/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/parallel/misc-4.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3 [2021-06-17 13:15:40,861 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-17 13:15:40,863 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-17 13:15:40,895 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-17 13:15:40,938 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-17 13:15:40,940 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-17 13:15:40,941 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-17 13:15:40,942 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-17 13:15:40,944 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-17 13:15:40,945 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-17 13:15:40,947 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-17 13:15:40,951 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-17 13:15:40,951 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-17 13:15:40,952 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-17 13:15:40,953 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-17 13:15:40,955 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-17 13:15:40,959 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-17 13:15:40,972 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 13:15:41,083 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-17 13:15:41,083 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-17 13:15:41,083 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-17 13:15:41,083 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-17 13:15:41,086 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-17 13:15:41,086 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-17 13:15:41,086 INFO L138 SettingsManager]: * Use SBE=true [2021-06-17 13:15:41,086 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-17 13:15:41,086 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-17 13:15:41,087 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-17 13:15:41,087 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-17 13:15:41,087 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-17 13:15:41,087 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-17 13:15:41,088 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-17 13:15:41,088 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-17 13:15:41,088 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-17 13:15:41,088 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-17 13:15:41,088 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-17 13:15:41,088 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-17 13:15:41,088 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-17 13:15:41,088 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-17 13:15:41,088 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-17 13:15:41,089 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-17 13:15:41,089 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-17 13:15:41,089 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-17 13:15:41,089 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-17 13:15:41,089 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-17 13:15:41,089 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-17 13:15:41,089 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-17 13:15:41,089 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-17 13:15:41,089 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-17 13:15:41,090 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-17 13:15:41,090 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-17 13:15:41,090 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-06-17 13:15:41,090 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-17 13:15:41,090 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-17 13:15:41,372 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-17 13:15:41,394 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-17 13:15:41,396 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-17 13:15:41,397 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-17 13:15:41,398 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-17 13:15:41,399 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-4.wvr.bpl [2021-06-17 13:15:41,399 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-4.wvr.bpl' [2021-06-17 13:15:41,430 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-17 13:15:41,431 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-17 13:15:41,432 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-17 13:15:41,432 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-17 13:15:41,432 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-17 13:15:41,441 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 01:15:41" (1/1) ... [2021-06-17 13:15:41,447 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 01:15:41" (1/1) ... [2021-06-17 13:15:41,453 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-17 13:15:41,454 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-17 13:15:41,454 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-17 13:15:41,454 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-17 13:15:41,459 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 01:15:41" (1/1) ... [2021-06-17 13:15:41,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 01:15:41" (1/1) ... [2021-06-17 13:15:41,460 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 01:15:41" (1/1) ... [2021-06-17 13:15:41,460 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 01:15:41" (1/1) ... [2021-06-17 13:15:41,462 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 01:15:41" (1/1) ... [2021-06-17 13:15:41,466 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 01:15:41" (1/1) ... [2021-06-17 13:15:41,466 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 01:15:41" (1/1) ... [2021-06-17 13:15:41,467 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-17 13:15:41,468 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-17 13:15:41,468 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-17 13:15:41,468 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-17 13:15:41,469 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 01:15:41" (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 13:15:41,520 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-17 13:15:41,520 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-17 13:15:41,520 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-17 13:15:41,520 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-17 13:15:41,520 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-17 13:15:41,521 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-17 13:15:41,521 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-17 13:15:41,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-17 13:15:41,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-17 13:15:41,521 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-17 13:15:41,521 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-17 13:15:41,521 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-17 13:15:41,522 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 13:15:41,677 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-17 13:15:41,678 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-17 13:15:41,680 INFO L202 PluginConnector]: Adding new model misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.06 01:15:41 BoogieIcfgContainer [2021-06-17 13:15:41,681 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-17 13:15:41,682 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-17 13:15:41,683 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-17 13:15:41,685 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-17 13:15:41,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 01:15:41" (1/2) ... [2021-06-17 13:15:41,686 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f789397 and model type misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.06 01:15:41, skipping insertion in model container [2021-06-17 13:15:41,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.06 01:15:41" (2/2) ... [2021-06-17 13:15:41,692 INFO L111 eAbstractionObserver]: Analyzing ICFG misc-4.wvr.bpl [2021-06-17 13:15:41,696 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-17 13:15:41,696 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-17 13:15:41,696 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-17 13:15:41,697 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-17 13:15:41,763 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-17 13:15:41,802 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 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 13:15:41,850 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-17 13:15:41,851 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-17 13:15:41,851 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-17 13:15:41,851 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-17 13:15:41,851 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-17 13:15:41,851 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-17 13:15:41,851 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-17 13:15:41,851 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-17 13:15:42,107 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:15:42,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:15:42,111 INFO L82 PathProgramCache]: Analyzing trace with hash 1831880772, now seen corresponding path program 1 times [2021-06-17 13:15:42,119 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:15:42,120 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325526937] [2021-06-17 13:15:42,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:15:42,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:15:42,204 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-17 13:15:42,205 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:15:42,205 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325526937] [2021-06-17 13:15:42,205 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [325526937] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 13:15:42,206 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 13:15:42,206 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-17 13:15:42,206 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407076087] [2021-06-17 13:15:42,209 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-17 13:15:42,209 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:15:42,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-17 13:15:42,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-17 13:15:42,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:15:42,220 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:15:42,221 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 13:15:42,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:15:42,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:15:42,252 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-17 13:15:42,252 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:15:42,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:15:42,253 INFO L82 PathProgramCache]: Analyzing trace with hash 1021712360, now seen corresponding path program 1 times [2021-06-17 13:15:42,253 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:15:42,253 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061516779] [2021-06-17 13:15:42,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:15:42,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:15:42,283 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-17 13:15:42,283 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:15:42,283 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061516779] [2021-06-17 13:15:42,283 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061516779] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 13:15:42,284 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 13:15:42,284 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-17 13:15:42,284 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880028511] [2021-06-17 13:15:42,285 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-17 13:15:42,285 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:15:42,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-17 13:15:42,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-17 13:15:42,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:15:42,286 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:15:42,286 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 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) [2021-06-17 13:15:42,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:15:42,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:15:42,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:15:42,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:15:42,317 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-17 13:15:42,317 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:15:42,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:15:42,317 INFO L82 PathProgramCache]: Analyzing trace with hash -1493146990, now seen corresponding path program 1 times [2021-06-17 13:15:42,317 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:15:42,318 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908418988] [2021-06-17 13:15:42,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:15:42,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:15:42,342 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 22 proven. 5 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-06-17 13:15:42,343 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:15:42,343 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908418988] [2021-06-17 13:15:42,343 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908418988] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:15:42,343 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [449069668] [2021-06-17 13:15:42,343 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 13:15:42,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:15:42,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjunts are in the unsatisfiable core [2021-06-17 13:15:42,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 13:15:42,481 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-06-17 13:15:42,481 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [449069668] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 13:15:42,482 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-06-17 13:15:42,482 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-06-17 13:15:42,482 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347313608] [2021-06-17 13:15:42,482 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-17 13:15:42,482 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:15:42,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-17 13:15:42,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-17 13:15:42,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:15:42,483 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:15:42,483 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 13:15:42,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:15:42,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:15:42,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:15:42,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:15:42,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:15:42,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:15:42,789 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 13:15:42,789 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:15:42,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:15:42,790 INFO L82 PathProgramCache]: Analyzing trace with hash -820609972, now seen corresponding path program 1 times [2021-06-17 13:15:42,790 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:15:42,790 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211663125] [2021-06-17 13:15:42,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:15:42,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:15:42,856 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:15:42,857 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:15:42,858 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211663125] [2021-06-17 13:15:42,858 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211663125] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:15:42,858 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [497239544] [2021-06-17 13:15:42,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-06-17 13:15:42,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:15:42,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-17 13:15:42,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 13:15:42,980 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:15:42,980 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [497239544] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:15:42,980 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 13:15:42,980 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-06-17 13:15:42,981 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846490415] [2021-06-17 13:15:42,981 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-17 13:15:42,981 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:15:42,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-17 13:15:42,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-17 13:15:42,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:15:42,982 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:15:42,982 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 13:15:42,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:15:42,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:15:42,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:15:42,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:15:43,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:15:43,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:15:43,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:15:43,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 13:15:43,312 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 13:15:43,313 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:15:43,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:15:43,313 INFO L82 PathProgramCache]: Analyzing trace with hash -753864138, now seen corresponding path program 2 times [2021-06-17 13:15:43,313 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:15:43,314 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137551504] [2021-06-17 13:15:43,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:15:43,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:15:43,335 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 18 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-06-17 13:15:43,336 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:15:43,336 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137551504] [2021-06-17 13:15:43,336 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137551504] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:15:43,336 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1807894347] [2021-06-17 13:15:43,336 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 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 13:15:43,363 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-17 13:15:43,364 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 13:15:43,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjunts are in the unsatisfiable core [2021-06-17 13:15:43,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 13:15:43,416 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-06-17 13:15:43,416 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1807894347] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 13:15:43,417 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-06-17 13:15:43,417 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [3] total 4 [2021-06-17 13:15:43,417 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729888253] [2021-06-17 13:15:43,417 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-17 13:15:43,417 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:15:43,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-17 13:15:43,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-17 13:15:43,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:15:43,418 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:15:43,418 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 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 13:15:43,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:15:43,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:15:43,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:15:43,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 13:15:43,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:15:43,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:15:43,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:15:43,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:15:43,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 13:15:43,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 13:15:43,697 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 13:15:43,697 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:15:43,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:15:43,697 INFO L82 PathProgramCache]: Analyzing trace with hash -1633186206, now seen corresponding path program 3 times [2021-06-17 13:15:43,698 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:15:43,698 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242646088] [2021-06-17 13:15:43,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:15:43,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:15:43,749 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-06-17 13:15:43,749 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:15:43,749 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242646088] [2021-06-17 13:15:43,749 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242646088] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 13:15:43,749 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 13:15:43,750 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-17 13:15:43,750 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902791481] [2021-06-17 13:15:43,750 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-17 13:15:43,752 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:15:43,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-17 13:15:43,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-17 13:15:43,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:15:43,753 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:15:43,753 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 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 13:15:43,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:15:43,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:15:43,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:15:43,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 13:15:43,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 13:15:43,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:15:43,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:15:43,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:15:43,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:15:43,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 13:15:43,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 13:15:43,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 13:15:43,794 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-17 13:15:43,794 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:15:43,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:15:43,794 INFO L82 PathProgramCache]: Analyzing trace with hash 527658176, now seen corresponding path program 4 times [2021-06-17 13:15:43,794 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:15:43,794 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252973144] [2021-06-17 13:15:43,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:15:43,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:15:43,854 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 14 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-17 13:15:43,854 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:15:43,854 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252973144] [2021-06-17 13:15:43,855 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252973144] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:15:43,855 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1664377478] [2021-06-17 13:15:43,855 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 13:15:43,888 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-17 13:15:43,888 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 13:15:43,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-17 13:15:43,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 13:15:43,985 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 14 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-17 13:15:43,985 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1664377478] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:15:43,985 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 13:15:43,986 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2021-06-17 13:15:43,986 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268333275] [2021-06-17 13:15:43,987 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-17 13:15:43,988 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:15:43,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-17 13:15:43,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-06-17 13:15:43,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:15:43,990 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:15:43,990 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 5 states have internal predecessors, (37), 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 13:15:43,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:15:43,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:15:43,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:15:43,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 13:15:43,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 13:15:43,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 13:15:43,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:15:44,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:15:44,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:15:44,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:15:44,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 13:15:44,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 13:15:44,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 13:15:44,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 13:15:44,460 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-06-17 13:15:44,467 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-17 13:15:44,468 INFO L202 PluginConnector]: Adding new model misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.06 01:15:44 BasicIcfg [2021-06-17 13:15:44,468 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-17 13:15:44,469 INFO L168 Benchmark]: Toolchain (without parser) took 3037.86 ms. Allocated memory was 219.2 MB in the beginning and 323.0 MB in the end (delta: 103.8 MB). Free memory was 198.0 MB in the beginning and 171.7 MB in the end (delta: 26.3 MB). Peak memory consumption was 130.1 MB. Max. memory is 8.0 GB. [2021-06-17 13:15:44,469 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.09 ms. Allocated memory is still 219.2 MB. Free memory is still 199.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-17 13:15:44,469 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.86 ms. Allocated memory is still 219.2 MB. Free memory was 197.9 MB in the beginning and 196.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-17 13:15:44,469 INFO L168 Benchmark]: Boogie Preprocessor took 13.58 ms. Allocated memory is still 219.2 MB. Free memory was 196.5 MB in the beginning and 195.6 MB in the end (delta: 912.2 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-17 13:15:44,469 INFO L168 Benchmark]: RCFGBuilder took 212.43 ms. Allocated memory is still 219.2 MB. Free memory was 195.5 MB in the beginning and 184.3 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-06-17 13:15:44,469 INFO L168 Benchmark]: TraceAbstraction took 2786.27 ms. Allocated memory was 219.2 MB in the beginning and 323.0 MB in the end (delta: 103.8 MB). Free memory was 183.9 MB in the beginning and 171.7 MB in the end (delta: 12.2 MB). Peak memory consumption was 116.5 MB. Max. memory is 8.0 GB. [2021-06-17 13:15:44,470 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 219.2 MB. Free memory is still 199.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 20.86 ms. Allocated memory is still 219.2 MB. Free memory was 197.9 MB in the beginning and 196.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 13.58 ms. Allocated memory is still 219.2 MB. Free memory was 196.5 MB in the beginning and 195.6 MB in the end (delta: 912.2 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 212.43 ms. Allocated memory is still 219.2 MB. Free memory was 195.5 MB in the beginning and 184.3 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2786.27 ms. Allocated memory was 219.2 MB in the beginning and 323.0 MB in the end (delta: 103.8 MB). Free memory was 183.9 MB in the beginning and 171.7 MB in the end (delta: 12.2 MB). Peak memory consumption was 116.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5435, positive: 4523, positive conditional: 4036, positive unconditional: 487, negative: 912, negative conditional: 896, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 4570, positive: 4523, positive conditional: 4036, positive unconditional: 487, negative: 47, negative conditional: 31, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 4570, positive: 4251, positive conditional: 0, positive unconditional: 4251, negative: 319, negative conditional: 0, negative unconditional: 319, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 366, positive: 351, positive conditional: 0, positive unconditional: 351, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 366, positive: 343, positive conditional: 0, positive unconditional: 343, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 23, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 60, positive: 38, positive conditional: 30, positive unconditional: 8, negative: 22, negative conditional: 7, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 227, positive: 110, positive conditional: 67, positive unconditional: 43, negative: 117, negative conditional: 9, negative unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4570, positive: 3900, positive conditional: 0, positive unconditional: 3900, negative: 304, negative conditional: 0, negative unconditional: 304, unknown: 366, unknown conditional: 0, unknown unconditional: 366] , Statistics on independence cache: Total cache size (in pairs): 403, Positive cache size: 381, Positive conditional cache size: 30, Positive unconditional cache size: 351, Negative cache size: 22, Negative conditional cache size: 7, Negative unconditional cache size: 15, SemanticConditionEliminator.Independence Queries: [ total: 1346, positive: 272, positive conditional: 272, positive unconditional: 0, negative: 1074, negative conditional: 126, negative unconditional: 948, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1346, positive: 272, positive conditional: 272, positive unconditional: 0, negative: 1074, negative conditional: 126, negative unconditional: 948, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 60, positive: 38, positive conditional: 30, positive unconditional: 8, negative: 22, negative conditional: 7, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 227, positive: 110, positive conditional: 67, positive unconditional: 43, negative: 117, negative conditional: 9, negative unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1346, positive: 242, positive conditional: 242, positive unconditional: 0, negative: 1067, negative conditional: 119, negative unconditional: 948, unknown: 37, unknown conditional: 37, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 403, Positive cache size: 381, Positive conditional cache size: 30, Positive unconditional cache size: 351, Negative cache size: 22, Negative conditional cache size: 7, Negative unconditional cache size: 15, Eliminated conditions: 924, SemanticConditionEliminator.Independence Queries: [ total: 1346, positive: 272, positive conditional: 272, positive unconditional: 0, negative: 1074, negative conditional: 126, negative unconditional: 948, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1346, positive: 272, positive conditional: 272, positive unconditional: 0, negative: 1074, negative conditional: 126, negative unconditional: 948, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 60, positive: 38, positive conditional: 30, positive unconditional: 8, negative: 22, negative conditional: 7, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 227, positive: 110, positive conditional: 67, positive unconditional: 43, negative: 117, negative conditional: 9, negative unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1346, positive: 242, positive conditional: 242, positive unconditional: 0, negative: 1067, negative conditional: 119, negative unconditional: 948, unknown: 37, unknown conditional: 37, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 403, Positive cache size: 381, Positive conditional cache size: 30, Positive unconditional cache size: 351, Negative cache size: 22, Negative conditional cache size: 7, Negative unconditional cache size: 15, Eliminated conditions: 924, SemanticConditionEliminator.Independence Queries: [ total: 1346, positive: 272, positive conditional: 272, positive unconditional: 0, negative: 1074, negative conditional: 126, negative unconditional: 948, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1346, positive: 272, positive conditional: 272, positive unconditional: 0, negative: 1074, negative conditional: 126, negative unconditional: 948, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 60, positive: 38, positive conditional: 30, positive unconditional: 8, negative: 22, negative conditional: 7, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 227, positive: 110, positive conditional: 67, positive unconditional: 43, negative: 117, negative conditional: 9, negative unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1346, positive: 242, positive conditional: 242, positive unconditional: 0, negative: 1067, negative conditional: 119, negative unconditional: 948, unknown: 37, unknown conditional: 37, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 403, Positive cache size: 381, Positive conditional cache size: 30, Positive unconditional cache size: 351, Negative cache size: 22, Negative conditional cache size: 7, Negative unconditional cache size: 15, Eliminated conditions: 924, SemanticConditionEliminator.Independence Queries: [ total: 1346, positive: 272, positive conditional: 272, positive unconditional: 0, negative: 1074, negative conditional: 126, negative unconditional: 948, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1346, positive: 272, positive conditional: 272, positive unconditional: 0, negative: 1074, negative conditional: 126, negative unconditional: 948, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 60, positive: 38, positive conditional: 30, positive unconditional: 8, negative: 22, negative conditional: 7, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 227, positive: 110, positive conditional: 67, positive unconditional: 43, negative: 117, negative conditional: 9, negative unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1346, positive: 242, positive conditional: 242, positive unconditional: 0, negative: 1067, negative conditional: 119, negative unconditional: 948, unknown: 37, unknown conditional: 37, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 403, Positive cache size: 381, Positive conditional cache size: 30, Positive unconditional cache size: 351, Negative cache size: 22, Negative conditional cache size: 7, Negative unconditional cache size: 15, Eliminated conditions: 924, SemanticConditionEliminator.Independence Queries: [ total: 1346, positive: 272, positive conditional: 272, positive unconditional: 0, negative: 1074, negative conditional: 126, negative unconditional: 948, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1346, positive: 272, positive conditional: 272, positive unconditional: 0, negative: 1074, negative conditional: 126, negative unconditional: 948, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 60, positive: 38, positive conditional: 30, positive unconditional: 8, negative: 22, negative conditional: 7, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 227, positive: 110, positive conditional: 67, positive unconditional: 43, negative: 117, negative conditional: 9, negative unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1346, positive: 242, positive conditional: 242, positive unconditional: 0, negative: 1067, negative conditional: 119, negative unconditional: 948, unknown: 37, unknown conditional: 37, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 403, Positive cache size: 381, Positive conditional cache size: 30, Positive unconditional cache size: 351, Negative cache size: 22, Negative conditional cache size: 7, Negative unconditional cache size: 15, Eliminated conditions: 924, SemanticConditionEliminator.Independence Queries: [ total: 1346, positive: 272, positive conditional: 272, positive unconditional: 0, negative: 1074, negative conditional: 126, negative unconditional: 948, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1346, positive: 272, positive conditional: 272, positive unconditional: 0, negative: 1074, negative conditional: 126, negative unconditional: 948, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 60, positive: 38, positive conditional: 30, positive unconditional: 8, negative: 22, negative conditional: 7, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 227, positive: 110, positive conditional: 67, positive unconditional: 43, negative: 117, negative conditional: 9, negative unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1346, positive: 242, positive conditional: 242, positive unconditional: 0, negative: 1067, negative conditional: 119, negative unconditional: 948, unknown: 37, unknown conditional: 37, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 403, Positive cache size: 381, Positive conditional cache size: 30, Positive unconditional cache size: 351, Negative cache size: 22, Negative conditional cache size: 7, Negative unconditional cache size: 15, Eliminated conditions: 924, SemanticConditionEliminator.Independence Queries: [ total: 1346, positive: 272, positive conditional: 272, positive unconditional: 0, negative: 1074, negative conditional: 126, negative unconditional: 948, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1346, positive: 272, positive conditional: 272, positive unconditional: 0, negative: 1074, negative conditional: 126, negative unconditional: 948, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 60, positive: 38, positive conditional: 30, positive unconditional: 8, negative: 22, negative conditional: 7, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 227, positive: 110, positive conditional: 67, positive unconditional: 43, negative: 117, negative conditional: 9, negative unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1346, positive: 242, positive conditional: 242, positive unconditional: 0, negative: 1067, negative conditional: 119, negative unconditional: 948, unknown: 37, unknown conditional: 37, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 403, Positive cache size: 381, Positive conditional cache size: 30, Positive unconditional cache size: 351, Negative cache size: 22, Negative conditional cache size: 7, Negative unconditional cache size: 15, Eliminated conditions: 924 ], Maximal queried relation: 7, Independence queries for same thread: 865 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 385, Number of persistent set computation: 2992, Number of trivial persistent sets: 2595, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5435, positive: 4523, positive conditional: 4036, positive unconditional: 487, negative: 912, negative conditional: 896, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 4570, positive: 4523, positive conditional: 4036, positive unconditional: 487, negative: 47, negative conditional: 31, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 4570, positive: 4251, positive conditional: 0, positive unconditional: 4251, negative: 319, negative conditional: 0, negative unconditional: 319, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 366, positive: 351, positive conditional: 0, positive unconditional: 351, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 366, positive: 343, positive conditional: 0, positive unconditional: 343, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 23, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 60, positive: 38, positive conditional: 30, positive unconditional: 8, negative: 22, negative conditional: 7, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 227, positive: 110, positive conditional: 67, positive unconditional: 43, negative: 117, negative conditional: 9, negative unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4570, positive: 3900, positive conditional: 0, positive unconditional: 3900, negative: 304, negative conditional: 0, negative unconditional: 304, unknown: 366, unknown conditional: 0, unknown unconditional: 366] , Statistics on independence cache: Total cache size (in pairs): 403, Positive cache size: 381, Positive conditional cache size: 30, Positive unconditional cache size: 351, Negative cache size: 22, Negative conditional cache size: 7, Negative unconditional cache size: 15, SemanticConditionEliminator.Independence Queries: [ total: 1346, positive: 272, positive conditional: 272, positive unconditional: 0, negative: 1074, negative conditional: 126, negative unconditional: 948, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1346, positive: 272, positive conditional: 272, positive unconditional: 0, negative: 1074, negative conditional: 126, negative unconditional: 948, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 60, positive: 38, positive conditional: 30, positive unconditional: 8, negative: 22, negative conditional: 7, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 227, positive: 110, positive conditional: 67, positive unconditional: 43, negative: 117, negative conditional: 9, negative unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1346, positive: 242, positive conditional: 242, positive unconditional: 0, negative: 1067, negative conditional: 119, negative unconditional: 948, unknown: 37, unknown conditional: 37, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 403, Positive cache size: 381, Positive conditional cache size: 30, Positive unconditional cache size: 351, Negative cache size: 22, Negative conditional cache size: 7, Negative unconditional cache size: 15, Eliminated conditions: 924, SemanticConditionEliminator.Independence Queries: [ total: 1346, positive: 272, positive conditional: 272, positive unconditional: 0, negative: 1074, negative conditional: 126, negative unconditional: 948, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1346, positive: 272, positive conditional: 272, positive unconditional: 0, negative: 1074, negative conditional: 126, negative unconditional: 948, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 60, positive: 38, positive conditional: 30, positive unconditional: 8, negative: 22, negative conditional: 7, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 227, positive: 110, positive conditional: 67, positive unconditional: 43, negative: 117, negative conditional: 9, negative unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1346, positive: 242, positive conditional: 242, positive unconditional: 0, negative: 1067, negative conditional: 119, negative unconditional: 948, unknown: 37, unknown conditional: 37, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 403, Positive cache size: 381, Positive conditional cache size: 30, Positive unconditional cache size: 351, Negative cache size: 22, Negative conditional cache size: 7, Negative unconditional cache size: 15, Eliminated conditions: 924, SemanticConditionEliminator.Independence Queries: [ total: 1346, positive: 272, positive conditional: 272, positive unconditional: 0, negative: 1074, negative conditional: 126, negative unconditional: 948, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1346, positive: 272, positive conditional: 272, positive unconditional: 0, negative: 1074, negative conditional: 126, negative unconditional: 948, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 60, positive: 38, positive conditional: 30, positive unconditional: 8, negative: 22, negative conditional: 7, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 227, positive: 110, positive conditional: 67, positive unconditional: 43, negative: 117, negative conditional: 9, negative unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1346, positive: 242, positive conditional: 242, positive unconditional: 0, negative: 1067, negative conditional: 119, negative unconditional: 948, unknown: 37, unknown conditional: 37, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 403, Positive cache size: 381, Positive conditional cache size: 30, Positive unconditional cache size: 351, Negative cache size: 22, Negative conditional cache size: 7, Negative unconditional cache size: 15, Eliminated conditions: 924, SemanticConditionEliminator.Independence Queries: [ total: 1346, positive: 272, positive conditional: 272, positive unconditional: 0, negative: 1074, negative conditional: 126, negative unconditional: 948, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1346, positive: 272, positive conditional: 272, positive unconditional: 0, negative: 1074, negative conditional: 126, negative unconditional: 948, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 60, positive: 38, positive conditional: 30, positive unconditional: 8, negative: 22, negative conditional: 7, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 227, positive: 110, positive conditional: 67, positive unconditional: 43, negative: 117, negative conditional: 9, negative unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1346, positive: 242, positive conditional: 242, positive unconditional: 0, negative: 1067, negative conditional: 119, negative unconditional: 948, unknown: 37, unknown conditional: 37, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 403, Positive cache size: 381, Positive conditional cache size: 30, Positive unconditional cache size: 351, Negative cache size: 22, Negative conditional cache size: 7, Negative unconditional cache size: 15, Eliminated conditions: 924, SemanticConditionEliminator.Independence Queries: [ total: 1346, positive: 272, positive conditional: 272, positive unconditional: 0, negative: 1074, negative conditional: 126, negative unconditional: 948, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1346, positive: 272, positive conditional: 272, positive unconditional: 0, negative: 1074, negative conditional: 126, negative unconditional: 948, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 60, positive: 38, positive conditional: 30, positive unconditional: 8, negative: 22, negative conditional: 7, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 227, positive: 110, positive conditional: 67, positive unconditional: 43, negative: 117, negative conditional: 9, negative unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1346, positive: 242, positive conditional: 242, positive unconditional: 0, negative: 1067, negative conditional: 119, negative unconditional: 948, unknown: 37, unknown conditional: 37, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 403, Positive cache size: 381, Positive conditional cache size: 30, Positive unconditional cache size: 351, Negative cache size: 22, Negative conditional cache size: 7, Negative unconditional cache size: 15, Eliminated conditions: 924, SemanticConditionEliminator.Independence Queries: [ total: 1346, positive: 272, positive conditional: 272, positive unconditional: 0, negative: 1074, negative conditional: 126, negative unconditional: 948, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1346, positive: 272, positive conditional: 272, positive unconditional: 0, negative: 1074, negative conditional: 126, negative unconditional: 948, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 60, positive: 38, positive conditional: 30, positive unconditional: 8, negative: 22, negative conditional: 7, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 227, positive: 110, positive conditional: 67, positive unconditional: 43, negative: 117, negative conditional: 9, negative unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1346, positive: 242, positive conditional: 242, positive unconditional: 0, negative: 1067, negative conditional: 119, negative unconditional: 948, unknown: 37, unknown conditional: 37, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 403, Positive cache size: 381, Positive conditional cache size: 30, Positive unconditional cache size: 351, Negative cache size: 22, Negative conditional cache size: 7, Negative unconditional cache size: 15, Eliminated conditions: 924, SemanticConditionEliminator.Independence Queries: [ total: 1346, positive: 272, positive conditional: 272, positive unconditional: 0, negative: 1074, negative conditional: 126, negative unconditional: 948, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1346, positive: 272, positive conditional: 272, positive unconditional: 0, negative: 1074, negative conditional: 126, negative unconditional: 948, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 60, positive: 38, positive conditional: 30, positive unconditional: 8, negative: 22, negative conditional: 7, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 227, positive: 110, positive conditional: 67, positive unconditional: 43, negative: 117, negative conditional: 9, negative unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1346, positive: 242, positive conditional: 242, positive unconditional: 0, negative: 1067, negative conditional: 119, negative unconditional: 948, unknown: 37, unknown conditional: 37, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 403, Positive cache size: 381, Positive conditional cache size: 30, Positive unconditional cache size: 351, Negative cache size: 22, Negative conditional cache size: 7, Negative unconditional cache size: 15, Eliminated conditions: 924 ], Maximal queried relation: 7, Independence queries for same thread: 865 - PositiveResult [Line: 62]: 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 7 procedures, 48 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2652.3ms, OverallIterations: 7, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 11.5ms, PartialOrderReductionTime: 849.5ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 27, 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: 29.3ms SsaConstructionTime, 106.7ms SatisfiabilityAnalysisTime, 521.3ms InterpolantComputationTime, 390 NumberOfCodeBlocks, 390 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 379 ConstructedInterpolants, 0 QuantifiedInterpolants, 544 SizeOfPredicates, 2 NumberOfNonLiveVariables, 267 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 11 InterpolantComputations, 5 PerfectInterpolantSequences, 231/269 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...