negative conditional: 22, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 95, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 90, negative conditional: 53, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 106, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 74, negative conditional: 73, negative unconditional: 1, unknown: 26, unknown conditional: 26, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 99, Positive cache size: 75, Positive conditional cache size: 4, Positive unconditional cache size: 71, Negative cache size: 24, Negative conditional cache size: 22, Negative unconditional cache size: 2, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 106, positive: 10, positive conditional: 10, positive unconditional: 0, negative: 96, negative conditional: 95, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 106, positive: 10, positive conditional: 10, positive unconditional: 0, negative: 96, negative conditional: 95, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 28, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 24, negative conditional: 22, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 95, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 90, negative conditional: 53, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 106, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 74, negative conditional: 73, negative unconditional: 1, unknown: 26, unknown conditional: 26, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 99, Positive cache size: 75, Positive conditional cache size: 4, Positive unconditional cache size: 71, Negative cache size: 24, Negative conditional cache size: 22, Negative unconditional cache size: 2, Eliminated conditions: 0 ], Maximal queried relation: 6, Independence queries for same thread: 182 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 130, Number of persistent set computation: 940, Number of trivial persistent sets: 821, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 849, positive: 653, positive conditional: 584, positive unconditional: 69, negative: 196, negative conditional: 195, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 667, positive: 653, positive conditional: 584, positive unconditional: 69, negative: 14, negative conditional: 13, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 667, positive: 643, positive conditional: 0, positive unconditional: 643, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 73, positive: 71, positive conditional: 0, positive unconditional: 71, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 73, positive: 71, positive conditional: 0, positive unconditional: 71, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 28, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 24, negative conditional: 22, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 95, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 90, negative conditional: 53, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 667, positive: 572, positive conditional: 0, positive unconditional: 572, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 73, unknown conditional: 0, unknown unconditional: 73] , Statistics on independence cache: Total cache size (in pairs): 99, Positive cache size: 75, Positive conditional cache size: 4, Positive unconditional cache size: 71, Negative cache size: 24, Negative conditional cache size: 22, Negative unconditional cache size: 2, SemanticConditionEliminator.Independence Queries: [ total: 106, positive: 10, positive conditional: 10, positive unconditional: 0, negative: 96, negative conditional: 95, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 106, positive: 10, positive conditional: 10, positive unconditional: 0, negative: 96, negative conditional: 95, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 28, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 24, negative conditional: 22, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 95, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 90, negative conditional: 53, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 106, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 74, negative conditional: 73, negative unconditional: 1, unknown: 26, unknown conditional: 26, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 99, Positive cache size: 75, Positive conditional cache size: 4, Positive unconditional cache size: 71, Negative cache size: 24, Negative conditional cache size: 22, Negative unconditional cache size: 2, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 106, positive: 10, positive conditional: 10, positive unconditional: 0, negative: 96, negative conditional: 95, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 106, positive: 10, positive conditional: 10, positive unconditional: 0, negative: 96, negative conditional: 95, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 28, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 24, negative conditional: 22, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 95, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 90, negative conditional: 53, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 106, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 74, negative conditional: 73, negative unconditional: 1, unknown: 26, unknown conditional: 26, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 99, Positive cache size: 75, Positive conditional cache size: 4, Positive unconditional cache size: 71, Negative cache size: 24, Negative conditional cache size: 22, Negative unconditional cache size: 2, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 106, positive: 10, positive conditional: 10, positive unconditional: 0, negative: 96, negative conditional: 95, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 106, positive: 10, positive conditional: 10, positive unconditional: 0, negative: 96, negative conditional: 95, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 28, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 24, negative conditional: 22, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 95, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 90, negative conditional: 53, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 106, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 74, negative conditional: 73, negative unconditional: 1, unknown: 26, unknown conditional: 26, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 99, Positive cache size: 75, Positive conditional cache size: 4, Positive unconditional cache size: 71, Negative cache size: 24, Negative conditional cache size: 22, Negative unconditional cache size: 2, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 106, positive: 10, positive conditional: 10, positive unconditional: 0, negative: 96, negative conditional: 95, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 106, positive: 10, positive conditional: 10, positive unconditional: 0, negative: 96, negative conditional: 95, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 28, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 24, negative conditional: 22, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 95, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 90, negative conditional: 53, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 106, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 74, negative conditional: 73, negative unconditional: 1, unknown: 26, unknown conditional: 26, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 99, Positive cache size: 75, Positive conditional cache size: 4, Positive unconditional cache size: 71, Negative cache size: 24, Negative conditional cache size: 22, Negative unconditional cache size: 2, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 106, positive: 10, positive conditional: 10, positive unconditional: 0, negative: 96, negative conditional: 95, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 106, positive: 10, positive conditional: 10, positive unconditional: 0, negative: 96, negative conditional: 95, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 28, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 24, negative conditional: 22, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 95, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 90, negative conditional: 53, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 106, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 74, negative conditional: 73, negative unconditional: 1, unknown: 26, unknown conditional: 26, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 99, Positive cache size: 75, Positive conditional cache size: 4, Positive unconditional cache size: 71, Negative cache size: 24, Negative conditional cache size: 22, Negative unconditional cache size: 2, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 106, positive: 10, positive conditional: 10, positive unconditional: 0, negative: 96, negative conditional: 95, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 106, positive: 10, positive conditional: 10, positive unconditional: 0, negative: 96, negative conditional: 95, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 28, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 24, negative conditional: 22, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 95, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 90, negative conditional: 53, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 106, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 74, negative conditional: 73, negative unconditional: 1, unknown: 26, unknown conditional: 26, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 99, Positive cache size: 75, Positive conditional cache size: 4, Positive unconditional cache size: 71, Negative cache size: 24, Negative conditional cache size: 22, Negative unconditional cache size: 2, Eliminated conditions: 0 ], Maximal queried relation: 6, Independence queries for same thread: 182 - PositiveResult [Line: 50]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 32 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 6245.6ms, OverallIterations: 6, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 6.5ms, PartialOrderReductionTime: 3315.8ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 112, 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: 18.0ms SsaConstructionTime, 95.1ms SatisfiabilityAnalysisTime, 1675.6ms InterpolantComputationTime, 222 NumberOfCodeBlocks, 222 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 212 ConstructedInterpolants, 0 QuantifiedInterpolants, 2063 SizeOfPredicates, 15 NumberOfNonLiveVariables, 197 ConjunctsInSsa, 85 ConjunctsInUnsatCore, 10 InterpolantComputations, 2 PerfectInterpolantSequences, 13/88 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...