/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-more/dec-subseq.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-10 14:56:08,768 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-10 14:56:08,769 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-10 14:56:08,789 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-10 14:56:08,789 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-10 14:56:08,790 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-10 14:56:08,790 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-10 14:56:08,792 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-10 14:56:08,793 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-10 14:56:08,793 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-10 14:56:08,794 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-10 14:56:08,794 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-10 14:56:08,795 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-10 14:56:08,795 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-10 14:56:08,796 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-10 14:56:08,797 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-10 14:56:08,797 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-10 14:56:08,798 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-10 14:56:08,799 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-10 14:56:08,800 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-10 14:56:08,800 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-10 14:56:08,805 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-10 14:56:08,806 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-10 14:56:08,806 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-10 14:56:08,808 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-10 14:56:08,808 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-10 14:56:08,808 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-10 14:56:08,809 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-10 14:56:08,809 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-10 14:56:08,810 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-10 14:56:08,810 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-10 14:56:08,810 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-10 14:56:08,811 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-10 14:56:08,811 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-10 14:56:08,812 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-10 14:56:08,812 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-10 14:56:08,813 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-10 14:56:08,813 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-10 14:56:08,813 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-10 14:56:08,814 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-10 14:56:08,814 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-10 14:56:08,815 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 [2021-07-10 14:56:08,838 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-10 14:56:08,839 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-10 14:56:08,839 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-10 14:56:08,840 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-10 14:56:08,841 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-10 14:56:08,841 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-10 14:56:08,842 INFO L138 SettingsManager]: * Use SBE=true [2021-07-10 14:56:08,842 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-10 14:56:08,842 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-10 14:56:08,842 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-10 14:56:08,842 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-10 14:56:08,843 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-10 14:56:08,843 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-10 14:56:08,843 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-10 14:56:08,843 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-10 14:56:08,843 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-10 14:56:08,843 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-10 14:56:08,843 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-10 14:56:08,843 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-10 14:56:08,843 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-10 14:56:08,843 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-10 14:56:08,844 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-10 14:56:08,844 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-10 14:56:08,844 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 14:56:08,844 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-10 14:56:08,844 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-10 14:56:08,844 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-10 14:56:08,844 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-10 14:56:08,844 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-07-10 14:56:08,844 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-10 14:56:08,844 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-10 14:56:08,845 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-10 14:56:08,845 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-10 14:56:08,845 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-10 14:56:08,845 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-10 14:56:08,845 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-10 14:56:09,079 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-10 14:56:09,097 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-10 14:56:09,099 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-10 14:56:09,099 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-10 14:56:09,100 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-10 14:56:09,101 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dec-subseq.wvr.bpl [2021-07-10 14:56:09,101 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dec-subseq.wvr.bpl' [2021-07-10 14:56:09,122 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-10 14:56:09,123 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-10 14:56:09,124 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-10 14:56:09,124 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-10 14:56:09,124 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-10 14:56:09,132 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "dec-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:56:09" (1/1) ... [2021-07-10 14:56:09,138 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "dec-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:56:09" (1/1) ... [2021-07-10 14:56:09,143 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-10 14:56:09,144 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-10 14:56:09,144 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-10 14:56:09,144 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-10 14:56:09,149 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "dec-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:56:09" (1/1) ... [2021-07-10 14:56:09,150 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "dec-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:56:09" (1/1) ... [2021-07-10 14:56:09,151 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "dec-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:56:09" (1/1) ... [2021-07-10 14:56:09,151 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "dec-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:56:09" (1/1) ... [2021-07-10 14:56:09,153 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "dec-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:56:09" (1/1) ... [2021-07-10 14:56:09,157 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "dec-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:56:09" (1/1) ... [2021-07-10 14:56:09,158 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "dec-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:56:09" (1/1) ... [2021-07-10 14:56:09,158 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-10 14:56:09,160 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-10 14:56:09,160 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-10 14:56:09,160 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-10 14:56:09,161 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "dec-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:56:09" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 14:56:09,208 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-10 14:56:09,208 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-10 14:56:09,208 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-10 14:56:09,208 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-10 14:56:09,209 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-10 14:56:09,209 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-10 14:56:09,209 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-10 14:56:09,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-10 14:56:09,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-10 14:56:09,210 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-10 14:56:09,389 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-10 14:56:09,389 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-10 14:56:09,391 INFO L202 PluginConnector]: Adding new model dec-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 02:56:09 BoogieIcfgContainer [2021-07-10 14:56:09,391 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-10 14:56:09,392 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-10 14:56:09,392 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-10 14:56:09,394 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-10 14:56:09,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dec-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:56:09" (1/2) ... [2021-07-10 14:56:09,395 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@469463d2 and model type dec-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 02:56:09, skipping insertion in model container [2021-07-10 14:56:09,395 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dec-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 02:56:09" (2/2) ... [2021-07-10 14:56:09,396 INFO L111 eAbstractionObserver]: Analyzing ICFG dec-subseq.wvr.bpl [2021-07-10 14:56:09,408 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-10 14:56:09,408 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-10 14:56:09,408 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-10 14:56:09,409 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-10 14:56:09,454 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-10 14:56:09,469 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-10 14:56:09,514 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 14:56:09,514 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 14:56:09,515 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 14:56:09,515 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 14:56:09,515 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 14:56:09,515 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 14:56:09,515 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 14:56:09,515 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-10 14:56:09,609 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:56:09,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:56:09,612 INFO L82 PathProgramCache]: Analyzing trace with hash -776643309, now seen corresponding path program 1 times [2021-07-10 14:56:09,618 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:56:09,618 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860789641] [2021-07-10 14:56:09,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:56:09,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:56:09,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:56:09,740 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:56:09,741 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860789641] [2021-07-10 14:56:09,741 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860789641] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 14:56:09,742 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 14:56:09,742 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-10 14:56:09,742 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211490524] [2021-07-10 14:56:09,745 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-10 14:56:09,745 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:56:09,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-10 14:56:09,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-10 14:56:09,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:56:09,757 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:56:09,758 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 14:56:09,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:56:09,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:56:09,793 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-10 14:56:09,793 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:56:09,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:56:09,796 INFO L82 PathProgramCache]: Analyzing trace with hash 69506966, now seen corresponding path program 1 times [2021-07-10 14:56:09,797 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:56:09,797 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829262322] [2021-07-10 14:56:09,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:56:09,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:56:09,823 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:56:09,823 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:56:09,823 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829262322] [2021-07-10 14:56:09,823 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829262322] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 14:56:09,823 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 14:56:09,823 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-10 14:56:09,824 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206047155] [2021-07-10 14:56:09,824 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-10 14:56:09,825 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:56:09,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-10 14:56:09,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-10 14:56:09,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:56:09,825 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:56:09,825 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 14:56:09,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:56:09,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:56:09,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:56:09,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:56:09,877 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-10 14:56:09,877 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:56:09,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:56:09,878 INFO L82 PathProgramCache]: Analyzing trace with hash -1133445196, now seen corresponding path program 1 times [2021-07-10 14:56:09,878 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:56:09,878 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130328868] [2021-07-10 14:56:09,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:56:09,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:56:09,923 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:56:09,924 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:56:09,924 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130328868] [2021-07-10 14:56:09,924 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1130328868] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:56:09,924 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1552750552] [2021-07-10 14:56:09,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:56:09,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:56:09,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2021-07-10 14:56:09,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:56:10,033 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:56:10,034 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1552750552] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 14:56:10,034 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-07-10 14:56:10,034 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2021-07-10 14:56:10,034 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075084271] [2021-07-10 14:56:10,034 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-10 14:56:10,034 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:56:10,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-10 14:56:10,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-10 14:56:10,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:56:10,035 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:56:10,035 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 7.666666666666667) 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) [2021-07-10 14:56:10,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:56:10,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:56:10,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:56:10,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:56:10,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:56:10,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:56:10,293 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:56:10,293 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:56:10,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:56:10,294 INFO L82 PathProgramCache]: Analyzing trace with hash 927414606, now seen corresponding path program 2 times [2021-07-10 14:56:10,294 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:56:10,294 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349401251] [2021-07-10 14:56:10,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:56:10,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:56:10,414 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:56:10,414 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:56:10,414 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349401251] [2021-07-10 14:56:10,414 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349401251] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:56:10,415 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [265690556] [2021-07-10 14:56:10,415 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:56:10,455 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 14:56:10,456 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:56:10,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-10 14:56:10,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:56:10,648 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 [2021-07-10 14:56:10,650 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 14:56:10,652 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 14:56:10,653 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 14:56:10,653 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:7 [2021-07-10 14:56:10,679 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 [2021-07-10 14:56:10,681 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 14:56:10,684 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 14:56:10,684 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 14:56:10,685 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2021-07-10 14:56:10,702 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:56:10,703 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [265690556] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:56:10,703 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:56:10,703 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 12 [2021-07-10 14:56:10,703 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045331847] [2021-07-10 14:56:10,703 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-10 14:56:10,703 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:56:10,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-10 14:56:10,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2021-07-10 14:56:10,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:56:10,704 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:56:10,704 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 2.6153846153846154) internal successors, (34), 12 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 14:56:10,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:56:10,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:56:10,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:56:10,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:56:10,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:56:10,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:56:10,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:56:10,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:56:11,032 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:56:11,033 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:56:11,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:56:11,033 INFO L82 PathProgramCache]: Analyzing trace with hash 1430586283, now seen corresponding path program 3 times [2021-07-10 14:56:11,033 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:56:11,034 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274935880] [2021-07-10 14:56:11,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:56:11,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:56:11,066 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:56:11,066 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:56:11,066 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274935880] [2021-07-10 14:56:11,066 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [274935880] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:56:11,066 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [617739173] [2021-07-10 14:56:11,067 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:56:11,099 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-10 14:56:11,099 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:56:11,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 4 conjunts are in the unsatisfiable core [2021-07-10 14:56:11,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:56:11,142 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 14:56:11,142 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [617739173] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 14:56:11,142 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-07-10 14:56:11,142 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 4 [2021-07-10 14:56:11,142 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567145207] [2021-07-10 14:56:11,143 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-10 14:56:11,143 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:56:11,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-10 14:56:11,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-07-10 14:56:11,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:56:11,143 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:56:11,143 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 14:56:11,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:56:11,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:56:11,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:56:11,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:56:11,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:56:11,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:56:11,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:56:11,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:56:11,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:56:11,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:56:11,392 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:56:11,393 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:56:11,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:56:11,393 INFO L82 PathProgramCache]: Analyzing trace with hash 397859634, now seen corresponding path program 4 times [2021-07-10 14:56:11,393 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:56:11,394 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807532277] [2021-07-10 14:56:11,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:56:11,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:56:11,443 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2021-07-10 14:56:11,443 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:56:11,443 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807532277] [2021-07-10 14:56:11,443 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807532277] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 14:56:11,443 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 14:56:11,443 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-10 14:56:11,444 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926362962] [2021-07-10 14:56:11,444 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-10 14:56:11,444 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:56:11,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-10 14:56:11,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-10 14:56:11,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:56:11,445 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:56:11,445 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 14:56:11,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:56:11,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:56:11,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:56:11,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:56:11,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:56:11,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:56:11,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:56:11,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:56:11,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:56:11,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:56:11,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:56:11,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:56:11,463 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-07-10 14:56:11,463 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:56:11,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:56:11,463 INFO L82 PathProgramCache]: Analyzing trace with hash -363177358, now seen corresponding path program 5 times [2021-07-10 14:56:11,463 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:56:11,463 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567276086] [2021-07-10 14:56:11,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:56:11,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:56:11,529 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 26 proven. 12 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-07-10 14:56:11,529 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:56:11,531 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567276086] [2021-07-10 14:56:11,531 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [567276086] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:56:11,531 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [892369492] [2021-07-10 14:56:11,531 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 [2021-07-10 14:56:11,581 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-07-10 14:56:11,581 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:56:11,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-10 14:56:11,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:56:11,700 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-07-10 14:56:11,700 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [892369492] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 14:56:11,701 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-07-10 14:56:11,701 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 5 [2021-07-10 14:56:11,701 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306481339] [2021-07-10 14:56:11,701 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-10 14:56:11,701 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:56:11,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-10 14:56:11,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-07-10 14:56:11,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:56:11,702 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:56:11,702 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 14:56:11,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:56:11,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:56:11,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:56:11,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:56:11,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:56:11,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:56:11,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:56:11,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:56:11,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:56:11,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:56:11,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:56:11,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:56:11,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:56:11,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:56:11,952 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-07-10 14:56:11,953 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:56:11,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:56:11,953 INFO L82 PathProgramCache]: Analyzing trace with hash -691406929, now seen corresponding path program 6 times [2021-07-10 14:56:11,953 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:56:11,953 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406201444] [2021-07-10 14:56:11,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:56:11,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:56:12,221 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 14:56:12,221 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:56:12,221 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406201444] [2021-07-10 14:56:12,221 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406201444] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:56:12,221 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1251841342] [2021-07-10 14:56:12,221 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 [2021-07-10 14:56:12,270 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-07-10 14:56:12,270 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:56:12,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 22 conjunts are in the unsatisfiable core [2021-07-10 14:56:12,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:56:12,550 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 14:56:12,550 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 24 [2021-07-10 14:56:12,559 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 14:56:12,563 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 14:56:12,564 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 14:56:12,564 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:32, output treesize:18 [2021-07-10 14:56:12,593 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-07-10 14:56:12,593 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 10 [2021-07-10 14:56:12,595 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 14:56:12,598 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 14:56:12,599 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 14:56:12,599 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:23, output treesize:5 [2021-07-10 14:56:12,617 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:56:12,617 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1251841342] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:56:12,618 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:56:12,618 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14] total 25 [2021-07-10 14:56:12,618 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780475888] [2021-07-10 14:56:12,618 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-07-10 14:56:12,618 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:56:12,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-07-10 14:56:12,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=527, Unknown=0, NotChecked=0, Total=650 [2021-07-10 14:56:12,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:56:12,620 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:56:12,620 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 2.0) internal successors, (52), 25 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 14:56:12,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:56:12,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:56:12,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:56:12,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:56:12,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:56:12,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:56:12,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:56:12,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:56:13,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:56:13,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:56:13,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:56:13,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:56:13,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:56:13,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:56:13,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:56:13,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-10 14:56:13,389 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:56:13,396 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-10 14:56:13,397 INFO L202 PluginConnector]: Adding new model dec-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.07 02:56:13 BasicIcfg [2021-07-10 14:56:13,397 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-10 14:56:13,398 INFO L168 Benchmark]: Toolchain (without parser) took 4274.74 ms. Allocated memory was 197.1 MB in the beginning and 261.1 MB in the end (delta: 64.0 MB). Free memory was 176.6 MB in the beginning and 226.4 MB in the end (delta: -49.8 MB). Peak memory consumption was 15.6 MB. Max. memory is 8.0 GB. [2021-07-10 14:56:13,398 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.10 ms. Allocated memory is still 197.1 MB. Free memory is still 177.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-10 14:56:13,398 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.52 ms. Allocated memory is still 197.1 MB. Free memory was 176.5 MB in the beginning and 175.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-10 14:56:13,398 INFO L168 Benchmark]: Boogie Preprocessor took 14.69 ms. Allocated memory is still 197.1 MB. Free memory was 175.0 MB in the beginning and 174.1 MB in the end (delta: 912.5 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-10 14:56:13,398 INFO L168 Benchmark]: RCFGBuilder took 231.17 ms. Allocated memory is still 197.1 MB. Free memory was 174.0 MB in the beginning and 161.1 MB in the end (delta: 13.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-07-10 14:56:13,398 INFO L168 Benchmark]: TraceAbstraction took 4005.32 ms. Allocated memory was 197.1 MB in the beginning and 261.1 MB in the end (delta: 64.0 MB). Free memory was 160.6 MB in the beginning and 226.4 MB in the end (delta: -65.8 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-07-10 14:56:13,398 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 0.10 ms. Allocated memory is still 197.1 MB. Free memory is still 177.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 19.52 ms. Allocated memory is still 197.1 MB. Free memory was 176.5 MB in the beginning and 175.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 14.69 ms. Allocated memory is still 197.1 MB. Free memory was 175.0 MB in the beginning and 174.1 MB in the end (delta: 912.5 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 231.17 ms. Allocated memory is still 197.1 MB. Free memory was 174.0 MB in the beginning and 161.1 MB in the end (delta: 13.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 4005.32 ms. Allocated memory was 197.1 MB in the beginning and 261.1 MB in the end (delta: 64.0 MB). Free memory was 160.6 MB in the beginning and 226.4 MB in the end (delta: -65.8 MB). There was no memory consumed. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1118, positive: 866, positive conditional: 593, positive unconditional: 273, negative: 252, negative conditional: 238, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 917, positive: 866, positive conditional: 593, positive unconditional: 273, negative: 51, negative conditional: 37, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 917, positive: 840, positive conditional: 0, positive unconditional: 840, negative: 77, negative conditional: 0, negative unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 181, positive: 176, positive conditional: 0, positive unconditional: 176, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 181, positive: 172, positive conditional: 0, positive unconditional: 172, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 9, positive conditional: 5, positive unconditional: 4, negative: 27, negative conditional: 22, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 142, positive: 59, positive conditional: 12, positive unconditional: 47, negative: 83, negative conditional: 63, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 917, positive: 664, positive conditional: 0, positive unconditional: 664, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 181, unknown conditional: 0, unknown unconditional: 181] , Statistics on independence cache: Total cache size (in pairs): 208, Positive cache size: 181, Positive conditional cache size: 5, Positive unconditional cache size: 176, Negative cache size: 27, Negative conditional cache size: 22, Negative unconditional cache size: 5, SemanticConditionEliminator.Independence Queries: [ total: 395, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 369, negative conditional: 128, negative unconditional: 241, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 395, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 369, negative conditional: 128, negative unconditional: 241, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 9, positive conditional: 5, positive unconditional: 4, negative: 27, negative conditional: 22, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 142, positive: 59, positive conditional: 12, positive unconditional: 47, negative: 83, negative conditional: 63, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 395, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 347, negative conditional: 106, negative unconditional: 241, unknown: 27, unknown conditional: 27, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 208, Positive cache size: 181, Positive conditional cache size: 5, Positive unconditional cache size: 176, Negative cache size: 27, Negative conditional cache size: 22, Negative unconditional cache size: 5, Eliminated conditions: 200, SemanticConditionEliminator.Independence Queries: [ total: 395, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 369, negative conditional: 128, negative unconditional: 241, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 395, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 369, negative conditional: 128, negative unconditional: 241, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 9, positive conditional: 5, positive unconditional: 4, negative: 27, negative conditional: 22, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 142, positive: 59, positive conditional: 12, positive unconditional: 47, negative: 83, negative conditional: 63, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 395, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 347, negative conditional: 106, negative unconditional: 241, unknown: 27, unknown conditional: 27, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 208, Positive cache size: 181, Positive conditional cache size: 5, Positive unconditional cache size: 176, Negative cache size: 27, Negative conditional cache size: 22, Negative unconditional cache size: 5, Eliminated conditions: 200, SemanticConditionEliminator.Independence Queries: [ total: 395, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 369, negative conditional: 128, negative unconditional: 241, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 395, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 369, negative conditional: 128, negative unconditional: 241, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 9, positive conditional: 5, positive unconditional: 4, negative: 27, negative conditional: 22, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 142, positive: 59, positive conditional: 12, positive unconditional: 47, negative: 83, negative conditional: 63, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 395, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 347, negative conditional: 106, negative unconditional: 241, unknown: 27, unknown conditional: 27, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 208, Positive cache size: 181, Positive conditional cache size: 5, Positive unconditional cache size: 176, Negative cache size: 27, Negative conditional cache size: 22, Negative unconditional cache size: 5, Eliminated conditions: 200, SemanticConditionEliminator.Independence Queries: [ total: 395, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 369, negative conditional: 128, negative unconditional: 241, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 395, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 369, negative conditional: 128, negative unconditional: 241, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 9, positive conditional: 5, positive unconditional: 4, negative: 27, negative conditional: 22, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 142, positive: 59, positive conditional: 12, positive unconditional: 47, negative: 83, negative conditional: 63, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 395, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 347, negative conditional: 106, negative unconditional: 241, unknown: 27, unknown conditional: 27, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 208, Positive cache size: 181, Positive conditional cache size: 5, Positive unconditional cache size: 176, Negative cache size: 27, Negative conditional cache size: 22, Negative unconditional cache size: 5, Eliminated conditions: 200, SemanticConditionEliminator.Independence Queries: [ total: 395, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 369, negative conditional: 128, negative unconditional: 241, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 395, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 369, negative conditional: 128, negative unconditional: 241, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 9, positive conditional: 5, positive unconditional: 4, negative: 27, negative conditional: 22, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 142, positive: 59, positive conditional: 12, positive unconditional: 47, negative: 83, negative conditional: 63, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 395, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 347, negative conditional: 106, negative unconditional: 241, unknown: 27, unknown conditional: 27, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 208, Positive cache size: 181, Positive conditional cache size: 5, Positive unconditional cache size: 176, Negative cache size: 27, Negative conditional cache size: 22, Negative unconditional cache size: 5, Eliminated conditions: 200, SemanticConditionEliminator.Independence Queries: [ total: 395, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 369, negative conditional: 128, negative unconditional: 241, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 395, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 369, negative conditional: 128, negative unconditional: 241, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 9, positive conditional: 5, positive unconditional: 4, negative: 27, negative conditional: 22, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 142, positive: 59, positive conditional: 12, positive unconditional: 47, negative: 83, negative conditional: 63, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 395, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 347, negative conditional: 106, negative unconditional: 241, unknown: 27, unknown conditional: 27, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 208, Positive cache size: 181, Positive conditional cache size: 5, Positive unconditional cache size: 176, Negative cache size: 27, Negative conditional cache size: 22, Negative unconditional cache size: 5, Eliminated conditions: 200, SemanticConditionEliminator.Independence Queries: [ total: 395, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 369, negative conditional: 128, negative unconditional: 241, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 395, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 369, negative conditional: 128, negative unconditional: 241, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 9, positive conditional: 5, positive unconditional: 4, negative: 27, negative conditional: 22, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 142, positive: 59, positive conditional: 12, positive unconditional: 47, negative: 83, negative conditional: 63, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 395, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 347, negative conditional: 106, negative unconditional: 241, unknown: 27, unknown conditional: 27, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 208, Positive cache size: 181, Positive conditional cache size: 5, Positive unconditional cache size: 176, Negative cache size: 27, Negative conditional cache size: 22, Negative unconditional cache size: 5, Eliminated conditions: 200, SemanticConditionEliminator.Independence Queries: [ total: 395, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 369, negative conditional: 128, negative unconditional: 241, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 395, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 369, negative conditional: 128, negative unconditional: 241, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 9, positive conditional: 5, positive unconditional: 4, negative: 27, negative conditional: 22, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 142, positive: 59, positive conditional: 12, positive unconditional: 47, negative: 83, negative conditional: 63, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 395, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 347, negative conditional: 106, negative unconditional: 241, unknown: 27, unknown conditional: 27, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 208, Positive cache size: 181, Positive conditional cache size: 5, Positive unconditional cache size: 176, Negative cache size: 27, Negative conditional cache size: 22, Negative unconditional cache size: 5, Eliminated conditions: 200 ], Maximal queried relation: 8, Independence queries for same thread: 201 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 99, Number of persistent set computation: 40, Number of trivial persistent sets: 27, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1118, positive: 866, positive conditional: 593, positive unconditional: 273, negative: 252, negative conditional: 238, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 917, positive: 866, positive conditional: 593, positive unconditional: 273, negative: 51, negative conditional: 37, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 917, positive: 840, positive conditional: 0, positive unconditional: 840, negative: 77, negative conditional: 0, negative unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 181, positive: 176, positive conditional: 0, positive unconditional: 176, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 181, positive: 172, positive conditional: 0, positive unconditional: 172, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 9, positive conditional: 5, positive unconditional: 4, negative: 27, negative conditional: 22, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 142, positive: 59, positive conditional: 12, positive unconditional: 47, negative: 83, negative conditional: 63, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 917, positive: 664, positive conditional: 0, positive unconditional: 664, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 181, unknown conditional: 0, unknown unconditional: 181] , Statistics on independence cache: Total cache size (in pairs): 208, Positive cache size: 181, Positive conditional cache size: 5, Positive unconditional cache size: 176, Negative cache size: 27, Negative conditional cache size: 22, Negative unconditional cache size: 5, SemanticConditionEliminator.Independence Queries: [ total: 395, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 369, negative conditional: 128, negative unconditional: 241, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 395, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 369, negative conditional: 128, negative unconditional: 241, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 9, positive conditional: 5, positive unconditional: 4, negative: 27, negative conditional: 22, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 142, positive: 59, positive conditional: 12, positive unconditional: 47, negative: 83, negative conditional: 63, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 395, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 347, negative conditional: 106, negative unconditional: 241, unknown: 27, unknown conditional: 27, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 208, Positive cache size: 181, Positive conditional cache size: 5, Positive unconditional cache size: 176, Negative cache size: 27, Negative conditional cache size: 22, Negative unconditional cache size: 5, Eliminated conditions: 200, SemanticConditionEliminator.Independence Queries: [ total: 395, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 369, negative conditional: 128, negative unconditional: 241, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 395, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 369, negative conditional: 128, negative unconditional: 241, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 9, positive conditional: 5, positive unconditional: 4, negative: 27, negative conditional: 22, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 142, positive: 59, positive conditional: 12, positive unconditional: 47, negative: 83, negative conditional: 63, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 395, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 347, negative conditional: 106, negative unconditional: 241, unknown: 27, unknown conditional: 27, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 208, Positive cache size: 181, Positive conditional cache size: 5, Positive unconditional cache size: 176, Negative cache size: 27, Negative conditional cache size: 22, Negative unconditional cache size: 5, Eliminated conditions: 200, SemanticConditionEliminator.Independence Queries: [ total: 395, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 369, negative conditional: 128, negative unconditional: 241, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 395, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 369, negative conditional: 128, negative unconditional: 241, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 9, positive conditional: 5, positive unconditional: 4, negative: 27, negative conditional: 22, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 142, positive: 59, positive conditional: 12, positive unconditional: 47, negative: 83, negative conditional: 63, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 395, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 347, negative conditional: 106, negative unconditional: 241, unknown: 27, unknown conditional: 27, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 208, Positive cache size: 181, Positive conditional cache size: 5, Positive unconditional cache size: 176, Negative cache size: 27, Negative conditional cache size: 22, Negative unconditional cache size: 5, Eliminated conditions: 200, SemanticConditionEliminator.Independence Queries: [ total: 395, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 369, negative conditional: 128, negative unconditional: 241, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 395, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 369, negative conditional: 128, negative unconditional: 241, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 9, positive conditional: 5, positive unconditional: 4, negative: 27, negative conditional: 22, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 142, positive: 59, positive conditional: 12, positive unconditional: 47, negative: 83, negative conditional: 63, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 395, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 347, negative conditional: 106, negative unconditional: 241, unknown: 27, unknown conditional: 27, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 208, Positive cache size: 181, Positive conditional cache size: 5, Positive unconditional cache size: 176, Negative cache size: 27, Negative conditional cache size: 22, Negative unconditional cache size: 5, Eliminated conditions: 200, SemanticConditionEliminator.Independence Queries: [ total: 395, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 369, negative conditional: 128, negative unconditional: 241, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 395, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 369, negative conditional: 128, negative unconditional: 241, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 9, positive conditional: 5, positive unconditional: 4, negative: 27, negative conditional: 22, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 142, positive: 59, positive conditional: 12, positive unconditional: 47, negative: 83, negative conditional: 63, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 395, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 347, negative conditional: 106, negative unconditional: 241, unknown: 27, unknown conditional: 27, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 208, Positive cache size: 181, Positive conditional cache size: 5, Positive unconditional cache size: 176, Negative cache size: 27, Negative conditional cache size: 22, Negative unconditional cache size: 5, Eliminated conditions: 200, SemanticConditionEliminator.Independence Queries: [ total: 395, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 369, negative conditional: 128, negative unconditional: 241, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 395, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 369, negative conditional: 128, negative unconditional: 241, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 9, positive conditional: 5, positive unconditional: 4, negative: 27, negative conditional: 22, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 142, positive: 59, positive conditional: 12, positive unconditional: 47, negative: 83, negative conditional: 63, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 395, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 347, negative conditional: 106, negative unconditional: 241, unknown: 27, unknown conditional: 27, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 208, Positive cache size: 181, Positive conditional cache size: 5, Positive unconditional cache size: 176, Negative cache size: 27, Negative conditional cache size: 22, Negative unconditional cache size: 5, Eliminated conditions: 200, SemanticConditionEliminator.Independence Queries: [ total: 395, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 369, negative conditional: 128, negative unconditional: 241, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 395, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 369, negative conditional: 128, negative unconditional: 241, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 9, positive conditional: 5, positive unconditional: 4, negative: 27, negative conditional: 22, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 142, positive: 59, positive conditional: 12, positive unconditional: 47, negative: 83, negative conditional: 63, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 395, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 347, negative conditional: 106, negative unconditional: 241, unknown: 27, unknown conditional: 27, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 208, Positive cache size: 181, Positive conditional cache size: 5, Positive unconditional cache size: 176, Negative cache size: 27, Negative conditional cache size: 22, Negative unconditional cache size: 5, Eliminated conditions: 200, SemanticConditionEliminator.Independence Queries: [ total: 395, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 369, negative conditional: 128, negative unconditional: 241, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 395, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 369, negative conditional: 128, negative unconditional: 241, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 9, positive conditional: 5, positive unconditional: 4, negative: 27, negative conditional: 22, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 142, positive: 59, positive conditional: 12, positive unconditional: 47, negative: 83, negative conditional: 63, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 395, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 347, negative conditional: 106, negative unconditional: 241, unknown: 27, unknown conditional: 27, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 208, Positive cache size: 181, Positive conditional cache size: 5, Positive unconditional cache size: 176, Negative cache size: 27, Negative conditional cache size: 22, Negative unconditional cache size: 5, Eliminated conditions: 200 ], Maximal queried relation: 8, Independence queries for same thread: 201 - 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, 41 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3905.3ms, OverallIterations: 8, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 14.5ms, PartialOrderReductionTime: 980.1ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 56, 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: 31.1ms SsaConstructionTime, 142.6ms SatisfiabilityAnalysisTime, 1378.3ms InterpolantComputationTime, 390 NumberOfCodeBlocks, 390 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 377 ConstructedInterpolants, 0 QuantifiedInterpolants, 1419 SizeOfPredicates, 16 NumberOfNonLiveVariables, 321 ConjunctsInSsa, 48 ConjunctsInUnsatCore, 13 InterpolantComputations, 6 PerfectInterpolantSequences, 200/243 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...