/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-Random521.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/two-queue.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 22:55:06,882 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 22:55:06,884 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 22:55:06,917 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 22:55:06,934 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-14 22:55:06,934 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-14 22:55:06,935 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-14 22:55:06,935 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-14 22:55:06,936 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-14 22:55:06,936 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-14 22:55:06,937 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-14 22:55:06,938 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-14 22:55:06,939 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-14 22:55:06,941 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-14 22:55:06,944 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-14 22:55:06,946 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-14 22:55:06,952 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-07-14 22:55:06,964 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-Random521.epf [2021-07-14 22:55:07,013 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 22:55:07,013 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 22:55:07,014 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 22:55:07,014 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 22:55:07,015 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 22:55:07,015 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 22:55:07,015 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 22:55:07,015 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 22:55:07,015 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 22:55:07,015 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 22:55:07,015 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 22:55:07,016 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 22:55:07,016 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 22:55:07,016 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 22:55:07,016 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 22:55:07,016 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 22:55:07,016 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 22:55:07,016 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 22:55:07,016 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 22:55:07,016 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 22:55:07,017 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 22:55:07,017 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 22:55:07,017 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 22:55:07,017 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 22:55:07,017 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 22:55:07,017 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 22:55:07,017 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 22:55:07,017 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 22:55:07,017 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-07-14 22:55:07,017 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 22:55:07,018 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 22:55:07,018 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 22:55:07,018 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 22:55:07,018 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-14 22:55:07,018 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-14 22:55:07,018 INFO L138 SettingsManager]: * Random seed used by POR DFS order=521 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 22:55:07,248 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 22:55:07,266 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 22:55:07,268 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 22:55:07,269 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 22:55:07,270 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 22:55:07,271 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/two-queue.wvr.bpl [2021-07-14 22:55:07,271 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/two-queue.wvr.bpl' [2021-07-14 22:55:07,298 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 22:55:07,299 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 22:55:07,300 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 22:55:07,300 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 22:55:07,300 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 22:55:07,308 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:55:07" (1/1) ... [2021-07-14 22:55:07,313 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:55:07" (1/1) ... [2021-07-14 22:55:07,318 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 22:55:07,319 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 22:55:07,319 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 22:55:07,319 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 22:55:07,324 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:55:07" (1/1) ... [2021-07-14 22:55:07,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:55:07" (1/1) ... [2021-07-14 22:55:07,325 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:55:07" (1/1) ... [2021-07-14 22:55:07,325 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:55:07" (1/1) ... [2021-07-14 22:55:07,326 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:55:07" (1/1) ... [2021-07-14 22:55:07,328 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:55:07" (1/1) ... [2021-07-14 22:55:07,329 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:55:07" (1/1) ... [2021-07-14 22:55:07,329 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 22:55:07,331 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 22:55:07,331 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 22:55:07,331 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 22:55:07,332 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:55:07" (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 [2021-07-14 22:55:07,381 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-14 22:55:07,381 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 22:55:07,381 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 22:55:07,382 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-14 22:55:07,382 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 22:55:07,382 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 22:55:07,383 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 22:55:07,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 22:55:07,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 22:55:07,384 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 22:55:07,581 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 22:55:07,581 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-14 22:55:07,583 INFO L202 PluginConnector]: Adding new model two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 10:55:07 BoogieIcfgContainer [2021-07-14 22:55:07,583 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 22:55:07,584 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 22:55:07,584 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 22:55:07,586 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 22:55:07,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:55:07" (1/2) ... [2021-07-14 22:55:07,587 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25386edd and model type two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 10:55:07, skipping insertion in model container [2021-07-14 22:55:07,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 10:55:07" (2/2) ... [2021-07-14 22:55:07,588 INFO L111 eAbstractionObserver]: Analyzing ICFG two-queue.wvr.bpl [2021-07-14 22:55:07,591 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 22:55:07,591 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 22:55:07,591 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 22:55:07,592 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 22:55:07,640 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-14 22:55:07,668 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 [2021-07-14 22:55:07,727 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 22:55:07,727 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 22:55:07,727 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 22:55:07,727 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 22:55:07,727 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 22:55:07,727 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 22:55:07,727 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 22:55:07,728 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 22:55:07,790 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:55:07,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:55:07,794 INFO L82 PathProgramCache]: Analyzing trace with hash 227395593, now seen corresponding path program 1 times [2021-07-14 22:55:07,799 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:55:07,800 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493668950] [2021-07-14 22:55:07,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:55:07,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:55:07,946 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:55:07,946 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:55:07,947 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493668950] [2021-07-14 22:55:07,948 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [493668950] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 22:55:07,948 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 22:55:07,948 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-14 22:55:07,948 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044467480] [2021-07-14 22:55:07,952 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 22:55:07,952 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:55:07,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 22:55:07,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 22:55:07,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:55:07,966 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:55:07,967 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 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) [2021-07-14 22:55:07,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:55:07,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:55:07,974 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 22:55:07,975 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:55:07,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:55:07,978 INFO L82 PathProgramCache]: Analyzing trace with hash 759897696, now seen corresponding path program 1 times [2021-07-14 22:55:07,978 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:55:07,979 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465421549] [2021-07-14 22:55:07,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:55:07,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:55:08,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:55:08,023 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:55:08,024 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465421549] [2021-07-14 22:55:08,024 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465421549] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 22:55:08,024 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 22:55:08,024 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-14 22:55:08,024 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279298226] [2021-07-14 22:55:08,025 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 22:55:08,025 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:55:08,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 22:55:08,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 22:55:08,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:55:08,026 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:55:08,026 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 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) [2021-07-14 22:55:08,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:55:08,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:55:08,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:55:08,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:55:08,143 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-14 22:55:08,144 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:55:08,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:55:08,144 INFO L82 PathProgramCache]: Analyzing trace with hash -939934888, now seen corresponding path program 1 times [2021-07-14 22:55:08,144 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:55:08,145 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077882958] [2021-07-14 22:55:08,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:55:08,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:55:08,177 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:55:08,177 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:55:08,178 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077882958] [2021-07-14 22:55:08,178 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1077882958] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 22:55:08,178 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 22:55:08,179 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-14 22:55:08,179 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987590] [2021-07-14 22:55:08,179 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 22:55:08,179 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:55:08,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 22:55:08,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 22:55:08,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:55:08,182 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:55:08,182 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 2 states have internal predecessors, (19), 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) [2021-07-14 22:55:08,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:55:08,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:55:08,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:55:08,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:55:08,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:55:08,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:55:08,205 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-14 22:55:08,205 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:55:08,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:55:08,205 INFO L82 PathProgramCache]: Analyzing trace with hash -1146742854, now seen corresponding path program 2 times [2021-07-14 22:55:08,206 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:55:08,206 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213444695] [2021-07-14 22:55:08,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:55:08,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:55:08,415 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:55:08,415 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:55:08,416 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213444695] [2021-07-14 22:55:08,416 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213444695] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:55:08,416 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [413873392] [2021-07-14 22:55:08,416 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 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:55:08,498 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 22:55:08,499 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:55:08,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 18 conjunts are in the unsatisfiable core [2021-07-14 22:55:08,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:55:08,642 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 14 [2021-07-14 22:55:08,645 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:55:08,649 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 22:55:08,651 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 22:55:08,651 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:20, output treesize:11 [2021-07-14 22:55:08,671 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-07-14 22:55:08,674 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:55:08,678 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 22:55:08,680 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 22:55:08,682 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:16, output treesize:9 [2021-07-14 22:55:08,739 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:55:08,740 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [413873392] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:55:08,740 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:55:08,740 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 12 [2021-07-14 22:55:08,741 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690467026] [2021-07-14 22:55:08,742 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-14 22:55:08,742 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:55:08,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-14 22:55:08,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2021-07-14 22:55:08,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:55:08,747 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:55:08,747 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 12 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 22:55:08,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:55:08,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:55:08,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:55:08,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:55:08,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:55:08,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:55:08,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:55:08,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 22:55:09,145 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:55:09,145 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:55:09,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:55:09,146 INFO L82 PathProgramCache]: Analyzing trace with hash -1226391683, now seen corresponding path program 3 times [2021-07-14 22:55:09,146 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:55:09,146 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814965061] [2021-07-14 22:55:09,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:55:09,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:55:09,171 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:55:09,171 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:55:09,171 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814965061] [2021-07-14 22:55:09,171 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [814965061] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:55:09,171 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [515818478] [2021-07-14 22:55:09,171 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:55:09,205 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-07-14 22:55:09,205 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:55:09,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 4 conjunts are in the unsatisfiable core [2021-07-14 22:55:09,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:55:09,265 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 22:55:09,265 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [515818478] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 22:55:09,265 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-07-14 22:55:09,265 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 4 [2021-07-14 22:55:09,265 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955681867] [2021-07-14 22:55:09,265 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-14 22:55:09,266 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:55:09,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-14 22:55:09,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-07-14 22:55:09,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:55:09,266 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:55:09,266 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 22:55:09,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:55:09,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:55:09,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:55:09,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 22:55:09,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:55:09,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:55:09,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:55:09,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:55:09,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 22:55:09,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:55:09,509 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:55:09,509 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:55:09,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:55:09,510 INFO L82 PathProgramCache]: Analyzing trace with hash 162377050, now seen corresponding path program 4 times [2021-07-14 22:55:09,510 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:55:09,510 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525206582] [2021-07-14 22:55:09,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:55:09,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:55:09,544 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-14 22:55:09,544 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:55:09,544 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525206582] [2021-07-14 22:55:09,544 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [525206582] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:55:09,544 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1011067844] [2021-07-14 22:55:09,544 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 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:55:09,595 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 22:55:09,595 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:55:09,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 4 conjunts are in the unsatisfiable core [2021-07-14 22:55:09,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:55:09,640 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-14 22:55:09,640 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1011067844] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 22:55:09,640 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-07-14 22:55:09,640 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 4 [2021-07-14 22:55:09,641 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591646694] [2021-07-14 22:55:09,641 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-14 22:55:09,641 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:55:09,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-14 22:55:09,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-07-14 22:55:09,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:55:09,641 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:55:09,642 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 22:55:09,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:55:09,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:55:09,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:55:09,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 22:55:09,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:55:09,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:55:09,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:55:09,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:55:09,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:55:09,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 22:55:09,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:55:09,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:55:09,883 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:55:09,883 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:55:09,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:55:09,883 INFO L82 PathProgramCache]: Analyzing trace with hash 1553236604, now seen corresponding path program 5 times [2021-07-14 22:55:09,884 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:55:09,884 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609473105] [2021-07-14 22:55:09,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:55:09,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:55:10,246 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:55:10,246 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:55:10,246 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609473105] [2021-07-14 22:55:10,246 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1609473105] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:55:10,246 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [877653394] [2021-07-14 22:55:10,246 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:55:10,288 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-07-14 22:55:10,288 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:55:10,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 22 conjunts are in the unsatisfiable core [2021-07-14 22:55:10,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:55:10,464 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-07-14 22:55:10,472 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:55:10,475 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 22:55:10,476 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 22:55:10,476 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:20, output treesize:13 [2021-07-14 22:55:10,490 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-07-14 22:55:10,491 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:55:10,493 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 22:55:10,494 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 22:55:10,494 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:16, output treesize:9 [2021-07-14 22:55:10,559 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:55:10,559 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [877653394] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:55:10,559 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:55:10,560 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16] total 26 [2021-07-14 22:55:10,560 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393803621] [2021-07-14 22:55:10,560 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-07-14 22:55:10,560 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:55:10,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-07-14 22:55:10,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=610, Unknown=0, NotChecked=0, Total=702 [2021-07-14 22:55:10,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:55:10,561 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:55:10,562 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 1.6666666666666667) internal successors, (45), 26 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 22:55:10,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:55:10,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:55:10,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:55:10,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 22:55:10,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:55:10,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:55:10,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:55:11,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:55:11,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:55:11,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:55:11,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 22:55:11,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:55:11,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:55:11,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 22:55:11,609 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-07-14 22:55:11,609 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:55:11,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:55:11,610 INFO L82 PathProgramCache]: Analyzing trace with hash -713766972, now seen corresponding path program 6 times [2021-07-14 22:55:11,610 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:55:11,610 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293533257] [2021-07-14 22:55:11,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:55:11,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:55:11,900 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 7 proven. 44 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-14 22:55:11,900 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:55:11,900 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293533257] [2021-07-14 22:55:11,900 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1293533257] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:55:11,900 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1056254319] [2021-07-14 22:55:11,900 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:55:11,933 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-07-14 22:55:11,933 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:55:11,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 36 conjunts are in the unsatisfiable core [2021-07-14 22:55:11,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:55:12,157 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-07-14 22:55:12,158 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:55:12,162 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 22:55:12,164 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-14 22:55:12,164 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:24, output treesize:17 [2021-07-14 22:55:12,262 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:55:12,263 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-07-14 22:55:12,264 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:55:12,268 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 22:55:12,270 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 22:55:12,270 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:24, output treesize:9 [2021-07-14 22:55:12,352 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-07-14 22:55:12,353 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1056254319] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:55:12,353 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:55:12,353 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 16] total 32 [2021-07-14 22:55:12,353 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252669947] [2021-07-14 22:55:12,353 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-07-14 22:55:12,353 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:55:12,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-07-14 22:55:12,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=958, Unknown=0, NotChecked=0, Total=1056 [2021-07-14 22:55:12,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:55:12,354 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:55:12,354 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 2.0) internal successors, (66), 32 states have internal predecessors, (66), 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) [2021-07-14 22:55:12,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:55:12,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:55:12,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:55:12,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 22:55:12,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:55:12,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:55:12,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 22:55:12,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:55:13,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:55:13,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:55:13,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:55:13,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 22:55:13,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:55:13,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:55:13,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-07-14 22:55:13,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 22:55:13,512 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:55:13,521 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-14 22:55:13,522 INFO L202 PluginConnector]: Adding new model two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.07 10:55:13 BasicIcfg [2021-07-14 22:55:13,523 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-14 22:55:13,523 INFO L168 Benchmark]: Toolchain (without parser) took 6224.11 ms. Allocated memory was 177.2 MB in the beginning and 255.9 MB in the end (delta: 78.6 MB). Free memory was 157.1 MB in the beginning and 130.4 MB in the end (delta: 26.7 MB). Peak memory consumption was 105.8 MB. Max. memory is 8.0 GB. [2021-07-14 22:55:13,523 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.43 ms. Allocated memory is still 177.2 MB. Free memory is still 158.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 22:55:13,523 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.31 ms. Allocated memory is still 177.2 MB. Free memory was 157.0 MB in the beginning and 155.6 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 22:55:13,523 INFO L168 Benchmark]: Boogie Preprocessor took 11.09 ms. Allocated memory is still 177.2 MB. Free memory was 155.6 MB in the beginning and 154.6 MB in the end (delta: 978.5 kB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-14 22:55:13,523 INFO L168 Benchmark]: RCFGBuilder took 252.53 ms. Allocated memory is still 177.2 MB. Free memory was 154.5 MB in the beginning and 140.9 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-07-14 22:55:13,523 INFO L168 Benchmark]: TraceAbstraction took 5938.46 ms. Allocated memory was 177.2 MB in the beginning and 255.9 MB in the end (delta: 78.6 MB). Free memory was 140.5 MB in the beginning and 130.4 MB in the end (delta: 10.0 MB). Peak memory consumption was 89.1 MB. Max. memory is 8.0 GB. [2021-07-14 22:55:13,524 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 0.43 ms. Allocated memory is still 177.2 MB. Free memory is still 158.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 18.31 ms. Allocated memory is still 177.2 MB. Free memory was 157.0 MB in the beginning and 155.6 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 8.0 GB. * Boogie Preprocessor took 11.09 ms. Allocated memory is still 177.2 MB. Free memory was 155.6 MB in the beginning and 154.6 MB in the end (delta: 978.5 kB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 252.53 ms. Allocated memory is still 177.2 MB. Free memory was 154.5 MB in the beginning and 140.9 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 5938.46 ms. Allocated memory was 177.2 MB in the beginning and 255.9 MB in the end (delta: 78.6 MB). Free memory was 140.5 MB in the beginning and 130.4 MB in the end (delta: 10.0 MB). Peak memory consumption was 89.1 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: 716, positive: 616, positive conditional: 358, positive unconditional: 258, negative: 100, negative conditional: 96, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 634, positive: 616, positive conditional: 358, positive unconditional: 258, negative: 18, negative conditional: 14, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 634, positive: 613, positive conditional: 0, positive unconditional: 613, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 155, positive: 153, positive conditional: 0, positive unconditional: 153, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 155, positive: 151, positive conditional: 0, positive unconditional: 151, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 20, positive: 5, positive conditional: 3, positive unconditional: 2, negative: 15, negative conditional: 13, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 79, positive: 45, positive conditional: 5, positive unconditional: 41, negative: 34, negative conditional: 25, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 634, positive: 460, positive conditional: 0, positive unconditional: 460, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 155, unknown conditional: 0, unknown unconditional: 155] , Statistics on independence cache: Total cache size (in pairs): 171, Positive cache size: 156, Positive conditional cache size: 3, Positive unconditional cache size: 153, Negative cache size: 15, Negative conditional cache size: 13, Negative unconditional cache size: 2, SemanticConditionEliminator.Independence Queries: [ total: 117, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 114, negative conditional: 42, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 117, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 114, negative conditional: 42, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 20, positive: 5, positive conditional: 3, positive unconditional: 2, negative: 15, negative conditional: 13, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 79, positive: 45, positive conditional: 5, positive unconditional: 41, negative: 34, negative conditional: 25, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 117, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 101, negative conditional: 29, negative unconditional: 72, unknown: 16, unknown conditional: 16, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 171, Positive cache size: 156, Positive conditional cache size: 3, Positive unconditional cache size: 153, Negative cache size: 15, Negative conditional cache size: 13, Negative unconditional cache size: 2, Eliminated conditions: 59, SemanticConditionEliminator.Independence Queries: [ total: 117, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 114, negative conditional: 42, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 117, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 114, negative conditional: 42, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 20, positive: 5, positive conditional: 3, positive unconditional: 2, negative: 15, negative conditional: 13, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 79, positive: 45, positive conditional: 5, positive unconditional: 41, negative: 34, negative conditional: 25, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 117, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 101, negative conditional: 29, negative unconditional: 72, unknown: 16, unknown conditional: 16, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 171, Positive cache size: 156, Positive conditional cache size: 3, Positive unconditional cache size: 153, Negative cache size: 15, Negative conditional cache size: 13, Negative unconditional cache size: 2, Eliminated conditions: 59, SemanticConditionEliminator.Independence Queries: [ total: 117, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 114, negative conditional: 42, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 117, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 114, negative conditional: 42, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 20, positive: 5, positive conditional: 3, positive unconditional: 2, negative: 15, negative conditional: 13, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 79, positive: 45, positive conditional: 5, positive unconditional: 41, negative: 34, negative conditional: 25, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 117, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 101, negative conditional: 29, negative unconditional: 72, unknown: 16, unknown conditional: 16, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 171, Positive cache size: 156, Positive conditional cache size: 3, Positive unconditional cache size: 153, Negative cache size: 15, Negative conditional cache size: 13, Negative unconditional cache size: 2, Eliminated conditions: 59, SemanticConditionEliminator.Independence Queries: [ total: 117, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 114, negative conditional: 42, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 117, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 114, negative conditional: 42, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 20, positive: 5, positive conditional: 3, positive unconditional: 2, negative: 15, negative conditional: 13, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 79, positive: 45, positive conditional: 5, positive unconditional: 41, negative: 34, negative conditional: 25, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 117, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 101, negative conditional: 29, negative unconditional: 72, unknown: 16, unknown conditional: 16, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 171, Positive cache size: 156, Positive conditional cache size: 3, Positive unconditional cache size: 153, Negative cache size: 15, Negative conditional cache size: 13, Negative unconditional cache size: 2, Eliminated conditions: 59, SemanticConditionEliminator.Independence Queries: [ total: 117, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 114, negative conditional: 42, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 117, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 114, negative conditional: 42, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 20, positive: 5, positive conditional: 3, positive unconditional: 2, negative: 15, negative conditional: 13, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 79, positive: 45, positive conditional: 5, positive unconditional: 41, negative: 34, negative conditional: 25, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 117, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 101, negative conditional: 29, negative unconditional: 72, unknown: 16, unknown conditional: 16, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 171, Positive cache size: 156, Positive conditional cache size: 3, Positive unconditional cache size: 153, Negative cache size: 15, Negative conditional cache size: 13, Negative unconditional cache size: 2, Eliminated conditions: 59, SemanticConditionEliminator.Independence Queries: [ total: 117, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 114, negative conditional: 42, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 117, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 114, negative conditional: 42, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 20, positive: 5, positive conditional: 3, positive unconditional: 2, negative: 15, negative conditional: 13, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 79, positive: 45, positive conditional: 5, positive unconditional: 41, negative: 34, negative conditional: 25, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 117, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 101, negative conditional: 29, negative unconditional: 72, unknown: 16, unknown conditional: 16, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 171, Positive cache size: 156, Positive conditional cache size: 3, Positive unconditional cache size: 153, Negative cache size: 15, Negative conditional cache size: 13, Negative unconditional cache size: 2, Eliminated conditions: 59, SemanticConditionEliminator.Independence Queries: [ total: 117, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 114, negative conditional: 42, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 117, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 114, negative conditional: 42, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 20, positive: 5, positive conditional: 3, positive unconditional: 2, negative: 15, negative conditional: 13, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 79, positive: 45, positive conditional: 5, positive unconditional: 41, negative: 34, negative conditional: 25, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 117, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 101, negative conditional: 29, negative unconditional: 72, unknown: 16, unknown conditional: 16, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 171, Positive cache size: 156, Positive conditional cache size: 3, Positive unconditional cache size: 153, Negative cache size: 15, Negative conditional cache size: 13, Negative unconditional cache size: 2, Eliminated conditions: 59, SemanticConditionEliminator.Independence Queries: [ total: 117, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 114, negative conditional: 42, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 117, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 114, negative conditional: 42, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 20, positive: 5, positive conditional: 3, positive unconditional: 2, negative: 15, negative conditional: 13, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 79, positive: 45, positive conditional: 5, positive unconditional: 41, negative: 34, negative conditional: 25, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 117, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 101, negative conditional: 29, negative unconditional: 72, unknown: 16, unknown conditional: 16, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 171, Positive cache size: 156, Positive conditional cache size: 3, Positive unconditional cache size: 153, Negative cache size: 15, Negative conditional cache size: 13, Negative unconditional cache size: 2, Eliminated conditions: 59 ], Maximal queried relation: 8, Independence queries for same thread: 82 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 100, Number of persistent set computation: 37, Number of trivial persistent sets: 18, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 716, positive: 616, positive conditional: 358, positive unconditional: 258, negative: 100, negative conditional: 96, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 634, positive: 616, positive conditional: 358, positive unconditional: 258, negative: 18, negative conditional: 14, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 634, positive: 613, positive conditional: 0, positive unconditional: 613, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 155, positive: 153, positive conditional: 0, positive unconditional: 153, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 155, positive: 151, positive conditional: 0, positive unconditional: 151, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 20, positive: 5, positive conditional: 3, positive unconditional: 2, negative: 15, negative conditional: 13, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 79, positive: 45, positive conditional: 5, positive unconditional: 41, negative: 34, negative conditional: 25, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 634, positive: 460, positive conditional: 0, positive unconditional: 460, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 155, unknown conditional: 0, unknown unconditional: 155] , Statistics on independence cache: Total cache size (in pairs): 171, Positive cache size: 156, Positive conditional cache size: 3, Positive unconditional cache size: 153, Negative cache size: 15, Negative conditional cache size: 13, Negative unconditional cache size: 2, SemanticConditionEliminator.Independence Queries: [ total: 117, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 114, negative conditional: 42, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 117, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 114, negative conditional: 42, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 20, positive: 5, positive conditional: 3, positive unconditional: 2, negative: 15, negative conditional: 13, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 79, positive: 45, positive conditional: 5, positive unconditional: 41, negative: 34, negative conditional: 25, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 117, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 101, negative conditional: 29, negative unconditional: 72, unknown: 16, unknown conditional: 16, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 171, Positive cache size: 156, Positive conditional cache size: 3, Positive unconditional cache size: 153, Negative cache size: 15, Negative conditional cache size: 13, Negative unconditional cache size: 2, Eliminated conditions: 59, SemanticConditionEliminator.Independence Queries: [ total: 117, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 114, negative conditional: 42, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 117, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 114, negative conditional: 42, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 20, positive: 5, positive conditional: 3, positive unconditional: 2, negative: 15, negative conditional: 13, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 79, positive: 45, positive conditional: 5, positive unconditional: 41, negative: 34, negative conditional: 25, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 117, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 101, negative conditional: 29, negative unconditional: 72, unknown: 16, unknown conditional: 16, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 171, Positive cache size: 156, Positive conditional cache size: 3, Positive unconditional cache size: 153, Negative cache size: 15, Negative conditional cache size: 13, Negative unconditional cache size: 2, Eliminated conditions: 59, SemanticConditionEliminator.Independence Queries: [ total: 117, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 114, negative conditional: 42, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 117, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 114, negative conditional: 42, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 20, positive: 5, positive conditional: 3, positive unconditional: 2, negative: 15, negative conditional: 13, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 79, positive: 45, positive conditional: 5, positive unconditional: 41, negative: 34, negative conditional: 25, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 117, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 101, negative conditional: 29, negative unconditional: 72, unknown: 16, unknown conditional: 16, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 171, Positive cache size: 156, Positive conditional cache size: 3, Positive unconditional cache size: 153, Negative cache size: 15, Negative conditional cache size: 13, Negative unconditional cache size: 2, Eliminated conditions: 59, SemanticConditionEliminator.Independence Queries: [ total: 117, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 114, negative conditional: 42, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 117, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 114, negative conditional: 42, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 20, positive: 5, positive conditional: 3, positive unconditional: 2, negative: 15, negative conditional: 13, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 79, positive: 45, positive conditional: 5, positive unconditional: 41, negative: 34, negative conditional: 25, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 117, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 101, negative conditional: 29, negative unconditional: 72, unknown: 16, unknown conditional: 16, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 171, Positive cache size: 156, Positive conditional cache size: 3, Positive unconditional cache size: 153, Negative cache size: 15, Negative conditional cache size: 13, Negative unconditional cache size: 2, Eliminated conditions: 59, SemanticConditionEliminator.Independence Queries: [ total: 117, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 114, negative conditional: 42, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 117, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 114, negative conditional: 42, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 20, positive: 5, positive conditional: 3, positive unconditional: 2, negative: 15, negative conditional: 13, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 79, positive: 45, positive conditional: 5, positive unconditional: 41, negative: 34, negative conditional: 25, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 117, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 101, negative conditional: 29, negative unconditional: 72, unknown: 16, unknown conditional: 16, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 171, Positive cache size: 156, Positive conditional cache size: 3, Positive unconditional cache size: 153, Negative cache size: 15, Negative conditional cache size: 13, Negative unconditional cache size: 2, Eliminated conditions: 59, SemanticConditionEliminator.Independence Queries: [ total: 117, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 114, negative conditional: 42, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 117, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 114, negative conditional: 42, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 20, positive: 5, positive conditional: 3, positive unconditional: 2, negative: 15, negative conditional: 13, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 79, positive: 45, positive conditional: 5, positive unconditional: 41, negative: 34, negative conditional: 25, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 117, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 101, negative conditional: 29, negative unconditional: 72, unknown: 16, unknown conditional: 16, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 171, Positive cache size: 156, Positive conditional cache size: 3, Positive unconditional cache size: 153, Negative cache size: 15, Negative conditional cache size: 13, Negative unconditional cache size: 2, Eliminated conditions: 59, SemanticConditionEliminator.Independence Queries: [ total: 117, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 114, negative conditional: 42, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 117, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 114, negative conditional: 42, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 20, positive: 5, positive conditional: 3, positive unconditional: 2, negative: 15, negative conditional: 13, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 79, positive: 45, positive conditional: 5, positive unconditional: 41, negative: 34, negative conditional: 25, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 117, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 101, negative conditional: 29, negative unconditional: 72, unknown: 16, unknown conditional: 16, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 171, Positive cache size: 156, Positive conditional cache size: 3, Positive unconditional cache size: 153, Negative cache size: 15, Negative conditional cache size: 13, Negative unconditional cache size: 2, Eliminated conditions: 59, SemanticConditionEliminator.Independence Queries: [ total: 117, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 114, negative conditional: 42, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 117, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 114, negative conditional: 42, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 20, positive: 5, positive conditional: 3, positive unconditional: 2, negative: 15, negative conditional: 13, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 79, positive: 45, positive conditional: 5, positive unconditional: 41, negative: 34, negative conditional: 25, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 117, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 101, negative conditional: 29, negative unconditional: 72, unknown: 16, unknown conditional: 16, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 171, Positive cache size: 156, Positive conditional cache size: 3, Positive unconditional cache size: 153, Negative cache size: 15, Negative conditional cache size: 13, Negative unconditional cache size: 2, Eliminated conditions: 59 ], Maximal queried relation: 8, Independence queries for same thread: 82 - 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 5 procedures, 36 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5841.6ms, OverallIterations: 8, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 9.9ms, PartialOrderReductionTime: 2222.4ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 85, 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: 28.3ms SsaConstructionTime, 169.2ms SatisfiabilityAnalysisTime, 1971.0ms InterpolantComputationTime, 323 NumberOfCodeBlocks, 323 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 310 ConstructedInterpolants, 3 QuantifiedInterpolants, 2300 SizeOfPredicates, 22 NumberOfNonLiveVariables, 392 ConjunctsInSsa, 84 ConjunctsInUnsatCore, 13 InterpolantComputations, 5 PerfectInterpolantSequences, 68/181 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...