/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.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/bakery-2.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-10 11:14:04,481 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-10 11:14:04,483 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-10 11:14:04,514 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-10 11:14:04,514 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-10 11:14:04,517 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-10 11:14:04,518 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-10 11:14:04,522 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-10 11:14:04,524 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-10 11:14:04,527 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-10 11:14:04,527 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-10 11:14:04,528 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-10 11:14:04,528 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-10 11:14:04,530 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-10 11:14:04,531 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-10 11:14:04,531 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-10 11:14:04,533 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-10 11:14:04,534 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-10 11:14:04,535 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-10 11:14:04,539 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-10 11:14:04,540 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-10 11:14:04,541 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-10 11:14:04,542 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-10 11:14:04,543 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-10 11:14:04,548 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-07-10 11:14:04,555 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-10 11:14:04,556 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-10 11:14:04,556 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-10 11:14:04,559 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.epf [2021-07-10 11:14:04,596 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-10 11:14:04,596 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-10 11:14:04,596 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-10 11:14:04,597 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-10 11:14:04,598 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-10 11:14:04,598 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-10 11:14:04,599 INFO L138 SettingsManager]: * Use SBE=true [2021-07-10 11:14:04,599 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-10 11:14:04,599 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-10 11:14:04,599 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-10 11:14:04,600 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-10 11:14:04,600 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-10 11:14:04,600 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-10 11:14:04,600 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-10 11:14:04,600 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-10 11:14:04,600 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-10 11:14:04,600 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-10 11:14:04,600 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-10 11:14:04,600 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-10 11:14:04,601 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-10 11:14:04,601 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-10 11:14:04,601 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-10 11:14:04,601 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-10 11:14:04,601 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 11:14:04,601 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-10 11:14:04,601 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-10 11:14:04,601 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-10 11:14:04,601 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-10 11:14:04,601 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-10 11:14:04,602 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-10 11:14:04,602 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-10 11:14:04,602 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-10 11:14:04,602 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-10 11:14:04,602 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-10 11:14:04,835 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-10 11:14:04,851 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-10 11:14:04,853 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-10 11:14:04,853 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-10 11:14:04,855 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-10 11:14:04,856 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/bakery-2.wvr.bpl [2021-07-10 11:14:04,856 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/bakery-2.wvr.bpl' [2021-07-10 11:14:04,873 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-10 11:14:04,874 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-10 11:14:04,875 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-10 11:14:04,875 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-10 11:14:04,875 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-10 11:14:04,885 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bakery-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 11:14:04" (1/1) ... [2021-07-10 11:14:04,891 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bakery-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 11:14:04" (1/1) ... [2021-07-10 11:14:04,896 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-10 11:14:04,905 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-10 11:14:04,905 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-10 11:14:04,905 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-10 11:14:04,911 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bakery-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 11:14:04" (1/1) ... [2021-07-10 11:14:04,911 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bakery-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 11:14:04" (1/1) ... [2021-07-10 11:14:04,912 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bakery-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 11:14:04" (1/1) ... [2021-07-10 11:14:04,912 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bakery-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 11:14:04" (1/1) ... [2021-07-10 11:14:04,915 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bakery-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 11:14:04" (1/1) ... [2021-07-10 11:14:04,916 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bakery-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 11:14:04" (1/1) ... [2021-07-10 11:14:04,917 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bakery-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 11:14:04" (1/1) ... [2021-07-10 11:14:04,920 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-10 11:14:04,922 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-10 11:14:04,922 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-10 11:14:04,923 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-10 11:14:04,923 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bakery-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 11:14:04" (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 [2021-07-10 11:14:04,969 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-10 11:14:04,969 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-10 11:14:04,969 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-10 11:14:04,969 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-10 11:14:04,969 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-10 11:14:04,969 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-10 11:14:04,969 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-10 11:14:04,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-10 11:14:04,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-10 11:14:04,970 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-10 11:14:05,143 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-10 11:14:05,144 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-10 11:14:05,145 INFO L202 PluginConnector]: Adding new model bakery-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 11:14:05 BoogieIcfgContainer [2021-07-10 11:14:05,145 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-10 11:14:05,146 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-10 11:14:05,146 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-10 11:14:05,148 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-10 11:14:05,148 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bakery-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 11:14:04" (1/2) ... [2021-07-10 11:14:05,149 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@559aa165 and model type bakery-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 11:14:05, skipping insertion in model container [2021-07-10 11:14:05,149 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bakery-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 11:14:05" (2/2) ... [2021-07-10 11:14:05,150 INFO L111 eAbstractionObserver]: Analyzing ICFG bakery-2.wvr.bpl [2021-07-10 11:14:05,171 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-10 11:14:05,171 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-10 11:14:05,171 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-10 11:14:05,172 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-10 11:14:05,246 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-10 11:14:05,262 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 [2021-07-10 11:14:05,301 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 11:14:05,301 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 11:14:05,301 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 11:14:05,301 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 11:14:05,301 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 11:14:05,301 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 11:14:05,301 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 11:14:05,302 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-10 11:14:05,441 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:14:05,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:14:05,445 INFO L82 PathProgramCache]: Analyzing trace with hash 1828392468, now seen corresponding path program 1 times [2021-07-10 11:14:05,451 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:14:05,452 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931810058] [2021-07-10 11:14:05,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:14:05,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:14:05,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:14:05,670 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:14:05,671 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931810058] [2021-07-10 11:14:05,672 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1931810058] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 11:14:05,672 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 11:14:05,672 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-10 11:14:05,673 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54365193] [2021-07-10 11:14:05,676 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-10 11:14:05,676 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:14:05,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-10 11:14:05,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-07-10 11:14:05,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:14:05,687 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:14:05,688 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 6 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 11:14:05,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:14:05,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 11:14:05,791 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-10 11:14:05,791 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:14:05,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:14:05,794 INFO L82 PathProgramCache]: Analyzing trace with hash -987980226, now seen corresponding path program 2 times [2021-07-10 11:14:05,794 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:14:05,794 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034047492] [2021-07-10 11:14:05,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:14:05,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:14:05,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:14:05,849 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:14:05,849 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034047492] [2021-07-10 11:14:05,849 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1034047492] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 11:14:05,849 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 11:14:05,850 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-10 11:14:05,850 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009562534] [2021-07-10 11:14:05,851 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-10 11:14:05,851 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:14:05,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-10 11:14:05,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-07-10 11:14:05,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:14:05,851 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:14:05,852 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 11:14:05,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 11:14:05,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:14:05,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 11:14:05,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 11:14:05,923 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-10 11:14:05,923 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:14:05,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:14:05,924 INFO L82 PathProgramCache]: Analyzing trace with hash 1865105248, now seen corresponding path program 3 times [2021-07-10 11:14:05,924 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:14:05,924 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021342460] [2021-07-10 11:14:05,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:14:05,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:14:05,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:14:05,938 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:14:05,938 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021342460] [2021-07-10 11:14:05,938 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2021342460] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 11:14:05,938 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 11:14:05,938 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-10 11:14:05,939 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693584741] [2021-07-10 11:14:05,939 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-10 11:14:05,939 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:14:05,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-10 11:14:05,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-10 11:14:05,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:14:05,940 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:14:05,940 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 11:14:05,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 11:14:05,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 11:14:05,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:14:05,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 11:14:05,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 11:14:05,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:14:05,953 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-10 11:14:05,953 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:14:05,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:14:05,953 INFO L82 PathProgramCache]: Analyzing trace with hash -1277879934, now seen corresponding path program 4 times [2021-07-10 11:14:05,953 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:14:05,953 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175361783] [2021-07-10 11:14:05,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:14:05,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:14:06,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:14:06,011 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:14:06,011 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175361783] [2021-07-10 11:14:06,011 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [175361783] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 11:14:06,011 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 11:14:06,011 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-10 11:14:06,012 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489841027] [2021-07-10 11:14:06,012 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-10 11:14:06,012 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:14:06,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-10 11:14:06,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-07-10 11:14:06,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:14:06,013 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:14:06,013 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 11:14:06,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 11:14:06,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 11:14:06,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:14:06,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:14:06,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 11:14:06,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 11:14:06,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:14:06,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:14:06,076 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-07-10 11:14:06,077 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:14:06,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:14:06,079 INFO L82 PathProgramCache]: Analyzing trace with hash 282500260, now seen corresponding path program 5 times [2021-07-10 11:14:06,079 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:14:06,080 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018271777] [2021-07-10 11:14:06,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:14:06,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:14:06,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:14:06,136 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:14:06,136 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018271777] [2021-07-10 11:14:06,136 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1018271777] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 11:14:06,136 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 11:14:06,136 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-10 11:14:06,137 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724228995] [2021-07-10 11:14:06,137 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-10 11:14:06,137 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:14:06,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-10 11:14:06,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-10 11:14:06,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:14:06,137 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:14:06,138 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 11:14:06,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 11:14:06,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 11:14:06,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:14:06,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:14:06,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:14:06,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 11:14:06,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 11:14:06,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:14:06,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:14:06,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:14:06,156 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-07-10 11:14:06,156 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:14:06,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:14:06,156 INFO L82 PathProgramCache]: Analyzing trace with hash 1145373108, now seen corresponding path program 6 times [2021-07-10 11:14:06,156 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:14:06,157 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871442283] [2021-07-10 11:14:06,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:14:06,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:14:06,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:14:06,202 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:14:06,202 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871442283] [2021-07-10 11:14:06,202 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871442283] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 11:14:06,202 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 11:14:06,202 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-10 11:14:06,202 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493268915] [2021-07-10 11:14:06,203 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-10 11:14:06,203 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:14:06,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-10 11:14:06,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-07-10 11:14:06,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:14:06,204 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:14:06,204 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 11:14:06,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 11:14:06,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 11:14:06,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:14:06,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:14:06,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:14:06,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:14:06,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 11:14:06,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 11:14:06,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:14:06,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:14:06,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:14:06,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 11:14:06,257 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-07-10 11:14:06,257 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:14:06,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:14:06,257 INFO L82 PathProgramCache]: Analyzing trace with hash -1482111752, now seen corresponding path program 7 times [2021-07-10 11:14:06,258 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:14:06,258 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834812481] [2021-07-10 11:14:06,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:14:06,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:14:06,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:14:06,303 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:14:06,303 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834812481] [2021-07-10 11:14:06,303 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [834812481] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 11:14:06,303 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 11:14:06,303 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-10 11:14:06,303 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779744981] [2021-07-10 11:14:06,304 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-10 11:14:06,304 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:14:06,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-10 11:14:06,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-07-10 11:14:06,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:14:06,304 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:14:06,304 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 6 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 11:14:06,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 11:14:06,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 11:14:06,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:14:06,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:14:06,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:14:06,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 11:14:06,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:14:06,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 11:14:06,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 11:14:06,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:14:06,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:14:06,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:14:06,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 11:14:06,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:14:06,388 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-07-10 11:14:06,406 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-10 11:14:06,408 INFO L202 PluginConnector]: Adding new model bakery-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.07 11:14:06 BasicIcfg [2021-07-10 11:14:06,408 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-10 11:14:06,409 INFO L168 Benchmark]: Toolchain (without parser) took 1534.94 ms. Allocated memory is still 184.5 MB. Free memory was 165.0 MB in the beginning and 109.5 MB in the end (delta: 55.5 MB). Peak memory consumption was 55.0 MB. Max. memory is 8.0 GB. [2021-07-10 11:14:06,409 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 184.5 MB. Free memory is still 166.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-10 11:14:06,409 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.01 ms. Allocated memory is still 184.5 MB. Free memory was 164.9 MB in the beginning and 163.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-10 11:14:06,409 INFO L168 Benchmark]: Boogie Preprocessor took 16.46 ms. Allocated memory is still 184.5 MB. Free memory was 163.4 MB in the beginning and 162.4 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-10 11:14:06,410 INFO L168 Benchmark]: RCFGBuilder took 222.98 ms. Allocated memory is still 184.5 MB. Free memory was 162.4 MB in the beginning and 151.3 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-07-10 11:14:06,410 INFO L168 Benchmark]: TraceAbstraction took 1262.03 ms. Allocated memory is still 184.5 MB. Free memory was 150.9 MB in the beginning and 109.5 MB in the end (delta: 41.4 MB). Peak memory consumption was 41.3 MB. Max. memory is 8.0 GB. [2021-07-10 11:14:06,411 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 184.5 MB. Free memory is still 166.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 22.01 ms. Allocated memory is still 184.5 MB. Free memory was 164.9 MB in the beginning and 163.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 16.46 ms. Allocated memory is still 184.5 MB. Free memory was 163.4 MB in the beginning and 162.4 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 222.98 ms. Allocated memory is still 184.5 MB. Free memory was 162.4 MB in the beginning and 151.3 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1262.03 ms. Allocated memory is still 184.5 MB. Free memory was 150.9 MB in the beginning and 109.5 MB in the end (delta: 41.4 MB). Peak memory consumption was 41.3 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: 1175, positive: 1054, positive conditional: 493, positive unconditional: 561, negative: 121, negative conditional: 53, negative unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 1175, positive: 1054, positive conditional: 493, positive unconditional: 561, negative: 121, negative conditional: 53, negative unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 1175, positive: 1047, positive conditional: 0, positive unconditional: 1047, negative: 128, negative conditional: 0, negative unconditional: 128, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 302, positive: 275, positive conditional: 0, positive unconditional: 275, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 302, positive: 266, positive conditional: 0, positive unconditional: 266, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 36, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 55, positive: 11, positive conditional: 2, positive unconditional: 9, negative: 44, negative conditional: 17, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 159, positive: 25, positive conditional: 2, positive unconditional: 23, negative: 134, negative conditional: 34, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1175, positive: 772, positive conditional: 0, positive unconditional: 772, negative: 101, negative conditional: 0, negative unconditional: 101, unknown: 302, unknown conditional: 0, unknown unconditional: 302] , Statistics on independence cache: Total cache size (in pairs): 321, Positive cache size: 277, Positive conditional cache size: 2, Positive unconditional cache size: 275, Negative cache size: 44, Negative conditional cache size: 17, Negative unconditional cache size: 27, SemanticConditionEliminator.Independence Queries: [ total: 454, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 447, negative conditional: 68, negative unconditional: 379, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 454, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 447, negative conditional: 68, negative unconditional: 379, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 55, positive: 11, positive conditional: 2, positive unconditional: 9, negative: 44, negative conditional: 17, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 159, positive: 25, positive conditional: 2, positive unconditional: 23, negative: 134, negative conditional: 34, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 454, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 430, negative conditional: 51, negative unconditional: 379, unknown: 19, unknown conditional: 19, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 321, Positive cache size: 277, Positive conditional cache size: 2, Positive unconditional cache size: 275, Negative cache size: 44, Negative conditional cache size: 17, Negative unconditional cache size: 27, Eliminated conditions: 183, SemanticConditionEliminator.Independence Queries: [ total: 454, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 447, negative conditional: 68, negative unconditional: 379, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 454, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 447, negative conditional: 68, negative unconditional: 379, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 55, positive: 11, positive conditional: 2, positive unconditional: 9, negative: 44, negative conditional: 17, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 159, positive: 25, positive conditional: 2, positive unconditional: 23, negative: 134, negative conditional: 34, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 454, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 430, negative conditional: 51, negative unconditional: 379, unknown: 19, unknown conditional: 19, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 321, Positive cache size: 277, Positive conditional cache size: 2, Positive unconditional cache size: 275, Negative cache size: 44, Negative conditional cache size: 17, Negative unconditional cache size: 27, Eliminated conditions: 183, SemanticConditionEliminator.Independence Queries: [ total: 454, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 447, negative conditional: 68, negative unconditional: 379, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 454, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 447, negative conditional: 68, negative unconditional: 379, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 55, positive: 11, positive conditional: 2, positive unconditional: 9, negative: 44, negative conditional: 17, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 159, positive: 25, positive conditional: 2, positive unconditional: 23, negative: 134, negative conditional: 34, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 454, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 430, negative conditional: 51, negative unconditional: 379, unknown: 19, unknown conditional: 19, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 321, Positive cache size: 277, Positive conditional cache size: 2, Positive unconditional cache size: 275, Negative cache size: 44, Negative conditional cache size: 17, Negative unconditional cache size: 27, Eliminated conditions: 183, SemanticConditionEliminator.Independence Queries: [ total: 454, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 447, negative conditional: 68, negative unconditional: 379, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 454, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 447, negative conditional: 68, negative unconditional: 379, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 55, positive: 11, positive conditional: 2, positive unconditional: 9, negative: 44, negative conditional: 17, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 159, positive: 25, positive conditional: 2, positive unconditional: 23, negative: 134, negative conditional: 34, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 454, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 430, negative conditional: 51, negative unconditional: 379, unknown: 19, unknown conditional: 19, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 321, Positive cache size: 277, Positive conditional cache size: 2, Positive unconditional cache size: 275, Negative cache size: 44, Negative conditional cache size: 17, Negative unconditional cache size: 27, Eliminated conditions: 183, SemanticConditionEliminator.Independence Queries: [ total: 454, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 447, negative conditional: 68, negative unconditional: 379, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 454, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 447, negative conditional: 68, negative unconditional: 379, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 55, positive: 11, positive conditional: 2, positive unconditional: 9, negative: 44, negative conditional: 17, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 159, positive: 25, positive conditional: 2, positive unconditional: 23, negative: 134, negative conditional: 34, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 454, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 430, negative conditional: 51, negative unconditional: 379, unknown: 19, unknown conditional: 19, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 321, Positive cache size: 277, Positive conditional cache size: 2, Positive unconditional cache size: 275, Negative cache size: 44, Negative conditional cache size: 17, Negative unconditional cache size: 27, Eliminated conditions: 183, SemanticConditionEliminator.Independence Queries: [ total: 454, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 447, negative conditional: 68, negative unconditional: 379, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 454, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 447, negative conditional: 68, negative unconditional: 379, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 55, positive: 11, positive conditional: 2, positive unconditional: 9, negative: 44, negative conditional: 17, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 159, positive: 25, positive conditional: 2, positive unconditional: 23, negative: 134, negative conditional: 34, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 454, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 430, negative conditional: 51, negative unconditional: 379, unknown: 19, unknown conditional: 19, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 321, Positive cache size: 277, Positive conditional cache size: 2, Positive unconditional cache size: 275, Negative cache size: 44, Negative conditional cache size: 17, Negative unconditional cache size: 27, Eliminated conditions: 183, SemanticConditionEliminator.Independence Queries: [ total: 454, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 447, negative conditional: 68, negative unconditional: 379, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 454, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 447, negative conditional: 68, negative unconditional: 379, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 55, positive: 11, positive conditional: 2, positive unconditional: 9, negative: 44, negative conditional: 17, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 159, positive: 25, positive conditional: 2, positive unconditional: 23, negative: 134, negative conditional: 34, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 454, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 430, negative conditional: 51, negative unconditional: 379, unknown: 19, unknown conditional: 19, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 321, Positive cache size: 277, Positive conditional cache size: 2, Positive unconditional cache size: 275, Negative cache size: 44, Negative conditional cache size: 17, Negative unconditional cache size: 27, Eliminated conditions: 183 ], Maximal queried relation: 7, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 168, Number of persistent set computation: 95, Number of trivial persistent sets: 56, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1175, positive: 1054, positive conditional: 493, positive unconditional: 561, negative: 121, negative conditional: 53, negative unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 1175, positive: 1054, positive conditional: 493, positive unconditional: 561, negative: 121, negative conditional: 53, negative unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 1175, positive: 1047, positive conditional: 0, positive unconditional: 1047, negative: 128, negative conditional: 0, negative unconditional: 128, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 302, positive: 275, positive conditional: 0, positive unconditional: 275, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 302, positive: 266, positive conditional: 0, positive unconditional: 266, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 36, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 55, positive: 11, positive conditional: 2, positive unconditional: 9, negative: 44, negative conditional: 17, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 159, positive: 25, positive conditional: 2, positive unconditional: 23, negative: 134, negative conditional: 34, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1175, positive: 772, positive conditional: 0, positive unconditional: 772, negative: 101, negative conditional: 0, negative unconditional: 101, unknown: 302, unknown conditional: 0, unknown unconditional: 302] , Statistics on independence cache: Total cache size (in pairs): 321, Positive cache size: 277, Positive conditional cache size: 2, Positive unconditional cache size: 275, Negative cache size: 44, Negative conditional cache size: 17, Negative unconditional cache size: 27, SemanticConditionEliminator.Independence Queries: [ total: 454, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 447, negative conditional: 68, negative unconditional: 379, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 454, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 447, negative conditional: 68, negative unconditional: 379, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 55, positive: 11, positive conditional: 2, positive unconditional: 9, negative: 44, negative conditional: 17, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 159, positive: 25, positive conditional: 2, positive unconditional: 23, negative: 134, negative conditional: 34, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 454, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 430, negative conditional: 51, negative unconditional: 379, unknown: 19, unknown conditional: 19, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 321, Positive cache size: 277, Positive conditional cache size: 2, Positive unconditional cache size: 275, Negative cache size: 44, Negative conditional cache size: 17, Negative unconditional cache size: 27, Eliminated conditions: 183, SemanticConditionEliminator.Independence Queries: [ total: 454, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 447, negative conditional: 68, negative unconditional: 379, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 454, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 447, negative conditional: 68, negative unconditional: 379, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 55, positive: 11, positive conditional: 2, positive unconditional: 9, negative: 44, negative conditional: 17, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 159, positive: 25, positive conditional: 2, positive unconditional: 23, negative: 134, negative conditional: 34, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 454, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 430, negative conditional: 51, negative unconditional: 379, unknown: 19, unknown conditional: 19, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 321, Positive cache size: 277, Positive conditional cache size: 2, Positive unconditional cache size: 275, Negative cache size: 44, Negative conditional cache size: 17, Negative unconditional cache size: 27, Eliminated conditions: 183, SemanticConditionEliminator.Independence Queries: [ total: 454, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 447, negative conditional: 68, negative unconditional: 379, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 454, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 447, negative conditional: 68, negative unconditional: 379, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 55, positive: 11, positive conditional: 2, positive unconditional: 9, negative: 44, negative conditional: 17, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 159, positive: 25, positive conditional: 2, positive unconditional: 23, negative: 134, negative conditional: 34, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 454, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 430, negative conditional: 51, negative unconditional: 379, unknown: 19, unknown conditional: 19, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 321, Positive cache size: 277, Positive conditional cache size: 2, Positive unconditional cache size: 275, Negative cache size: 44, Negative conditional cache size: 17, Negative unconditional cache size: 27, Eliminated conditions: 183, SemanticConditionEliminator.Independence Queries: [ total: 454, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 447, negative conditional: 68, negative unconditional: 379, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 454, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 447, negative conditional: 68, negative unconditional: 379, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 55, positive: 11, positive conditional: 2, positive unconditional: 9, negative: 44, negative conditional: 17, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 159, positive: 25, positive conditional: 2, positive unconditional: 23, negative: 134, negative conditional: 34, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 454, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 430, negative conditional: 51, negative unconditional: 379, unknown: 19, unknown conditional: 19, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 321, Positive cache size: 277, Positive conditional cache size: 2, Positive unconditional cache size: 275, Negative cache size: 44, Negative conditional cache size: 17, Negative unconditional cache size: 27, Eliminated conditions: 183, SemanticConditionEliminator.Independence Queries: [ total: 454, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 447, negative conditional: 68, negative unconditional: 379, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 454, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 447, negative conditional: 68, negative unconditional: 379, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 55, positive: 11, positive conditional: 2, positive unconditional: 9, negative: 44, negative conditional: 17, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 159, positive: 25, positive conditional: 2, positive unconditional: 23, negative: 134, negative conditional: 34, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 454, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 430, negative conditional: 51, negative unconditional: 379, unknown: 19, unknown conditional: 19, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 321, Positive cache size: 277, Positive conditional cache size: 2, Positive unconditional cache size: 275, Negative cache size: 44, Negative conditional cache size: 17, Negative unconditional cache size: 27, Eliminated conditions: 183, SemanticConditionEliminator.Independence Queries: [ total: 454, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 447, negative conditional: 68, negative unconditional: 379, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 454, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 447, negative conditional: 68, negative unconditional: 379, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 55, positive: 11, positive conditional: 2, positive unconditional: 9, negative: 44, negative conditional: 17, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 159, positive: 25, positive conditional: 2, positive unconditional: 23, negative: 134, negative conditional: 34, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 454, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 430, negative conditional: 51, negative unconditional: 379, unknown: 19, unknown conditional: 19, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 321, Positive cache size: 277, Positive conditional cache size: 2, Positive unconditional cache size: 275, Negative cache size: 44, Negative conditional cache size: 17, Negative unconditional cache size: 27, Eliminated conditions: 183, SemanticConditionEliminator.Independence Queries: [ total: 454, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 447, negative conditional: 68, negative unconditional: 379, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 454, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 447, negative conditional: 68, negative unconditional: 379, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 55, positive: 11, positive conditional: 2, positive unconditional: 9, negative: 44, negative conditional: 17, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 159, positive: 25, positive conditional: 2, positive unconditional: 23, negative: 134, negative conditional: 34, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 454, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 430, negative conditional: 51, negative unconditional: 379, unknown: 19, unknown conditional: 19, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 321, Positive cache size: 277, Positive conditional cache size: 2, Positive unconditional cache size: 275, Negative cache size: 44, Negative conditional cache size: 17, Negative unconditional cache size: 27, Eliminated conditions: 183 ], Maximal queried relation: 7, Independence queries for same thread: 0 - PositiveResult [Line: 54]: 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, 56 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1131.6ms, OverallIterations: 7, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 10.0ms, PartialOrderReductionTime: 530.8ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 38, 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: 17.0ms SsaConstructionTime, 65.9ms SatisfiabilityAnalysisTime, 354.4ms InterpolantComputationTime, 189 NumberOfCodeBlocks, 189 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 182 ConstructedInterpolants, 0 QuantifiedInterpolants, 827 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...